./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8 --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 b71d0221e52ad3170b58f60abcb38413b01772c1 ............................................................................................................................................ 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_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8 --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 b71d0221e52ad3170b58f60abcb38413b01772c1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:20:33,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:20:33,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:20:33,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:20:33,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:20:33,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:20:33,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:20:33,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:20:33,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:20:33,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:20:33,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:20:33,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:20:33,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:20:33,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:20:33,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:20:33,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:20:33,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:20:33,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:20:33,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:20:33,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:20:33,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:20:33,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:20:33,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:20:33,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:20:33,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:20:33,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:20:33,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:20:33,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:20:33,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:20:33,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:20:33,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:20:33,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:20:33,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:20:33,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:20:33,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:20:33,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:20:33,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:20:33,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:20:33,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:20:33,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:20:33,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:20:33,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:20:33,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:20:33,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:20:33,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:20:33,589 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:20:33,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:20:33,590 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:20:33,590 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:20:33,591 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:20:33,591 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:20:33,591 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:20:33,591 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:20:33,592 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:20:33,592 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:20:33,592 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:20:33,593 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:20:33,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:20:33,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:20:33,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:20:33,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:20:33,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:20:33,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:20:33,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:20:33,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:20:33,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:20:33,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:20:33,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:20:33,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:20:33,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:20:33,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:20:33,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:20:33,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:20:33,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:20:33,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:20:33,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:20:33,599 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:20:33,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:20:33,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:20:33,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:20:33,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:20:33,601 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_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71d0221e52ad3170b58f60abcb38413b01772c1 [2021-10-13 07:20:33,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:20:33,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:20:33,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:20:33,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:20:33,884 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:20:33,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-13 07:20:33,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/f1630d8e9/081e87b809944c119615f2f74442b568/FLAG2663e2eb5 [2021-10-13 07:20:34,549 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:20:34,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-13 07:20:34,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/f1630d8e9/081e87b809944c119615f2f74442b568/FLAG2663e2eb5 [2021-10-13 07:20:34,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/f1630d8e9/081e87b809944c119615f2f74442b568 [2021-10-13 07:20:34,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:20:34,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:20:34,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:34,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:20:34,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:20:34,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:34" (1/1) ... [2021-10-13 07:20:34,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a24e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:34, skipping insertion in model container [2021-10-13 07:20:34,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:34" (1/1) ... [2021-10-13 07:20:34,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:20:34,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:20:35,097 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_979ac41a-84ff-44b2-9801-6b1267b355bb/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-13 07:20:35,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:35,268 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) [2021-10-13 07:20:35,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b0af279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:35, skipping insertion in model container [2021-10-13 07:20:35,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:35,270 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:20:35,272 INFO L168 Benchmark]: Toolchain (without parser) took 449.37 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.0 MB in the beginning and 77.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:20:35,273 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 65.9 MB in the beginning and 65.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:20:35,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.62 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.7 MB in the beginning and 77.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:20:35,277 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 was 65.9 MB in the beginning and 65.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.62 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 48.7 MB in the beginning and 77.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 308]: 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-4e77c04 [2021-10-13 07:20:37,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:20:37,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:20:37,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:20:37,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:20:37,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:20:37,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:20:37,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:20:37,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:20:37,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:20:37,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:20:37,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:20:37,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:20:37,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:20:37,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:20:37,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:20:37,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:20:37,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:20:37,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:20:37,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:20:37,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:20:37,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:20:37,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:20:37,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:20:37,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:20:37,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:20:37,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:20:37,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:20:37,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:20:37,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:20:37,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:20:37,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:20:37,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:20:37,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:20:37,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:20:37,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:20:37,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:20:37,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:20:37,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:20:37,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:20:37,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:20:37,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:20:37,996 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:20:37,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:20:37,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:20:37,998 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:20:37,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:20:37,999 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:20:37,999 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:20:37,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:20:38,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:20:38,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:20:38,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:20:38,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:20:38,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:20:38,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:20:38,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:20:38,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:20:38,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:20:38,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:20:38,006 