./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.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_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 43d840a4952877093d97c8e90564eb1be31dea0c ............................................................................................................................................ 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_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 43d840a4952877093d97c8e90564eb1be31dea0c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:04:01,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:01,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:01,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:01,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:01,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:01,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:01,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:01,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:01,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:01,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:01,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:01,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:01,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:01,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:01,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:01,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:01,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:01,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:01,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:01,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:01,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:01,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:01,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:01,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:01,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:01,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:01,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:01,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:01,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:01,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:01,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:01,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:01,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:01,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:01,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:01,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:01,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:01,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:01,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:01,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:01,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:04:01,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:01,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:01,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:01,704 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:01,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:01,704 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:01,705 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:01,705 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:01,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:01,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:01,706 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:01,706 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:01,706 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:01,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:01,707 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:01,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:01,708 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:01,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:01,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:01,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:01,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:01,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:01,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:01,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:01,709 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:01,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:01,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:01,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:01,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:01,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:01,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:01,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:01,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:01,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:01,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:01,712 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:01,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:01,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:01,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:01,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:01,713 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_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2020-11-22 13:04:01,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:02,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:02,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:02,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:02,007 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:02,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-11-22 13:04:02,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/98468f56f/38d01b58035e477e8c368042397843b0/FLAGc43781113 [2020-11-22 13:04:02,592 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:02,592 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-11-22 13:04:02,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/98468f56f/38d01b58035e477e8c368042397843b0/FLAGc43781113 [2020-11-22 13:04:02,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/98468f56f/38d01b58035e477e8c368042397843b0 [2020-11-22 13:04:02,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:02,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:02,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:02,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:02,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:02,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:02" (1/1) ... [2020-11-22 13:04:02,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685f0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:02, skipping insertion in model container [2020-11-22 13:04:02,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:02" (1/1) ... [2020-11-22 13:04:02,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:02,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:03,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:03,311 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 13:04:03,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b039767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:03, skipping insertion in model container [2020-11-22 13:04:03,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:03,312 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:04:03,314 INFO L168 Benchmark]: Toolchain (without parser) took 389.81 ms. Allocated memory is still 92.3 MB. Free memory was 54.5 MB in the beginning and 65.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,315 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:03,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.44 ms. Allocated memory is still 92.3 MB. Free memory was 54.3 MB in the beginning and 65.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:03,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 71.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 384.44 ms. Allocated memory is still 92.3 MB. Free memory was 54.3 MB in the beginning and 65.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 561]: 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 13:04:05,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:05,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:05,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:05,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:05,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:05,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:05,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:05,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:05,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:05,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:05,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:05,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:05,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:05,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:05,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:05,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:05,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:05,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:05,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:05,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:05,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:05,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:05,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:05,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:05,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:05,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:05,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:05,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:05,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:05,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:05,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:05,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:05,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:05,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:05,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:05,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:05,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:05,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:05,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:05,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:05,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:04:05,751 