./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan --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 bee6f831173327ce1f460fb3d7d046a57a66e8b4 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan --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 bee6f831173327ce1f460fb3d7d046a57a66e8b4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:59:30,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:30,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:30,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:30,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:30,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:30,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:30,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:30,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:30,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:30,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:30,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:30,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:30,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:30,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:30,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:30,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:30,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:30,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:30,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:30,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:30,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:30,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:30,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:30,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:30,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:30,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:30,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:30,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:30,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:30,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:30,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:30,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:30,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:30,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:30,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:30,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:30,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:30,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:30,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:30,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:30,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:30,632 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:30,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:30,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:30,634 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:30,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:30,634 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:30,634 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:30,635 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:30,635 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:30,635 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:30,635 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:30,635 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:30,636 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:30,636 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:30,636 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:30,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:30,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:30,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:30,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:30,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:30,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:30,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:30,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:30,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:30,638 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:30,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:30,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:30,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:30,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:30,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:30,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:30,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:30,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:30,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:30,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:30,641 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:30,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:30,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:30,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:30,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:30,642 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-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee6f831173327ce1f460fb3d7d046a57a66e8b4 [2020-11-22 12:59:30,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:30,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:30,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:30,908 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:30,909 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:30,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-11-22 12:59:30,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/53bff6e2d/0854b338570c40a595859ff366beff96/FLAG4d38a1469 [2020-11-22 12:59:31,476 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:31,477 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-11-22 12:59:31,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/53bff6e2d/0854b338570c40a595859ff366beff96/FLAG4d38a1469 [2020-11-22 12:59:31,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/53bff6e2d/0854b338570c40a595859ff366beff96 [2020-11-22 12:59:31,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:31,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:31,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:31,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:31,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:31,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a03c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:31, skipping insertion in model container [2020-11-22 12:59:31,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:31" (1/1) ... [2020-11-22 12:59:31,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:31,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:32,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:32,297 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) [2020-11-22 12:59:32,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2945ca1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:32, skipping insertion in model container [2020-11-22 12:59:32,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:32,298 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:32,300 INFO L168 Benchmark]: Toolchain (without parser) took 487.65 ms. Allocated memory is still 109.1 MB. Free memory was 79.6 MB in the beginning and 81.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:32,306 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 109.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:32,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.61 ms. Allocated memory is still 109.1 MB. Free memory was 79.3 MB in the beginning and 81.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:32,309 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 109.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.61 ms. Allocated memory is still 109.1 MB. Free memory was 79.3 MB in the beginning and 81.