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:20:38,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:20:38,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:20:38,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:20:38,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:20:38,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:20:38,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:20:38,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:20:38,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:20:38,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:20:38,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:20:38,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:20:38,009 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:20:38,009 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:20:38,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:20:38,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:20:38,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:20:38,011 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_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71d0221e52ad3170b58f60abcb38413b01772c1 [2021-10-13 07:20:38,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:20:38,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:20:38,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:20:38,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:20:38,470 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:20:38,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-13 07:20:38,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/c0442de8a/34832887eca048d9a235eb2b55ad0943/FLAG379ca6b9c [2021-10-13 07:20:39,295 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:20:39,298 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-13 07:20:39,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/c0442de8a/34832887eca048d9a235eb2b55ad0943/FLAG379ca6b9c [2021-10-13 07:20:39,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/data/c0442de8a/34832887eca048d9a235eb2b55ad0943 [2021-10-13 07:20:39,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:20:39,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:20:39,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:39,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:20:39,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:20:39,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:39" (1/1) ... [2021-10-13 07:20:39,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6873fb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:39, skipping insertion in model container [2021-10-13 07:20:39,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:20:39" (1/1) ... [2021-10-13 07:20:39,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:20:39,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:20:39,824 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_979ac41a-84ff-44b2-9801-6b1267b355bb/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-13 07:20:40,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:40,083 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:20:40,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:20:40,112 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_979ac41a-84ff-44b2-9801-6b1267b355bb/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-13 07:20:40,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:40,227 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:20:40,252 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_979ac41a-84ff-44b2-9801-6b1267b355bb/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-13 07:20:40,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:20:40,352 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:20:40,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40 WrapperNode [2021-10-13 07:20:40,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:20:40,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:20:40,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:20:40,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:20:40,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:20:40,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:20:40,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:20:40,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:20:40,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:20:40,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:20:40,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:20:40,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:20:40,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (1/1) ... [2021-10-13 07:20:40,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:20:40,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:20:40,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:20:40,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:20:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:20:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:20:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:20:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:20:43,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:20:43,063 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-10-13 07:20:43,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:43 BoogieIcfgContainer [2021-10-13 07:20:43,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:20:43,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:20:43,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:20:43,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:20:43,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:20:39" (1/3) ... [2021-10-13 07:20:43,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3a6ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:43, skipping insertion in model container [2021-10-13 07:20:43,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:20:40" (2/3) ... [2021-10-13 07:20:43,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3a6ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:20:43, skipping insertion in model container [2021-10-13 07:20:43,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:43" (3/3) ... [2021-10-13 07:20:43,089 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-10-13 07:20:43,095 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:20:43,095 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:20:43,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:20:43,196 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, mConcurrency=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 [2021-10-13 07:20:43,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:20:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:20:43,246 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:43,246 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:20:43,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:43,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:43,254 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2021-10-13 07:20:43,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:43,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285751796] [2021-10-13 07:20:43,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:43,276 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:43,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:43,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:43,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:20:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:43,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:20:43,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:43,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:43,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:43,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285751796] [2021-10-13 07:20:43,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285751796] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:43,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:43,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:20:43,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697915518] [2021-10-13 07:20:43,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:20:43,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:43,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:20:43,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:20:43,872 INFO L87 Difference]: Start difference. First operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-13 07:20:43,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:43,929 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-13 07:20:43,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:20:43,931 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 [2021-10-13 07:20:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:43,942 INFO L225 Difference]: With dead ends: 171 [2021-10-13 07:20:43,942 INFO L226 Difference]: Without dead ends: 85 [2021-10-13 07:20:43,946 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 [2021-10-13 07:20:43,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-13 07:20:43,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-13 07:20:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 84 states have internal predecessors, (120), 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) [2021-10-13 07:20:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-13 07:20:44,010 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-13 07:20:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:44,011 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-13 07:20:44,011 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) [2021-10-13 07:20:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-13 07:20:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:20:44,012 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:44,012 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] [2021-10-13 07:20:44,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:20:44,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:44,218 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:44,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2021-10-13 07:20:44,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:44,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686923502] [2021-10-13 07:20:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:44,220 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:44,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:44,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:44,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:20:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:44,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:20:44,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:44,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:44,637 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:44,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686923502] [2021-10-13 07:20:44,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686923502] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:44,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:44,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:20:44,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908775886] [2021-10-13 07:20:44,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:20:44,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:44,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:20:44,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:20:44,643 INFO L87 Difference]: Start difference. First operand 85 states and 120 