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:05,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:05,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:05,754 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:05,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:05,755 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:05,755 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:05,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:05,756 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:05,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:05,758 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:05,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:05,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:05,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:05,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:05,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:05,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:05,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:04:05,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:04:05,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:05,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:05,761 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:05,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:05,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:05,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:04:05,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:05,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:05,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:05,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:05,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:05,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:05,763 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:04:05,763 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:04:05,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:05,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:05,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:05,764 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_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2020-11-22 13:04:06,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:06,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:06,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:06,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:06,206 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:06,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-11-22 13:04:06,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/71c9001e9/3a121b7000e94276bc05686c29e81786/FLAG25e6aee29 [2020-11-22 13:04:06,863 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:06,864 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-11-22 13:04:06,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/71c9001e9/3a121b7000e94276bc05686c29e81786/FLAG25e6aee29 [2020-11-22 13:04:07,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/data/71c9001e9/3a121b7000e94276bc05686c29e81786 [2020-11-22 13:04:07,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:07,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:07,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:07,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:07,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:07,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f7b6d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07, skipping insertion in model container [2020-11-22 13:04:07,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:07,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:07,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:07,533 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:04:07,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:07,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:07,635 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:04:07,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:07,754 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:04:07,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07 WrapperNode [2020-11-22 13:04:07,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:07,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:07,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:04:07,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:04:07,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:07,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:04:07,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:04:07,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:04:07,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:07,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:08,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... [2020-11-22 13:04:08,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:04:08,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:04:08,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:04:08,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:04:08,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:04:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:04:08,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:04:08,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:04:11,070 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:04:11,073 INFO L298 CfgBuilder]: Removed 286 assume(true) statements. [2020-11-22 13:04:11,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:11 BoogieIcfgContainer [2020-11-22 13:04:11,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:04:11,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:04:11,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:04:11,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:04:11,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:04:07" (1/3) ... [2020-11-22 13:04:11,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a3acae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:11, skipping insertion in model container [2020-11-22 13:04:11,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:07" (2/3) ... [2020-11-22 13:04:11,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a3acae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:11, skipping insertion in model container [2020-11-22 13:04:11,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:11" (3/3) ... [2020-11-22 13:04:11,093 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2020-11-22 13:04:11,103 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:04:11,121 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:04:11,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:04:11,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:04:11,191 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:04:11,191 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:04:11,191 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:04:11,192 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:04:11,192 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:04:11,192 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:04:11,192 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:04:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-11-22 13:04:11,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:04:11,228 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:11,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:11,229 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:11,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:11,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1505234651, now seen corresponding path program 1 times [2020-11-22 13:04:11,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:11,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887396605] [2020-11-22 13:04:11,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:11,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:04:11,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:11,525 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 13:04:11,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:11,534 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 13:04:11,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887396605] [2020-11-22 13:04:11,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:11,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:04:11,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692676470] [2020-11-22 13:04:11,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:04:11,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:11,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:04:11,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:04:11,556 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2020-11-22 13:04:11,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:11,622 INFO L93 Difference]: Finished difference Result 379 states and 578 transitions. [2020-11-22 13:04:11,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:04:11,624 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:04:11,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:11,647 INFO L225 Difference]: With dead ends: 379 [2020-11-22 13:04:11,647 INFO L226 Difference]: Without dead ends: 187 [2020-11-22 13:04:11,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 13:04:11,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-11-22 13:04:11,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-11-22 13:04:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-11-22 13:04:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-11-22 13:04:11,726 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-11-22 13:04:11,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:11,727 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-11-22 