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 623]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:59:34,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:34,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:34,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:34,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:34,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:34,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:34,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:34,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:34,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:34,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:34,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:34,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:34,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:34,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:34,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:34,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:34,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:34,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:34,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:34,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:34,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:34,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:34,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:34,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:34,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:34,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:34,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:34,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:34,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:34,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:34,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:34,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:34,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:34,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:34,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:34,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:34,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:34,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:34,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:34,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:34,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:59:34,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:34,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:34,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:34,733 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:34,733 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:34,733 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:34,734 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:34,734 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:34,734 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:34,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:34,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:34,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:34,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:34,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:34,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:34,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:34,738 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:34,738 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:59:34,739 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:59:34,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:34,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:34,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:34,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:34,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:34,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:59:34,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:34,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:34,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:34,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:34,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:34,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:34,742 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:59:34,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:59:34,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:34,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:34,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:34,743 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-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee6f831173327ce1f460fb3d7d046a57a66e8b4 [2020-11-22 12:59:35,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:35,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:35,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:35,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:35,184 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:35,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-11-22 12:59:35,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/11b173d31/e6a3a57e9ac942bca798d50552a9b6db/FLAGa28aa0cb0 [2020-11-22 12:59:35,833 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:35,834 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2020-11-22 12:59:35,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/11b173d31/e6a3a57e9ac942bca798d50552a9b6db/FLAGa28aa0cb0 [2020-11-22 12:59:36,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/data/11b173d31/e6a3a57e9ac942bca798d50552a9b6db [2020-11-22 12:59:36,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:36,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:36,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:36,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:36,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:36,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:36,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e8d460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36, skipping insertion in model container [2020-11-22 12:59:36,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:36,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:36,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:36,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:36,602 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:59:36,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:36,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:36,749 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:59:36,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:36,911 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:59:36,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36 WrapperNode [2020-11-22 12:59:36,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:36,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:36,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:59:36,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:59:36,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:36,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:36,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:36,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:59:36,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:59:36,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:59:36,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:36,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:37,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:37,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:37,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:37,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:37,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... [2020-11-22 12:59:37,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:59:37,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:59:37,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:59:37,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:59:37,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:59:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:59:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:59:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:39,622 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:39,623 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-22 12:59:39,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:39 BoogieIcfgContainer [2020-11-22 12:59:39,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:39,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:39,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:39,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:39,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:59:36" (1/3) ... [2020-11-22 12:59:39,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393dbb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:39, skipping insertion in model container [2020-11-22 12:59:39,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:36" (2/3) ... [2020-11-22 12:59:39,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393dbb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:39, skipping insertion in model container [2020-11-22 12:59:39,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:39" (3/3) ... [2020-11-22 12:59:39,633 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-11-22 12:59:39,644 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:39,648 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:39,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:39,683 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:39,683 