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) [2021-10-13 07:20:44,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:44,682 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-13 07:20:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:20:44,683 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 [2021-10-13 07:20:44,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:44,685 INFO L225 Difference]: With dead ends: 85 [2021-10-13 07:20:44,685 INFO L226 Difference]: Without dead ends: 40 [2021-10-13 07:20:44,687 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:20:44,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-13 07:20:44,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-13 07:20:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 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) [2021-10-13 07:20:44,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-13 07:20:44,706 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-13 07:20:44,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:44,706 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-13 07:20:44,706 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) [2021-10-13 07:20:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-13 07:20:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:20:44,708 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:44,708 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] [2021-10-13 07:20:44,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:44,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:44,909 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:44,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:44,910 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2021-10-13 07:20:44,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:44,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869073150] [2021-10-13 07:20:44,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:44,911 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:44,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:44,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:44,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:20:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:45,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:20:45,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:45,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:45,386 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:45,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869073150] [2021-10-13 07:20:45,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869073150] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:45,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:45,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:20:45,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266067773] [2021-10-13 07:20:45,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:20:45,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:45,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:20:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:20:45,391 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:45,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:45,469 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2021-10-13 07:20:45,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:20:45,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:20:45,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:45,471 INFO L225 Difference]: With dead ends: 132 [2021-10-13 07:20:45,472 INFO L226 Difference]: Without dead ends: 99 [2021-10-13 07:20:45,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:20:45,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-13 07:20:45,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2021-10-13 07:20:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 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) [2021-10-13 07:20:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2021-10-13 07:20:45,488 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2021-10-13 07:20:45,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:45,490 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2021-10-13 07:20:45,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2021-10-13 07:20:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 07:20:45,494 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:45,494 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:20:45,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:45,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:45,714 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:45,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:45,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2021-10-13 07:20:45,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:45,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526644762] [2021-10-13 07:20:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:45,716 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:45,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:45,717 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:45,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:20:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:45,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:20:45,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:46,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:46,105 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:46,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526644762] [2021-10-13 07:20:46,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526644762] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:46,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:46,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:20:46,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841756566] [2021-10-13 07:20:46,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:20:46,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:46,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:20:46,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:20:46,108 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:46,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:46,180 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2021-10-13 07:20:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:20:46,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-13 07:20:46,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:46,182 INFO L225 Difference]: With dead ends: 141 [2021-10-13 07:20:46,182 INFO L226 Difference]: Without dead ends: 86 [2021-10-13 07:20:46,182 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:20:46,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-13 07:20:46,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2021-10-13 07:20:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 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) [2021-10-13 07:20:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2021-10-13 07:20:46,194 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2021-10-13 07:20:46,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:46,195 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2021-10-13 07:20:46,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-10-13 07:20:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 07:20:46,196 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:46,196 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:20:46,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:46,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:46,409 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:46,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:46,410 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2021-10-13 07:20:46,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:46,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223348004] [2021-10-13 07:20:46,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:46,411 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:46,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:46,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:46,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:20:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:46,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:20:46,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:46,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:46,773 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:46,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223348004] [2021-10-13 07:20:46,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223348004] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:46,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:46,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:20:46,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593519549] [2021-10-13 07:20:46,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:20:46,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:46,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:20:46,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:20:46,776 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:46,948 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2021-10-13 07:20:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:20:46,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 07:20:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:46,951 INFO L225 Difference]: With dead ends: 273 [2021-10-13 07:20:46,951 INFO L226 Difference]: Without dead ends: 196 [2021-10-13 07:20:46,952 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 57.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:20:46,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-13 07:20:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2021-10-13 07:20:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 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) [2021-10-13 07:20:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2021-10-13 07:20:46,968 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2021-10-13 07:20:46,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:46,968 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2021-10-13 07:20:46,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2021-10-13 07:20:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:20:46,970 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:46,970 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] [2021-10-13 07:20:46,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:47,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:47,183 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:47,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:47,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2021-10-13 07:20:47,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:47,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225172203] [2021-10-13 07:20:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:47,185 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:47,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:47,186 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:47,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:20:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:47,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:20:47,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:47,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:47,632 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:47,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225172203] [2021-10-13 07:20:47,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225172203] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:47,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:47,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:20:47,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587994309] [2021-10-13 