13:04:11,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:04:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-11-22 13:04:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:04:11,729 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:11,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:11,942 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:04:11,942 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:11,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:11,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1742975748, now seen corresponding path program 1 times [2020-11-22 13:04:11,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:11,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508497788] [2020-11-22 13:04:11,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:12,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:12,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:12,163 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 13:04:12,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:12,179 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 13:04:12,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508497788] [2020-11-22 13:04:12,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:12,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:04:12,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076906074] [2020-11-22 13:04:12,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:12,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:12,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:12,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:12,182 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 4 states. [2020-11-22 13:04:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:12,205 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-11-22 13:04:12,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:12,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:04:12,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:12,207 INFO L225 Difference]: With dead ends: 187 [2020-11-22 13:04:12,211 INFO L226 Difference]: Without dead ends: 73 [2020-11-22 13:04:12,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 13:04:12,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-22 13:04:12,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-22 13:04:12,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-22 13:04:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-11-22 13:04:12,223 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-11-22 13:04:12,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:12,225 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-11-22 13:04:12,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-11-22 13:04:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:04:12,227 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:12,227 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] [2020-11-22 13:04:12,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:04:12,440 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:12,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:12,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2020-11-22 13:04:12,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:12,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576412597] [2020-11-22 13:04:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:12,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:12,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:12,645 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 13:04:12,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:12,659 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 13:04:12,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576412597] [2020-11-22 13:04:12,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:12,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:04:12,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721999935] [2020-11-22 13:04:12,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:12,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:12,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:12,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:12,662 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 4 states. [2020-11-22 13:04:12,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:12,702 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2020-11-22 13:04:12,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:04:12,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:04:12,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:12,705 INFO L225 Difference]: With dead ends: 230 [2020-11-22 13:04:12,705 INFO L226 Difference]: Without dead ends: 163 [2020-11-22 13:04:12,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 13:04:12,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-22 13:04:12,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2020-11-22 13:04:12,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-22 13:04:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2020-11-22 13:04:12,718 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2020-11-22 13:04:12,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:12,718 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2020-11-22 13:04:12,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:12,719 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2020-11-22 13:04:12,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:04:12,720 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:12,720 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] [2020-11-22 13:04:12,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:04:12,935 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:12,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:12,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2020-11-22 13:04:12,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:12,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34351006] [2020-11-22 13:04:12,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:13,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:13,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:13,150 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 13:04:13,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:13,153 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 13:04:13,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34351006] [2020-11-22 13:04:13,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:13,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:04:13,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282912255] [2020-11-22 13:04:13,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:13,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:13,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:13,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:13,156 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2020-11-22 13:04:13,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:13,264 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2020-11-22 13:04:13,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:13,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-22 13:04:13,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:13,266 INFO L225 Difference]: With dead ends: 187 [2020-11-22 13:04:13,266 INFO L226 Difference]: Without dead ends: 101 [2020-11-22 13:04:13,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 13:04:13,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-22 13:04:13,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-11-22 13:04:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-22 13:04:13,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2020-11-22 13:04:13,289 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2020-11-22 13:04:13,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:13,289 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2020-11-22 13:04:13,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2020-11-22 13:04:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:04:13,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:13,295 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] [2020-11-22 13:04:13,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:04:13,513 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:13,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:13,513 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2020-11-22 13:04:13,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:13,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755384978] [2020-11-22 13:04:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:13,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:13,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:13,742 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 13:04:13,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:13,815 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 13:04:13,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755384978] [2020-11-22 13:04:13,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:13,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 13:04:13,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896136594] [2020-11-22 13:04:13,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:04:13,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:13,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:04:13,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:04:13,817 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 8 states. [2020-11-22 13:04:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:14,287 INFO L93 Difference]: Finished difference Result 736 states and 1074 transitions. [2020-11-22 13:04:14,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 13:04:14,287 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-22 13:04:14,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:14,291 INFO L225 Difference]: With dead ends: 736 [2020-11-22 13:04:14,292 INFO L226 Difference]: Without dead ends: 643 [2020-11-22 13:04:14,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 