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:39,684 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:39,684 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:39,684 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:39,684 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:39,684 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:39,684 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-11-22 12:59:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:59:39,706 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:39,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:39,707 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:39,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:39,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1026093276, now seen corresponding path program 1 times [2020-11-22 12:59:39,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:39,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460041835] [2020-11-22 12:59:39,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:39,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:39,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:39,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:39,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460041835] [2020-11-22 12:59:39,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:39,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:39,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827394523] [2020-11-22 12:59:39,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:39,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:40,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:40,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:40,010 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-11-22 12:59:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:40,042 INFO L93 Difference]: Finished difference Result 230 states and 351 transitions. [2020-11-22 12:59:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:40,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:59:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:40,054 INFO L225 Difference]: With dead ends: 230 [2020-11-22 12:59:40,055 INFO L226 Difference]: Without dead ends: 113 [2020-11-22 12:59:40,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:40,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-22 12:59:40,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-22 12:59:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-22 12:59:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2020-11-22 12:59:40,102 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2020-11-22 12:59:40,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:40,103 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2020-11-22 12:59:40,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:40,103 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2020-11-22 12:59:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:59:40,104 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:40,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:40,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:40,325 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:40,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:40,326 INFO L82 PathProgramCache]: Analyzing trace with hash 172348003, now seen corresponding path program 1 times [2020-11-22 12:59:40,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:40,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25211088] [2020-11-22 12:59:40,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:40,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:40,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:40,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:40,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25211088] [2020-11-22 12:59:40,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:40,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:40,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969017389] [2020-11-22 12:59:40,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:40,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:40,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:40,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:40,582 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 4 states. [2020-11-22 12:59:40,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:40,617 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2020-11-22 12:59:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:40,618 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:59:40,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:40,620 INFO L225 Difference]: With dead ends: 113 [2020-11-22 12:59:40,620 INFO L226 Difference]: Without dead ends: 49 [2020-11-22 12:59:40,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:40,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-22 12:59:40,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-22 12:59:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-22 12:59:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-22 12:59:40,636 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-22 12:59:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:40,638 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-22 12:59:40,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-22 12:59:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:59:40,642 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:40,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:40,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:40,866 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:40,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:40,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2020-11-22 12:59:40,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:40,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003558087] [2020-11-22 12:59:40,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:41,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:41,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:41,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:41,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003558087] [2020-11-22 12:59:41,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:41,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:59:41,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51601554] [2020-11-22 12:59:41,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:41,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:41,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:41,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:41,072 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2020-11-22 12:59:41,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:41,136 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2020-11-22 12:59:41,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:59:41,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 12:59:41,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:41,138 INFO L225 Difference]: With dead ends: 157 [2020-11-22 12:59:41,138 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 12:59:41,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:41,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 12:59:41,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 69. [2020-11-22 12:59:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-22 12:59:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2020-11-22 12:59:41,164 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2020-11-22 12:59:41,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:41,164 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2020-11-22 12:59:41,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-11-22 12:59:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:59:41,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:41,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:41,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:41,388 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:41,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:41,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2020-11-22 12:59:41,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:41,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714955263] [2020-11-22 12:59:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:41,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:41,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:41,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:41,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714955263] [2020-11-22 