07:20:47,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:20:47,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:47,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:20:47,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:20:47,636 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:47,707 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2021-10-13 07:20:47,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:20:47,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 07:20:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:47,709 INFO L225 Difference]: With dead ends: 240 [2021-10-13 07:20:47,709 INFO L226 Difference]: Without dead ends: 165 [2021-10-13 07:20:47,710 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:20:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-13 07:20:47,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2021-10-13 07:20:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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) [2021-10-13 07:20:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-10-13 07:20:47,726 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2021-10-13 07:20:47,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:47,727 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-10-13 07:20:47,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-10-13 07:20:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:20:47,729 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:47,729 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] [2021-10-13 07:20:47,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:47,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:47,948 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:47,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:47,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2021-10-13 07:20:47,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:47,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499681086] [2021-10-13 07:20:47,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:47,949 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:47,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:47,953 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:20:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:48,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:20:48,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:48,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:48,393 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:48,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499681086] [2021-10-13 07:20:48,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499681086] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:48,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:48,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:20:48,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112487767] [2021-10-13 07:20:48,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:20:48,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:48,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:20:48,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:20:48,396 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:48,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:48,463 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2021-10-13 07:20:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:20:48,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 07:20:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:48,466 INFO L225 Difference]: With dead ends: 254 [2021-10-13 07:20:48,466 INFO L226 Difference]: Without dead ends: 176 [2021-10-13 07:20:48,467 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:20:48,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-10-13 07:20:48,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2021-10-13 07:20:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 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) [2021-10-13 07:20:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-10-13 07:20:48,485 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2021-10-13 07:20:48,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:48,485 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-10-13 07:20:48,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:20:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2021-10-13 07:20:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 07:20:48,487 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:48,487 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] [2021-10-13 07:20:48,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:48,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:48,702 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:48,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:48,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2021-10-13 07:20:48,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:48,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1369111089] [2021-10-13 07:20:48,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:48,705 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:48,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:48,706 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:48,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:20:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:48,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:20:48,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:49,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:49,204 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:49,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1369111089] [2021-10-13 07:20:49,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1369111089] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:49,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:49,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:20:49,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098855530] [2021-10-13 07:20:49,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:20:49,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:49,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:20:49,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:20:49,206 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-10-13 07:20:49,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:49,274 INFO L93 Difference]: Finished difference Result 289 states and 393 transitions. [2021-10-13 07:20:49,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:20:49,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 07:20:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:49,276 INFO L225 Difference]: With dead ends: 289 [2021-10-13 07:20:49,277 INFO L226 Difference]: Without dead ends: 209 [2021-10-13 07:20:49,279 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:20:49,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-10-13 07:20:49,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 158. [2021-10-13 07:20:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 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) [2021-10-13 07:20:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2021-10-13 07:20:49,316 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 33 [2021-10-13 07:20:49,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:49,317 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2021-10-13 07:20:49,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-10-13 07:20:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2021-10-13 07:20:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:20:49,327 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:49,328 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] [2021-10-13 07:20:49,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:49,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:49,529 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:49,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:49,530 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2021-10-13 07:20:49,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:49,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1491725247] [2021-10-13 07:20:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:49,536 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:49,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:49,537 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:49,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:20:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:49,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:20:49,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:50,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:50,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:50,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1491725247] [2021-10-13 07:20:50,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1491725247] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:20:50,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:20:50,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:20:50,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60456479] [2021-10-13 07:20:50,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:20:50,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:50,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:20:50,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:20:50,129 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) 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) [2021-10-13 07:20:51,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:51,903 INFO L93 Difference]: Finished difference Result 788 states and 1075 transitions. [2021-10-13 07:20:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:20:51,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) 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 [2021-10-13 07:20:51,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:51,909 INFO L225 Difference]: With dead ends: 788 [2021-10-13 07:20:51,909 INFO L226 Difference]: Without dead ends: 637 [2021-10-13 07:20:51,910 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 74.2ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:20:51,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-10-13 07:20:51,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 298. [2021-10-13 07:20:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 297 states have (on average 1.3367003367003367) internal successors, (397), 297 states have internal predecessors, (397), 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) [2021-10-13 07:20:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 397 transitions. [2021-10-13 07:20:51,980 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 397 transitions. Word has length 34 [2021-10-13 07:20:51,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:51,981 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 397 transitions. [2021-10-13 07:20:51,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) 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) [2021-10-13 07:20:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 397 transitions. [2021-10-13 07:20:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 07:20:51,982 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:51,983 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] [2021-10-13 07:20:52,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:52,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:20:52,197 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:52,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:52,198 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2021-10-13 07:20:52,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:52,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [537476754] [2021-10-13 07:20:52,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:52,199 