13:04:14,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-11-22 13:04:14,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 241. [2020-11-22 13:04:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-11-22 13:04:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2020-11-22 13:04:14,360 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 25 [2020-11-22 13:04:14,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:14,360 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2020-11-22 13:04:14,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:04:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2020-11-22 13:04:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-22 13:04:14,365 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:14,365 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] [2020-11-22 13:04:14,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:04:14,578 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:14,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:14,579 INFO L82 PathProgramCache]: Analyzing trace with hash -2100121622, now seen corresponding path program 1 times [2020-11-22 13:04:14,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:14,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692999580] [2020-11-22 13:04:14,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:14,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:04:14,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:14,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:14,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:14,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692999580] [2020-11-22 13:04:14,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1905926663] [2020-11-22 13:04:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:04:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:15,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:15,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 13:04:15,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 13:04:15,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:04:15,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 3] total 10 [2020-11-22 13:04:15,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704393406] [2020-11-22 13:04:15,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:04:15,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:15,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:04:15,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:04:15,189 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand 5 states. [2020-11-22 13:04:15,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:15,500 INFO L93 Difference]: Finished difference Result 585 states and 830 transitions. [2020-11-22 13:04:15,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 13:04:15,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-11-22 13:04:15,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:15,505 INFO L225 Difference]: With dead ends: 585 [2020-11-22 13:04:15,505 INFO L226 Difference]: Without dead ends: 583 [2020-11-22 13:04:15,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-11-22 13:04:15,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2020-11-22 13:04:15,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 241. [2020-11-22 13:04:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-11-22 13:04:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 335 transitions. [2020-11-22 13:04:15,538 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 335 transitions. Word has length 40 [2020-11-22 13:04:15,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:15,538 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 335 transitions. [2020-11-22 13:04:15,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:04:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2020-11-22 13:04:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-22 13:04:15,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:15,541 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-22 13:04:15,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:04:15,957 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:15,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:15,958 INFO L82 PathProgramCache]: Analyzing trace with hash -353947524, now seen corresponding path program 1 times [2020-11-22 13:04:15,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:15,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221780930] [2020-11-22 13:04:15,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:16,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:04:16,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:16,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:16,275 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:16,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [221780930] [2020-11-22 13:04:16,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1678395533] [2020-11-22 13:04:16,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:04:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:16,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:04:16,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:16,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:16,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 13:04:16,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 3] total 8 [2020-11-22 13:04:16,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831587444] [2020-11-22 13:04:16,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:16,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:16,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:16,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:04:16,535 INFO L87 Difference]: Start difference. First operand 241 states and 335 transitions. Second operand 3 states. [2020-11-22 13:04:16,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:16,693 INFO L93 Difference]: Finished difference Result 482 states and 670 transitions. [2020-11-22 13:04:16,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:16,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-11-22 13:04:16,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:16,697 INFO L225 Difference]: With dead ends: 482 [2020-11-22 13:04:16,697 INFO L226 Difference]: Without dead ends: 183 [2020-11-22 13:04:16,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:04:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-11-22 13:04:16,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2020-11-22 13:04:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-11-22 13:04:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 248 transitions. [2020-11-22 13:04:16,719 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 248 transitions. Word has length 49 [2020-11-22 13:04:16,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:16,721 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 248 transitions. [2020-11-22 13:04:16,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 248 transitions. [2020-11-22 13:04:16,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-22 13:04:16,723 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:16,724 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] [2020-11-22 13:04:17,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:04:17,141 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:17,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:17,158 INFO L82 PathProgramCache]: Analyzing trace with hash 149013357, now seen corresponding path program 1 times [2020-11-22 13:04:17,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:17,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692412953] [2020-11-22 13:04:17,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:17,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:17,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-22 13:04:17,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-22 13:04:17,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692412953] [2020-11-22 13:04:17,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:17,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:04:17,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406089426] [2020-11-22 13:04:17,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:04:17,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:17,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:04:17,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:04:17,408 INFO L87 Difference]: Start difference. First operand 183 states and 248 transitions. Second operand 5 states. [2020-11-22 13:04:17,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:17,543 INFO L93 Difference]: Finished difference Result 491 states and 656 transitions. [2020-11-22 13:04:17,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:04:17,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-11-22 13:04:17,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:17,545 INFO L225 Difference]: With dead ends: 491 [2020-11-22 13:04:17,545 INFO L226 Difference]: Without dead ends: 314 [2020-11-22 13:04:17,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 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 13:04:17,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-11-22 13:04:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 204. [2020-11-22 13:04:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-22 13:04:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 269 transitions. [2020-11-22 13:04:17,584 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 269 transitions. Word has length 54 [2020-11-22 13:04:17,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:17,584 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 269 transitions. [2020-11-22 13:04:17,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:04:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 269 transitions. [2020-11-22 13:04:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-22 13:04:17,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:17,586 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] [2020-11-22 13:04:17,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 