12:59:41,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:41,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:41,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540851715] [2020-11-22 12:59:41,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:41,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:41,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:41,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:41,614 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand 3 states. [2020-11-22 12:59:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:41,668 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2020-11-22 12:59:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:41,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 12:59:41,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:41,670 INFO L225 Difference]: With dead ends: 153 [2020-11-22 12:59:41,670 INFO L226 Difference]: Without dead ends: 91 [2020-11-22 12:59:41,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:41,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-11-22 12:59:41,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2020-11-22 12:59:41,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-22 12:59:41,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2020-11-22 12:59:41,682 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2020-11-22 12:59:41,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:41,687 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2020-11-22 12:59:41,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-11-22 12:59:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 12:59:41,689 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:41,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:41,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:41,890 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:41,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2020-11-22 12:59:41,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:41,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266328432] [2020-11-22 12:59:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:42,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:42,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:42,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:42,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266328432] [2020-11-22 12:59:42,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:42,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:59:42,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50350813] [2020-11-22 12:59:42,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:42,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:42,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:42,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:42,140 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 5 states. [2020-11-22 12:59:42,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:42,293 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2020-11-22 12:59:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:59:42,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-22 12:59:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:42,298 INFO L225 Difference]: With dead ends: 420 [2020-11-22 12:59:42,300 INFO L226 Difference]: Without dead ends: 338 [2020-11-22 12:59:42,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:42,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-22 12:59:42,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2020-11-22 12:59:42,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-11-22 12:59:42,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2020-11-22 12:59:42,337 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2020-11-22 12:59:42,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:42,338 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2020-11-22 12:59:42,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2020-11-22 12:59:42,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-22 12:59:42,339 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:42,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:42,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:59:42,556 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:42,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:42,557 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2020-11-22 12:59:42,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:42,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159862525] [2020-11-22 12:59:42,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:42,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:42,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:42,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:42,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159862525] [2020-11-22 12:59:42,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:42,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:59:42,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849142981] [2020-11-22 12:59:42,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:42,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:42,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:42,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:42,859 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand 5 states. [2020-11-22 12:59:43,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:43,057 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2020-11-22 12:59:43,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:59:43,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-22 12:59:43,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:43,060 INFO L225 Difference]: With dead ends: 589 [2020-11-22 12:59:43,060 INFO L226 Difference]: Without dead ends: 436 [2020-11-22 12:59:43,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:43,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-11-22 12:59:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2020-11-22 12:59:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-22 12:59:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2020-11-22 12:59:43,091 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2020-11-22 12:59:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:43,091 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2020-11-22 12:59:43,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2020-11-22 12:59:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:59:43,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:43,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:43,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:59:43,312 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:43,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:43,312 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2020-11-22 12:59:43,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:43,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940272565] [2020-11-22 12:59:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:43,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:43,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:43,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:43,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940272565] [2020-11-22 12:59:43,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:43,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:59:43,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880276852] [2020-11-22 12:59:43,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:43,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:43,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:43,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:43,583 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand 5 states. [2020-11-22 12:59:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:43,707 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2020-11-22 12:59:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:59:43,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 12:59:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:43,710 INFO L225 Difference]: With dead ends: 471 [2020-11-22 12:59:43,710 INFO L226 Difference]: Without dead ends: 320 [2020-11-22 12:59:43,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:59:43,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-11-22 12:59:43,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2020-11-22 12:59:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-22 12:59:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2020-11-22 12:59:43,745 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2020-11-22 12:59:43,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:43,745 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2020-11-22 