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:52,200 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:52,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:20:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:52,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:20:52,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:52,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:52,794 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:52,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [537476754] [2021-10-13 07:20:52,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [537476754] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:20:52,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [609174502] [2021-10-13 07:20:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:52,795 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:20:52,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:20:52,802 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:20:52,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:20:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:53,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:20:53,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:53,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:53,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [609174502] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:20:53,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104611106] [2021-10-13 07:20:53,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:53,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:20:53,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:20:53,462 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:20:53,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 07:20:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:53,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:20:53,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:53,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:20:54,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104611106] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:20:54,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:20:54,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-10-13 07:20:54,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061872460] [2021-10-13 07:20:54,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:20:54,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:20:54,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:20:54,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:20:54,034 INFO L87 Difference]: Start difference. First operand 298 states and 397 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 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) [2021-10-13 07:20:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:20:58,102 INFO L93 Difference]: Finished difference Result 662 states and 889 transitions. [2021-10-13 07:20:58,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-13 07:20:58,102 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 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 51 [2021-10-13 07:20:58,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:20:58,104 INFO L225 Difference]: With dead ends: 662 [2021-10-13 07:20:58,105 INFO L226 Difference]: Without dead ends: 371 [2021-10-13 07:20:58,105 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 150.4ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-13 07:20:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-10-13 07:20:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 304. [2021-10-13 07:20:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2937293729372936) internal successors, (392), 303 states have internal predecessors, (392), 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) [2021-10-13 07:20:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 392 transitions. [2021-10-13 07:20:58,144 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 392 transitions. Word has length 51 [2021-10-13 07:20:58,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:20:58,144 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 392 transitions. [2021-10-13 07:20:58,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 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) [2021-10-13 07:20:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 392 transitions. [2021-10-13 07:20:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-13 07:20:58,147 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:20:58,148 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:20:58,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:58,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:58,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:20:58,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:20:58,762 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:20:58,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:20:58,762 INFO L82 PathProgramCache]: Analyzing trace with hash 486649266, now seen corresponding path program 1 times [2021-10-13 07:20:58,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:20:58,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421808410] [2021-10-13 07:20:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:58,763 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:20:58,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:20:58,764 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:20:58,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:20:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:20:59,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:20:59,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:20:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 07:20:59,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:20:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-13 07:20:59,764 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:20:59,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421808410] [2021-10-13 07:20:59,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421808410] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:20:59,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [818819448] [2021-10-13 07:20:59,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:20:59,764 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:20:59,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:20:59,768 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:20:59,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-13 07:21:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:00,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:21:00,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-13 07:21:00,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:00,646 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-13 07:21:00,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [818819448] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:00,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:21:00,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-10-13 07:21:00,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829250611] [2021-10-13 07:21:00,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:21:00,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:00,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:21:00,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:21:00,649 INFO L87 Difference]: Start difference. First operand 304 states and 392 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) 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) [2021-10-13 07:21:02,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:02,020 INFO L93 Difference]: Finished difference Result 609 states and 785 transitions. [2021-10-13 07:21:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:21:02,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) 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 93 [2021-10-13 07:21:02,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:02,023 INFO L225 Difference]: With dead ends: 609 [2021-10-13 07:21:02,024 INFO L226 Difference]: Without dead ends: 312 [2021-10-13 07:21:02,024 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 74.6ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:21:02,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-10-13 07:21:02,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2021-10-13 07:21:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2805280528052805) internal successors, (388), 303 states have internal predecessors, (388), 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) [2021-10-13 07:21:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 388 transitions. [2021-10-13 07:21:02,068 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 388 transitions. Word has length 93 [2021-10-13 07:21:02,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:02,068 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 388 transitions. [2021-10-13 07:21:02,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) 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) [2021-10-13 07:21:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 388 transitions. [2021-10-13 07:21:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-13 07:21:02,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:02,070 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:02,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-10-13 07:21:02,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:02,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:02,487 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:02,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1658849388, now seen corresponding path program 1 times [2021-10-13 07:21:02,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:02,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146701206] [2021-10-13 07:21:02,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:02,488 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:02,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:02,489 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:02,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 07:21:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:02,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:21:02,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-13 07:21:03,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-13 07:21:03,634 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:03,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146701206] [2021-10-13 07:21:03,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146701206] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:03,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1502095941] [2021-10-13 07:21:03,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:03,638 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:03,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:21:03,640 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:21:03,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-13 07:21:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:04,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:21:04,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 07:21:04,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:04,910 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 07:21:04,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1502095941] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:04,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338986484] [2021-10-13 07:21:04,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:04,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:21:04,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:21:04,913 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:21:04,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-13 07:21:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:05,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 07:21:05,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-13 07:21:05,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-13 07:21:06,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338986484] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 07:21:06,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-13 07:21:06,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 7, 7, 8] total 18 [2021-10-13 07:21:06,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058508495] [2021-10-13 07:21:06,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:21:06,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:06,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:21:06,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-10-13 07:21:06,129 INFO L87 Difference]: Start difference. First operand 304 states and 388 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-10-13 07:21:06,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:06,651 INFO L93 Difference]: Finished difference Result 1180 states and 1510 transitions. [2021-10-13 07:21:06,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 07:21:06,651 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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 108 [2021-10-13 07:21:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:06,657 INFO L225 Difference]: With dead ends: 1180 [2021-10-13 07:21:06,657 INFO L226 Difference]: Without dead ends: 883 [2021-10-13 07:21:06,659 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 421.8ms TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2021-10-13 07:21:06,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2021-10-13 07:21:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 528. [2021-10-13 07:21:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2941176470588236) internal successors, (682), 527 states have internal predecessors, (682), 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) [2021-10-13 07:21:06,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 682 transitions. [2021-10-13 07:21:06,742 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 682 transitions. Word has length 108 [2021-10-13 07:21:06,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:06,743 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 682 transitions. [2021-10-13 07:21:06,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-10-13 07:21:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 682 transitions. [2021-10-13 07:21:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-13 07:21:06,747 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:06,748 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:06,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:06,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:07,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2021-10-13 07:21:07,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:07,374 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:07,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:07,374 INFO L82 PathProgramCache]: Analyzing trace with hash 840796889, now seen corresponding path program 1 times [2021-10-13 07:21:07,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:07,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286515812] [2021-10-13 07:21:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:07,375 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:07,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:07,375 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:07,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-13 07:21:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:07,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:21:07,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-13 07:21:08,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-13 07:21:08,560 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:08,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286515812] [2021-10-13 07:21:08,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286515812] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:08,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:08,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:21:08,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212313512] [2021-10-13 07:21:08,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:21:08,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:08,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:21:08,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:21:08,563 INFO L87 Difference]: Start difference. First operand 528 states and 682 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:11,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:11,990 INFO L93 Difference]: Finished difference Result 1153 states and 1479 transitions. [2021-10-13 07:21:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:21:11,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-10-13 07:21:11,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:11,997 INFO L225 Difference]: With dead ends: 1153 [2021-10-13 07:21:11,997 INFO L226 Difference]: Without dead ends: 632 [2021-10-13 07:21:12,011 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 62.7ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:21:12,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-10-13 07:21:12,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 528. [2021-10-13 07:21:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2770398481973435) internal successors, (673), 527 states have internal predecessors, (673), 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) [2021-10-13 07:21:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 673 transitions. [2021-10-13 07:21:12,089 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 673 transitions. Word has length 110 [2021-10-13 07:21:12,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:12,089 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 673 transitions. [2021-10-13 07:21:12,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:12,090 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 673 transitions. [2021-10-13 07:21:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-13 07:21:12,092 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:12,092 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:12,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:12,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:12,309 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:12,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:12,309 INFO L82 PathProgramCache]: Analyzing trace with hash -433119222, now seen corresponding path program 1 times [2021-10-13 07:21:12,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:12,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1086698948] [2021-10-13 07:21:12,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:12,310 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:12,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:12,311 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:12,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 07:21:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:13,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:21:13,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 07:21:13,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-13 07:21:13,840 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:13,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1086698948] [2021-10-13 07:21:13,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1086698948] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:13,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [517698177] [2021-10-13 07:21:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:13,840 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:13,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:21:13,841 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:21:13,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-13 07:21:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:14,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:21:14,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 07:21:15,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 07:21:15,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [517698177] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:15,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915221222] [2021-10-13 07:21:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:15,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:21:15,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:21:15,495 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:21:15,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-13 07:21:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:16,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:21:16,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 07:21:16,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-13 07:21:16,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915221222] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:16,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:21:16,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7, 7, 7, 7] total 18 [2021-10-13 07:21:16,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637040189] [2021-10-13 07:21:16,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-13 07:21:16,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:16,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-13 07:21:16,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-10-13 07:21:16,853 INFO L87 Difference]: Start difference. First operand 528 states and 673 transitions. Second operand has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 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) [2021-10-13 07:21:23,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:23,786 INFO L93 Difference]: Finished difference Result 1096 states and 1398 transitions. [2021-10-13 07:21:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 07:21:23,787 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 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 111 [2021-10-13 07:21:23,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:23,788 INFO L225 Difference]: With dead ends: 1096 [2021-10-13 07:21:23,788 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:21:23,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 401.1ms TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2021-10-13 07:21:23,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:21:23,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:21:23,791 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) [2021-10-13 07:21:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:21:23,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2021-10-13 07:21:23,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:23,791 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:21:23,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 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) [2021-10-13 07:21:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:21:23,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:21:23,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:21:23,796 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:21:23,796 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:21:23,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:24,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:24,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:24,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:24,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:21:24,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:24,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:24,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:25,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:26,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:26,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:26,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:26,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:26,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:26,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:27,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:21:44,642 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-13 07:21:44,643 INFO L853 garLoopResultBuilder]: At program point L729-2(lines 729 743) the Hoare annotation is: false [2021-10-13 07:21:44,643 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:21:44,643 INFO L857 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2021-10-13 07:21:44,643 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-10-13 07:21:44,644 INFO L853 garLoopResultBuilder]: At program point L697-1(lines 1 958) the Hoare annotation is: (let ((.