12:59:43,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2020-11-22 12:59:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:59:43,751 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:43,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:43,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 12:59:43,968 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:43,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:43,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2020-11-22 12:59:43,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:43,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404133085] [2020-11-22 12:59:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:44,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 12:59:44,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:44,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:44,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404133085] [2020-11-22 12:59:44,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:44,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 12:59:44,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655169896] [2020-11-22 12:59:44,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:59:44,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:44,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:59:44,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:59:44,237 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 6 states. [2020-11-22 12:59:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:44,341 INFO L93 Difference]: Finished difference Result 505 states and 687 transitions. [2020-11-22 12:59:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:44,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-22 12:59:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:44,343 INFO L225 Difference]: With dead ends: 505 [2020-11-22 12:59:44,344 INFO L226 Difference]: Without dead ends: 342 [2020-11-22 12:59:44,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:59:44,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-22 12:59:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 178. [2020-11-22 12:59:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-22 12:59:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2020-11-22 12:59:44,369 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2020-11-22 12:59:44,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:44,369 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2020-11-22 12:59:44,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:59:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2020-11-22 12:59:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:59:44,371 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:44,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:44,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 12:59:44,586 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:44,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:44,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2020-11-22 12:59:44,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:44,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886571209] [2020-11-22 12:59:44,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:44,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:44,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:44,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:44,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886571209] [2020-11-22 12:59:44,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:44,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:59:44,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009739335] [2020-11-22 12:59:44,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:44,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:44,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:44,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:44,799 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand 4 states. [2020-11-22 12:59:44,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:44,930 INFO L93 Difference]: Finished difference Result 580 states and 789 transitions. [2020-11-22 12:59:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:59:44,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-22 12:59:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:44,933 INFO L225 Difference]: With dead ends: 580 [2020-11-22 12:59:44,934 INFO L226 Difference]: Without dead ends: 409 [2020-11-22 12:59:44,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:44,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-22 12:59:44,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2020-11-22 12:59:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-11-22 12:59:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2020-11-22 12:59:44,984 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 33 [2020-11-22 12:59:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:44,984 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2020-11-22 12:59:44,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:44,984 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2020-11-22 12:59:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 12:59:44,986 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:44,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:45,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 12:59:45,207 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:45,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:45,208 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2020-11-22 12:59:45,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:45,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2084113092] [2020-11-22 12:59:45,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:45,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:45,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:45,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:45,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2084113092] [2020-11-22 12:59:45,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:45,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:59:45,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669447313] [2020-11-22 12:59:45,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:45,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:45,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:45,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:45,436 INFO L87 Difference]: Start difference. First operand 319 states and 428 transitions. Second operand 3 states. [2020-11-22 12:59:45,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:45,541 INFO L93 Difference]: Finished difference Result 519 states and 692 transitions. [2020-11-22 12:59:45,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:45,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-22 12:59:45,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:45,545 INFO L225 Difference]: With dead ends: 519 [2020-11-22 12:59:45,545 INFO L226 Difference]: Without dead ends: 517 [2020-11-22 12:59:45,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:45,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-11-22 12:59:45,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 388. [2020-11-22 12:59:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-11-22 12:59:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 530 transitions. [2020-11-22 12:59:45,612 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 530 transitions. Word has length 34 [2020-11-22 12:59:45,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:45,613 INFO L481 AbstractCegarLoop]: Abstraction has 388 states and 530 transitions. [2020-11-22 12:59:45,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 530 transitions. [2020-11-22 12:59:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-22 12:59:45,614 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:45,615 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:45,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 12:59:45,834 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:45,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:45,835 INFO L82 PathProgramCache]: Analyzing trace with hash -674961026, now seen corresponding path program 1 times [2020-11-22 12:59:45,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:45,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244994626] [2020-11-22 12:59:45,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:46,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:59:46,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:59:46,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:59:46,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244994626] [2020-11-22 