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse13 (not .cse15)) (.cse14 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse8 (or .cse13 .cse14)) (.cse10 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse11 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse12 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse8 .cse2 .cse9 .cse10 .cse5 .cse6 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse2 .cse14 .cse5 .cse11) (and .cse0 .cse1 .cse12 .cse2 .cse5 .cse15 .cse7) (and .cse0 .cse2 .cse9 .cse16) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse10 .cse5 .cse6 .cse11 .cse7) (and .cse0 .cse12 .cse2 .cse16) (and .cse0 .cse2 .cse3 .cse4 .cse16 .cse7) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse4 .cse9 .cse14 .cse5))))) [2021-10-13 07:21:44,644 INFO L853 garLoopResultBuilder]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse19 (= ~systemActive~0 (_ bv0 32))) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse9 (not .cse13)) (.cse10 (not .cse12)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse18 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse16 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse17 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not .cse19))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse11 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse12 .cse2 .cse3 .cse11 .cse6 .cse13 .cse7) (and .cse0 .cse2 .cse11 .cse14 .cse15 .cse6 .cse16) (and .cse0 .cse2 .cse4 .cse5 .cse14 .cse15 .cse6 .cse16 .cse8) (and .cse0 .cse17 .cse2 .cse15 .cse6 .cse16) (and .cse0 .cse17 .cse18 .cse19 .cse2 .cse16) (and .cse0 .cse18 .cse19 .cse2 .cse11 .cse16) (and .cse0 .cse18 .cse19 .cse2 .cse4 .cse5 .cse16 .cse8) (and .cse0 .cse1 .cse17 .cse2 .cse6)))) [2021-10-13 07:21:44,645 INFO L853 garLoopResultBuilder]: At program point L119-1(lines 119 125) the Hoare annotation is: false [2021-10-13 07:21:44,645 INFO L853 garLoopResultBuilder]: At program point L119-2(lines 119 125) the Hoare annotation is: false [2021-10-13 07:21:44,645 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 900) no Hoare annotation was computed. [2021-10-13 07:21:44,645 INFO L853 garLoopResultBuilder]: At program point L252(lines 237 255) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse6 .cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse5 .cse6 .cse7) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse6 .cse7))) [2021-10-13 07:21:44,645 INFO L853 garLoopResultBuilder]: At program point L252-1(lines 237 255) the Hoare annotation is: false [2021-10-13 07:21:44,646 INFO L853 garLoopResultBuilder]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2021-10-13 07:21:44,646 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 858) no Hoare annotation was computed. [2021-10-13 07:21:44,646 INFO L857 garLoopResultBuilder]: For program point L848-2(lines 848 858) no Hoare annotation was computed. [2021-10-13 07:21:44,646 INFO L857 garLoopResultBuilder]: For program point L848-4(lines 848 858) no Hoare annotation was computed. [2021-10-13 07:21:44,646 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 737) no Hoare annotation was computed. [2021-10-13 07:21:44,647 INFO L857 garLoopResultBuilder]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2021-10-13 07:21:44,647 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-13 07:21:44,647 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-10-13 07:21:44,647 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-10-13 07:21:44,648 INFO L853 garLoopResultBuilder]: At program point L833(lines 112 118) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse15 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 (not .cse10) .cse2 .cse3 .cse6 .cse7 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (and .cse0 .cse9 .cse11 .cse2 .cse12) (and .cse0 .cse11 .cse2 .cse13 .cse12) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse13 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse15 .cse6 .cse10 .cse7 .cse8) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse3 .cse5 .cse13 .cse15 .cse6 .cse7) (and .cse0 .cse11 .cse2 .cse4 .cse5 .cse12 .cse8))) [2021-10-13 07:21:44,648 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 112 118) the Hoare annotation is: false [2021-10-13 07:21:44,648 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 112 118) the Hoare annotation is: false [2021-10-13 07:21:44,648 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-10-13 07:21:44,648 INFO L857 garLoopResultBuilder]: For program point L949-1(lines 949 955) no Hoare annotation was computed. [2021-10-13 07:21:44,649 INFO L857 garLoopResultBuilder]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2021-10-13 07:21:44,649 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:21:44,649 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-10-13 07:21:44,649 INFO L853 garLoopResultBuilder]: At program point L669-1(lines 669 675) the Hoare annotation is: (let ((.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse20 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse11 (not .cse17)) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (not .cse13)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse8 .cse3 .cse11 .cse13 .cse6) (and .cse0 .cse3 .cse4 .cse14 .cse11 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse3 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse11 .cse5) (and .cse0 .cse7 .cse3 .cse18 .cse19 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse7 .cse20 .cse3 .cse19 .cse4 .cse10 .cse11) (and .cse0 .cse1 .cse20 .cse3 .cse19 .cse4 .cse5) (and .cse0 .cse3 .cse18 .cse19 .cse14 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse18 .cse19 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse9 .cse3 .cse12 .cse5)))) [2021-10-13 07:21:44,650 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-13 07:21:44,650 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:21:44,650 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 809) no Hoare annotation was computed. [2021-10-13 07:21:44,650 INFO L860 garLoopResultBuilder]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2021-10-13 07:21:44,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-13 07:21:44,651 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:21:44,651 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 704) no Hoare annotation was computed. [2021-10-13 07:21:44,651 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 161) no Hoare annotation was computed. [2021-10-13 07:21:44,651 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2021-10-13 07:21:44,652 INFO L857 garLoopResultBuilder]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2021-10-13 07:21:44,652 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2021-10-13 07:21:44,652 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 260 266) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)))) [2021-10-13 07:21:44,652 INFO L853 garLoopResultBuilder]: At program point L954(lines 945 958) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4 .cse5))) [2021-10-13 07:21:44,653 INFO L853 garLoopResultBuilder]: At program point L954-1(lines 945 958) the Hoare annotation is: false [2021-10-13 07:21:44,653 INFO L853 garLoopResultBuilder]: At program point L954-2(lines 945 958) the Hoare annotation is: false [2021-10-13 07:21:44,653 INFO L853 garLoopResultBuilder]: At program point L112(lines 108 130) the Hoare annotation is: (let ((.cse16 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse14 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not .cse17)) (.cse13 (not .cse14)) (.cse7 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse10 (not .cse16)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse15 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse3 .cse9 .cse10) (and .cse0 .cse1 .cse8 .cse11 .cse3 .cse4 .cse12) (and .cse0 .cse5 .cse13 .cse1 .cse7 .cse8 .cse11 .cse3 .cse9 .cse12) (and .cse0 .cse14 .cse15 .cse1 .cse4) (and .cse0 .cse15 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse16 .cse13 .cse1 .cse7 .cse2 .cse3 .cse17 .cse9) (and .cse0 .cse14 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse13 .cse1 .cse7 .cse2 .cse3 .cse9 .cse10) (and .cse0 .cse15 .cse1 .cse8 .cse11 .cse4 .cse12)))) [2021-10-13 07:21:44,653 INFO L853 garLoopResultBuilder]: At program point L112-1(lines 108 130) the Hoare annotation is: false [2021-10-13 07:21:44,654 INFO L853 garLoopResultBuilder]: At program point L112-2(lines 108 130) the Hoare annotation is: false [2021-10-13 07:21:44,654 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 876) no Hoare annotation was computed. [2021-10-13 07:21:44,654 INFO L857 garLoopResultBuilder]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2021-10-13 07:21:44,654 INFO L857 garLoopResultBuilder]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2021-10-13 07:21:44,654 INFO L853 garLoopResultBuilder]: At program point L823(lines 818 825) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:21:44,655 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 250) no Hoare annotation was computed. [2021-10-13 07:21:44,655 INFO L857 garLoopResultBuilder]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2021-10-13 07:21:44,655 INFO L857 garLoopResultBuilder]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2021-10-13 07:21:44,655 INFO L857 garLoopResultBuilder]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2021-10-13 07:21:44,655 INFO L857 garLoopResultBuilder]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2021-10-13 07:21:44,656 INFO L857 garLoopResultBuilder]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2021-10-13 07:21:44,656 INFO L853 garLoopResultBuilder]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse17 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse18 (not .cse17)) (.cse16 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse9 (or .cse18 .cse16)) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse8 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse2 .cse10 .cse11 .cse5 .cse6 .cse12 .cse7) (and .cse0 .cse13 .cse14 .cse2 .cse15) (and .cse0 .cse14 .cse2 .cse10 .cse15) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse16 .cse5 .cse17 .cse6 .cse7) (and .cse0 .cse1 .cse13 .cse18 .cse2 .cse16 .cse5 .cse6 .cse12) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse15 .cse7) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse4 .cse10 .cse16 .cse5 .cse6))))) [2021-10-13 07:21:44,656 INFO L853 garLoopResultBuilder]: At program point L709(lines 658 710) the Hoare annotation is: false [2021-10-13 07:21:44,657 INFO L853 garLoopResultBuilder]: At program point L197-1(lines 192 200) the Hoare annotation is: (let ((.cse15 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse12 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse14 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not .cse15)) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse12 .cse13 .cse6 .cse14 .cse8) (and .cse0 .cse9 .cse15 .cse10 .cse2 .cse11 .cse14 .cse8) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse12 .cse13 .cse6 .cse14 .cse8) (and .cse0 .cse9 .cse15 .cse2 .cse4 .cse5 .cse14 .cse8) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse11 .cse6 .cse7 .cse8)))) [2021-10-13 07:21:44,657 INFO L853 garLoopResultBuilder]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2021-10-13 07:21:44,657 INFO L853 garLoopResultBuilder]: At program point L197-3(lines 192 200) the Hoare annotation is: false [2021-10-13 07:21:44,657 INFO L853 garLoopResultBuilder]: At program point L197-4(lines 192 200) the Hoare annotation is: false [2021-10-13 07:21:44,657 INFO L853 garLoopResultBuilder]: At program point L197-5(lines 192 200) the Hoare annotation is: false [2021-10-13 07:21:44,658 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:21:44,658 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-13 07:21:44,658 INFO L857 garLoopResultBuilder]: For program point L660(lines 659 708) no Hoare annotation was computed. [2021-10-13 07:21:44,658 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 156) no Hoare annotation was computed. [2021-10-13 07:21:44,658 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2021-10-13 07:21:44,659 INFO L857 garLoopResultBuilder]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2021-10-13 07:21:44,659 INFO L853 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not .cse11)) (.cse15 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse7 .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse12 .cse6) (and .cse0 .cse13 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse10 .cse11 .cse2 .cse7 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse12 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse13 .cse2 .cse14 .cse7 .cse8 .cse4 .cse15) (and .cse0 .cse13 .cse1 .cse2 .cse14 .cse12 .cse4 .cse15) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse5 .cse6)))) [2021-10-13 07:21:44,659 INFO L853 garLoopResultBuilder]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2021-10-13 07:21:44,659 INFO L853 garLoopResultBuilder]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2021-10-13 07:21:44,660 INFO L857 garLoopResultBuilder]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-13 07:21:44,660 INFO L853 garLoopResultBuilder]: At program point L777(lines 773 779) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:21:44,660 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 958) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:21:44,660 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-13 07:21:44,660 INFO L857 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-10-13 07:21:44,661 INFO L857 garLoopResultBuilder]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-10-13 07:21:44,661 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2021-10-13 07:21:44,661 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 1 958) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse12 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse8 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse0 .cse2 .cse3 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse10 .cse2 .cse3 .cse4 .cse11 .cse8 .cse12 .cse6) (and .cse0 .cse10 .cse3 .cse13 .cse14 .cse11 .cse8 .cse12 .cse6) (and .cse0 .cse10 .cse2 .cse3 .cse8 .cse9 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5 .cse6) (and .cse0 .cse3 .cse13 .cse14 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse13 .cse14 .cse5 .cse6))) [2021-10-13 07:21:44,661 INFO L860 garLoopResultBuilder]: At program point L811(lines 792 814) the Hoare annotation is: true [2021-10-13 07:21:44,661 INFO L857 garLoopResultBuilder]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2021-10-13 07:21:44,662 INFO L853 garLoopResultBuilder]: At program point L844-3(lines 1 958) the Hoare annotation is: false [2021-10-13 07:21:44,662 INFO L857 garLoopResultBuilder]: For program point L844-4(lines 844 861) no Hoare annotation was computed. [2021-10-13 07:21:44,662 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-10-13 07:21:44,662 INFO L853 garLoopResultBuilder]: At program point L844-5(lines 1 958) the Hoare annotation is: false [2021-10-13 07:21:44,663 INFO L853 garLoopResultBuilder]: At program point L679-1(lines 679 685) the Hoare annotation is: (let ((.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse20 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse11 (not .cse17)) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (not .cse13)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse8 .cse3 .cse11 .cse13 .cse6) (and .cse0 .cse3 .cse4 .cse14 .cse11 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse3 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse11 .cse5) (and .cse0 .cse7 .cse3 .cse18 .cse19 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse7 .cse20 .cse3 .cse19 .cse4 .cse10 .cse11) (and .cse0 .cse1 .cse20 .cse3 .cse19 .cse4 .cse5) (and .cse0 .cse3 .cse18 .cse19 .cse14 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse18 .cse19 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse9 .cse3 .cse12 .cse5)))) [2021-10-13 07:21:44,668 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:21:44,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:21:44 BoogieIcfgContainer [2021-10-13 07:21:44,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:21:44,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:21:44,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:21:44,774 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:21:44,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:20:43" (3/4) ... [2021-10-13 07:21:44,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:21:44,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:21:44,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:21:44,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:21:44,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:21:44,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:21:44,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:21:44,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:21:44,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:21:44,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:21:44,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:21:44,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-13 07:21:44,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) [2021-10-13 07:21:44,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) [2021-10-13 07:21:44,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) [2021-10-13 07:21:44,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-13 07:21:44,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) [2021-10-13 07:21:44,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-13 07:21:44,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-13 07:21:44,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-13 07:21:44,858 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-13 07:21:44,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:21:44,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) [2021-10-13 07:21:44,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:21:44,944 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:21:44,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:21:44,947 INFO L168 Benchmark]: Toolchain (without parser) took 65398.89 ms. Allocated memory was 81.8 MB in the beginning and 272.6 MB in the end (delta: 190.8 MB). Free memory was 58.5 MB in the beginning and 116.9 MB in the end (delta: -58.3 MB). Peak memory consumption was 131.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:44,947 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:44,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.65 ms. Allocated memory is still 81.8 MB. Free memory was 58.4 MB in the beginning and 49.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:44,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.27 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 46.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:44,950 INFO L168 Benchmark]: Boogie Preprocessor took 45.98 ms. Allocated memory is still 81.8 MB. Free memory was 46.5 MB in the beginning and 44.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:44,950 INFO L168 Benchmark]: RCFGBuilder took 2564.34 ms. Allocated memory is still 81.8 MB. Free memory was 44.1 MB in the beginning and 44.6 MB in the end (delta: -443.3 kB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:44,951 INFO L168 Benchmark]: TraceAbstraction took 61705.05 ms. Allocated memory was 81.8 MB in the beginning and 272.6 MB in the end (delta: 190.8 MB). Free memory was 43.9 MB in the beginning and 124.2 MB in the end (delta: -80.3 MB). Peak memory consumption was 174.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:44,952 INFO L168 Benchmark]: Witness Printer took 171.60 ms. Allocated memory is still 272.6 MB. Free memory was 124.2 MB in the beginning and 116.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:44,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 50.3 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 802.65 ms. Allocated memory is still 81.8 MB. Free memory was 58.4 MB in the beginning and 49.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.27 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 46.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.98 ms. Allocated memory is still 81.8 MB. Free memory was 46.5 MB in the beginning and 44.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2564.34 ms. Allocated memory is still 81.8 MB. Free memory was 44.1 MB in the beginning and 44.6 MB in the end (delta: -443.3 kB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61705.05 ms. Allocated memory was 81.8 MB in the beginning and 272.6 MB in the end (delta: 190.8 MB). Free memory was 43.9 MB in the beginning and 124.2 MB in the end (delta: -80.3 MB). Peak memory consumption was 174.1 MB. Max. memory is 16.1 GB. * Witness Printer took 171.60 ms. Allocated memory is still 272.6 MB. Free memory was 124.2 MB in the beginning and 116.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 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: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 61485.0ms, OverallIterations: 14, TraceHistogramMax: 5, EmptinessCheckTime: 59.5ms, AutomataDifference: 18851.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 20224.5ms, InitialAbstractionConstructionTime: 20.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1337 SDtfs, 3004 SDslu, 3639 SDs, 0 SdLazy, 611 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16898.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2751 GetRequests, 2629 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1334.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=12, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 491.7ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1246 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 380 NumberOfFragments, 2747 HoareAnnotationTreeSize, 39 FomulaSimplifications, 1755553 FormulaSimplificationTreeSizeReduction, 3310.4ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 717443 FormulaSimplificationTreeSizeReductionInter, 16894.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 511.8ms SsaConstructionTime, 2377.1ms SatisfiabilityAnalysisTime, 8603.2ms InterpolantComputationTime, 1360 NumberOfCodeBlocks, 1360 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2678 ConstructedInterpolants, 0 QuantifiedInterpolants, 4858 SizeOfPredicates, 61 NumberOfNonLiveVariables, 5362 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 42 InterpolantComputations, 23 PerfectInterpolantSequences, 2650/2812 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: 818]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:21:45,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979ac41a-84ff-44b2-9801-6b1267b355bb/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...