12:59:46,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:46,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-22 12:59:46,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092358900] [2020-11-22 12:59:46,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 12:59:46,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:46,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 12:59:46,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:59:46,177 INFO L87 Difference]: Start difference. First operand 388 states and 530 transitions. Second operand 10 states. [2020-11-22 12:59:49,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:49,493 INFO L93 Difference]: Finished difference Result 1512 states and 2051 transitions. [2020-11-22 12:59:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-22 12:59:49,494 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-11-22 12:59:49,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:49,502 INFO L225 Difference]: With dead ends: 1512 [2020-11-22 12:59:49,503 INFO L226 Difference]: Without dead ends: 1131 [2020-11-22 12:59:49,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-11-22 12:59:49,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2020-11-22 12:59:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 321. [2020-11-22 12:59:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-11-22 12:59:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2020-11-22 12:59:49,563 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 56 [2020-11-22 12:59:49,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:49,564 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2020-11-22 12:59:49,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 12:59:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2020-11-22 12:59:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 12:59:49,565 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:49,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:49,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 12:59:49,783 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:49,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:49,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2044849291, now seen corresponding path program 1 times [2020-11-22 12:59:49,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:49,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31893868] [2020-11-22 12:59:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:49,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:49,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:50,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:50,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31893868] [2020-11-22 12:59:50,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:50,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:50,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200505644] [2020-11-22 12:59:50,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:50,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:50,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:50,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:50,035 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand 4 states. [2020-11-22 12:59:52,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:52,929 INFO L93 Difference]: Finished difference Result 619 states and 828 transitions. [2020-11-22 12:59:52,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:52,930 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-11-22 12:59:52,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:52,932 INFO L225 Difference]: With dead ends: 619 [2020-11-22 12:59:52,932 INFO L226 Difference]: Without dead ends: 305 [2020-11-22 12:59:52,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:52,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-22 12:59:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2020-11-22 12:59:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-11-22 12:59:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 386 transitions. [2020-11-22 12:59:52,986 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 386 transitions. Word has length 58 [2020-11-22 12:59:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:52,988 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 386 transitions. [2020-11-22 12:59:52,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 386 transitions. [2020-11-22 12:59:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-22 12:59:52,989 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:52,989 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:53,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-22 12:59:53,206 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:53,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1029521181, now seen corresponding path program 1 times [2020-11-22 12:59:53,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:53,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261066835] [2020-11-22 12:59:53,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:53,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:53,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-22 12:59:53,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-22 12:59:53,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261066835] [2020-11-22 12:59:53,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:53,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:59:53,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439299186] [2020-11-22 12:59:53,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:53,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:53,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:53,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:53,418 INFO L87 Difference]: Start difference. First operand 301 states and 386 transitions. Second operand 3 states. [2020-11-22 12:59:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:54,850 INFO L93 Difference]: Finished difference Result 587 states and 752 transitions. [2020-11-22 12:59:54,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:54,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-22 12:59:54,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:54,851 INFO L225 Difference]: With dead ends: 587 [2020-11-22 12:59:54,851 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:59:54,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:59:54,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:59:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:59:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:59:54,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-11-22 12:59:54,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:54,853 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:59:54,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:59:54,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:59:55,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-11-22 12:59:55,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:59:55,702 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 109 [2020-11-22 12:59:56,230 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 227 [2020-11-22 12:59:56,487 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 137 [2020-11-22 12:59:56,704 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 124 [2020-11-22 12:59:57,080 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 210 [2020-11-22 12:59:57,211 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 137 [2020-11-22 12:59:57,616 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 195 [2020-11-22 12:59:57,901 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 203 [2020-11-22 12:59:59,086 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 24 [2020-11-22 13:00:01,045 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 225 DAG size of output: 36 [2020-11-22 13:00:01,371 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2020-11-22 13:00:01,992 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2020-11-22 13:00:02,678 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 28 [2020-11-22 13:00:02,825 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2020-11-22 13:00:04,030 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 208 DAG size of output: 40 [2020-11-22 13:00:04,592 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2020-11-22 13:00:05,803 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 193 DAG size of output: 26 [2020-11-22 13:00:06,736 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 31 [2020-11-22 13:00:06,893 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2020-11-22 13:00:07,441 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 29 [2020-11-22 13:00:07,740 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2020-11-22 13:00:07,746 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:07,746 INFO L274 CegarLoopResult]: For program point L432(lines 432 449) no Hoare annotation was computed. [2020-11-22 13:00:07,746 INFO L274 CegarLoopResult]: For program point L432-1(lines 432 449) no Hoare annotation was computed. [2020-11-22 13:00:07,746 INFO L274 CegarLoopResult]: For program point L432-2(lines 432 449) no Hoare annotation was computed. [2020-11-22 13:00:07,746 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:00:07,746 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:00:07,746 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:00:07,746 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-11-22 13:00:07,748 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse3 (bvslt ~waterLevel~0 (_ bv2 32))))) [2020-11-22 13:00:07,748 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-11-22 13:00:07,748 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-11-22 13:00:07,748 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-11-22 13:00:07,748 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-11-22 13:00:07,748 INFO L274 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,748 INFO L274 CegarLoopResult]: For program point L534-2(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,748 INFO L274 CegarLoopResult]: For program point L534-3(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,748 INFO L274 CegarLoopResult]: For program point L534-5(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,748 INFO L274 CegarLoopResult]: For program point L534-6(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,748 INFO L274 CegarLoopResult]: For program point L270(lines 270 280) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L534-8(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L534-9(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L270 CegarLoopResult]: At program point L204(lines 200 206) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L270-2(lines 270 280) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L534-11(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L534-12(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L270-4(lines 270 280) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L534-14(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L534-15(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L534-17(lines 534 538) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L436(lines 436 444) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L436-1(lines 436 444) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L436-2(lines 436 444) no Hoare annotation was computed. [2020-11-22 13:00:07,749 INFO L274 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L271-2(lines 271 277) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L271-4(lines 271 277) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L338(lines 338 351) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L406(lines 406 423) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L406-1(lines 406 423) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L406-2(lines 406 423) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L406-3(lines 406 423) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L406-4(lines 406 423) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L274 CegarLoopResult]: For program point L406-5(lines 406 423) no Hoare annotation was computed. [2020-11-22 13:00:07,750 INFO L270 CegarLoopResult]: At program point L374(lines 373 392) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not .cse8)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse6) (and .cse3 .cse0 .cse1 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse3 .cse0 .cse7 .cse1 .cse8) (and .cse3 .cse0 .cse4 .cse7 .cse5) (and .cse3 .cse0 .cse1 .cse6) (and .cse0 .cse4 .cse5 .cse2)))) [2020-11-22 13:00:07,751 INFO L274 CegarLoopResult]: For program point L374-1(lines 374 380) no Hoare annotation was computed. [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L374-2(lines 373 392) the Hoare annotation is: false [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L374-3(lines 373 392) the Hoare annotation is: false [2020-11-22 13:00:07,751 INFO L277 CegarLoopResult]: At program point L242(lines 223 245) the Hoare annotation is: true [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L540(lines 525 543) the Hoare annotation is: false [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L540-1(lines 525 543) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32)))))) [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L540-2(lines 525 543) the Hoare annotation is: false [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L540-3(lines 525 543) the Hoare annotation is: false [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L540-4(lines 525 543) the Hoare annotation is: false [2020-11-22 13:00:07,751 INFO L270 CegarLoopResult]: At program point L540-5(lines 525 543) the Hoare annotation is: false [2020-11-22 13:00:07,751 INFO L274 CegarLoopResult]: For program point L309(lines 308 355) no Hoare annotation was computed. [2020-11-22 13:00:07,752 INFO L274 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-11-22 13:00:07,752 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-22 13:00:07,752 INFO L270 CegarLoopResult]: At program point L476(lines 469 479) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2020-11-22 13:00:07,752 INFO L270 CegarLoopResult]: At program point L476-1(lines 469 479) the Hoare annotation is: false [2020-11-22 13:00:07,752 INFO L274 CegarLoopResult]: For program point L410(lines 410 418) no Hoare annotation was computed. [2020-11-22 13:00:07,752 INFO L270 CegarLoopResult]: At program point L476-2(lines 469 479) the Hoare annotation is: false [2020-11-22 13:00:07,752 INFO L274 CegarLoopResult]: For program point L410-1(lines 410 418) no Hoare annotation was computed. [2020-11-22 13:00:07,752 INFO L274 CegarLoopResult]: For program point L344(lines 344 350) no Hoare annotation was computed. [2020-11-22 13:00:07,752 INFO L274 CegarLoopResult]: For program point L410-2(lines 410 418) no Hoare annotation was computed. [2020-11-22 13:00:07,752 INFO L270 CegarLoopResult]: At program point L344-1(lines 374 380) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not .cse6)) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse7 .cse5 .cse6) (and .cse1 .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3) (and .cse1 .cse2 .cse5 .cse8 .cse4) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse8)))) [2020-11-22 13:00:07,752 INFO L274 CegarLoopResult]: For program point L410-3(lines 410 418) no Hoare annotation was computed. [2020-11-22 13:00:07,753 INFO L274 CegarLoopResult]: For program point L410-4(lines 410 418) no Hoare annotation was computed. [2020-11-22 13:00:07,753 INFO L274 CegarLoopResult]: For program point L410-5(lines 410 418) no Hoare annotation was computed. [2020-11-22 13:00:07,753 INFO L270 CegarLoopResult]: At program point L381(lines 381 387) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse3 .cse0 .cse1) (and .cse0 .cse4 .cse5 .cse2))) [2020-11-22 13:00:07,753 INFO L270 CegarLoopResult]: At program point L381-1(lines 381 387) the Hoare annotation is: false [2020-11-22 13:00:07,753 INFO L270 CegarLoopResult]: At program point L381-2(lines 381 387) the Hoare annotation is: false [2020-11-22 13:00:07,753 INFO L274 CegarLoopResult]: For program point L548(lines 548 554) no Hoare annotation was computed. [2020-11-22 13:00:07,753 INFO L270 CegarLoopResult]: At program point L548-1(lines 548 554) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (and .cse2 .cse0 .cse1 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse2 .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse2 .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2020-11-22 13:00:07,753 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:00:07,753 INFO L270 CegarLoopResult]: At program point L582(lines 1 959) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:07,753 INFO L274 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-11-22 13:00:07,754 INFO L270 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse6 .cse4) (and .cse1 .cse5 .cse8 .cse9 .cse7 .cse6 .cse4))) [2020-11-22 13:00:07,754 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-22 13:00:07,754 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-22 13:00:07,754 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-22 13:00:07,754 INFO L270 CegarLoopResult]: At program point L485(lines 480 488) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse0 .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 (= (_ bv0 32) ~pumpRunning~0)))) [2020-11-22 13:00:07,754 INFO L270 CegarLoopResult]: At program point L485-1(lines 480 488) the Hoare annotation is: false [2020-11-22 13:00:07,754 INFO L270 CegarLoopResult]: At program point L485-2(lines 480 488) the Hoare annotation is: false [2020-11-22 13:00:07,754 INFO L270 CegarLoopResult]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2020-11-22 13:00:07,754 INFO L270 CegarLoopResult]: At program point L255(lines 250 257) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:07,754 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-22 13:00:07,754 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:00:07,755 INFO L270 CegarLoopResult]: At program point L356(lines 307 357) the Hoare annotation is: false [2020-11-22 13:00:07,755 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2020-11-22 13:00:07,755 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse0 .cse1 .cse3 .cse5) (and .cse1 .cse2 .cse6 .cse4 .cse7) (and .cse1 .cse6 .cse5 .cse7))) [2020-11-22 13:00:07,755 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-11-22 13:00:07,755 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-11-22 13:00:07,755 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-11-22 13:00:07,755 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-11-22 13:00:07,755 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-11-22 13:00:07,755 INFO L274 CegarLoopResult]: For program point L159-1(lines 374 380) no Hoare annotation was computed. [2020-11-22 13:00:07,755 INFO L274 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2020-11-22 13:00:07,755 INFO L274 CegarLoopResult]: For program point L292-1(line 292) no Hoare annotation was computed. [2020-11-22 13:00:07,755 INFO L274 CegarLoopResult]: For program point L292-2(line 292) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L270 CegarLoopResult]: At program point L590(lines 585 593) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L270 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse6) (and .cse1 .cse5 .cse6 .cse4))) [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-11-22 13:00:07,756 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-11-22 13:00:07,757 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-22 13:00:07,757 INFO L274 CegarLoopResult]: For program point L266(lines 266 283) no Hoare annotation was computed. [2020-11-22 13:00:07,757 INFO L274 CegarLoopResult]: For program point L233(lines 233 240) no Hoare annotation was computed. [2020-11-22 13:00:07,757 INFO L270 CegarLoopResult]: At program point L266-1(lines 1 959) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse7) (and .cse1 .cse8 .cse9 .cse3 .cse6 .cse4) (and .cse1 .cse5 .cse8 .cse9 .cse7 .cse6 .cse4))) [2020-11-22 13:00:07,757 INFO L274 CegarLoopResult]: For program point L266-2(lines 266 283) no Hoare annotation was computed. [2020-11-22 13:00:07,757 INFO L277 CegarLoopResult]: At program point L233-1(lines 233 240) the Hoare annotation is: true [2020-11-22 13:00:07,757 INFO L270 CegarLoopResult]: At program point L266-3(lines 1 959) the Hoare annotation is: false [2020-11-22 13:00:07,757 INFO L274 CegarLoopResult]: For program point L266-4(lines 266 283) no Hoare annotation was computed. [2020-11-22 13:00:07,757 INFO L270 CegarLoopResult]: At program point L266-5(lines 1 959) the Hoare annotation is: false [2020-11-22 13:00:07,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:00:07 BoogieIcfgContainer [2020-11-22 13:00:07,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:00:07,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:00:07,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:00:07,828 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:00:07,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:39" (3/4) ... [2020-11-22 13:00:07,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:00:07,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:00:07,858 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:00:07,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:00:07,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:00:07,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:00:07,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:00:07,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:00:07,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) [2020-11-22 13:00:07,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) [2020-11-22 13:00:07,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) [2020-11-22 13:00:07,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:00:07,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:00:07,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2020-11-22 13:00:07,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:00:07,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:00:07,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:00:07,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32)) [2020-11-22 13:00:07,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) [2020-11-22 13:00:07,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) [2020-11-22 13:00:07,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6d9b8daf-ad3e-4e1e-9f0a-e7b05b3d12a7/bin/utaipan/witness.graphml [2020-11-22 13:00:07,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:00:07,965 INFO L168 Benchmark]: Toolchain (without parser) took 31805.13 ms. Allocated memory was 54.5 MB in the beginning and 207.6 MB in the end (delta: 153.1 MB). Free memory was 31.8 MB in the beginning and 93.1 MB in the end (delta: -61.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:07,965 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:07,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.18 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 31.6 MB in the beginning and 46.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:07,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.96 ms. Allocated memory is still 79.7 MB. Free memory was 46.4 MB in the beginning and 42.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:07,966 INFO L168 Benchmark]: Boogie Preprocessor took 81.00 ms. Allocated memory is still 79.7 MB. Free memory was 42.8 MB in the beginning and 40.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:07,967 INFO L168 Benchmark]: RCFGBuilder took 2562.24 ms. Allocated memory is still 79.7 MB. Free memory was 40.1 MB in the beginning and 51.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:07,967 INFO L168 Benchmark]: TraceAbstraction took 28197.15 ms. Allocated memory was 79.7 MB in the beginning and 207.6 MB in the end (delta: 127.9 MB). Free memory was 51.2 MB in the beginning and 102.5 MB in the end (delta: -51.3 MB). Peak memory consumption was 118.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:07,968 INFO L168 Benchmark]: Witness Printer took 139.26 ms. Allocated memory is still 207.6 MB. Free memory was 102.5 MB in the beginning and 93.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:07,970 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 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 738.18 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 31.6 MB in the beginning and 46.4 MB in the end (delta: -14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.96 ms. Allocated memory is still 79.7 MB. Free memory was 46.4 MB in the beginning and 42.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.00 ms. Allocated memory is still 79.7 MB. Free memory was 42.8 MB in the beginning and 40.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2562.24 ms. Allocated memory is still 79.7 MB. Free memory was 40.1 MB in the beginning and 51.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28197.15 ms. Allocated memory was 79.7 MB in the beginning and 207.6 MB in the end (delta: 127.9 MB). Free memory was 51.2 MB in the beginning and 102.5 MB in the end (delta: -51.3 MB). Peak memory consumption was 118.1 MB. Max. memory is 16.1 GB. * Witness Printer took 139.26 ms. Allocated memory is still 207.6 MB. Free memory was 102.5 MB in the beginning and 93.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == tmp) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1294 SDtfs, 1581 SDslu, 2757 SDs, 0 SdLazy, 306 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 904 GetRequests, 850 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1851 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 164 NumberOfFragments, 1044 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1250369 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 45 FomulaSimplificationsInter, 698230 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 70189 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2802 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 130/130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...