13:04:17,803 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:17,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:17,803 INFO L82 PathProgramCache]: Analyzing trace with hash -316400211, now seen corresponding path program 1 times [2020-11-22 13:04:17,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:17,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966041827] [2020-11-22 13:04:17,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:18,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:04:18,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-22 13:04:18,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-22 13:04:18,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966041827] [2020-11-22 13:04:18,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:18,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:04:18,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534820173] [2020-11-22 13:04:18,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:04:18,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:18,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:04:18,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:04:18,073 INFO L87 Difference]: Start difference. First operand 204 states and 269 transitions. Second operand 6 states. [2020-11-22 13:04:18,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:18,196 INFO L93 Difference]: Finished difference Result 474 states and 620 transitions. [2020-11-22 13:04:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:04:18,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-11-22 13:04:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:18,199 INFO L225 Difference]: With dead ends: 474 [2020-11-22 13:04:18,199 INFO L226 Difference]: Without dead ends: 276 [2020-11-22 13:04:18,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 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 13:04:18,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-11-22 13:04:18,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 182. [2020-11-22 13:04:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-22 13:04:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 234 transitions. [2020-11-22 13:04:18,240 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 234 transitions. Word has length 54 [2020-11-22 13:04:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:18,243 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 234 transitions. [2020-11-22 13:04:18,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:04:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 234 transitions. [2020-11-22 13:04:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-22 13:04:18,244 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:18,245 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-11-22 13:04:18,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 13:04:18,458 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:18,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:18,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1311509310, now seen corresponding path program 1 times [2020-11-22 13:04:18,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:18,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548839928] [2020-11-22 13:04:18,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/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 13:04:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:18,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:04:18,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:04:18,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:18,711 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 13:04:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:04:18,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548839928] [2020-11-22 13:04:18,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [529852286] [2020-11-22 13:04:18,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 13:04:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:18,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-22 13:04:18,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:04:19,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:04:19,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60025167] [2020-11-22 13:04:19,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 13:04:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:19,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:04:19,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:19,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:04:19,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:04:19,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 13:04:19,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2020-11-22 13:04:19,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723529473] [2020-11-22 13:04:19,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-22 13:04:19,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:19,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-22 13:04:19,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-22 13:04:19,268 INFO L87 Difference]: Start difference. First operand 182 states and 234 transitions. Second operand 12 states. [2020-11-22 13:04:22,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:22,528 INFO L93 Difference]: Finished difference Result 2291 states and 2991 transitions. [2020-11-22 13:04:22,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-22 13:04:22,529 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-11-22 13:04:22,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:22,541 INFO L225 Difference]: With dead ends: 2291 [2020-11-22 13:04:22,541 INFO L226 Difference]: Without dead ends: 2140 [2020-11-22 13:04:22,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2044 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2020-11-22 13:04:22,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-11-22 13:04:22,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 324. [2020-11-22 13:04:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-11-22 13:04:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 422 transitions. [2020-11-22 13:04:22,601 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 422 transitions. Word has length 57 [2020-11-22 13:04:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:22,602 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 422 transitions. [2020-11-22 13:04:22,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-22 13:04:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 422 transitions. [2020-11-22 13:04:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-22 13:04:22,603 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:22,603 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:23,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 13:04:23,221 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:23,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:23,221 INFO L82 PathProgramCache]: Analyzing trace with hash -862912084, now seen corresponding path program 1 times [2020-11-22 13:04:23,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:23,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993803734] [2020-11-22 13:04:23,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-11-22 13:04:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:23,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:04:23,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-22 13:04:23,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-22 13:04:23,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993803734] [2020-11-22 13:04:23,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:23,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:04:23,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063633328] [2020-11-22 13:04:23,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:04:23,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:23,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:04:23,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:04:23,476 INFO L87 Difference]: Start difference. First operand 324 states and 422 transitions. Second operand 8 states. [2020-11-22 13:04:23,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:23,586 INFO L93 Difference]: Finished difference Result 519 states and 661 transitions. [2020-11-22 13:04:23,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:04:23,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2020-11-22 13:04:23,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:23,591 INFO L225 Difference]: With dead ends: 519 [2020-11-22 13:04:23,591 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:04:23,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:04:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:04:23,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:04:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:04:23,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:04:23,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-11-22 13:04:23,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:23,592 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:04:23,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:04:23,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:04:23,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:04:23,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-11-22 13:04:23,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:04:24,080 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2020-11-22 13:04:24,312 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 128 [2020-11-22 13:04:24,486 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 122 [2020-11-22 13:04:24,695 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 120 [2020-11-22 13:04:24,925 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 120 [2020-11-22 13:04:25,044 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-11-22 13:04:25,210 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 120 [2020-11-22 13:04:25,957 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 23 [2020-11-22 13:04:26,939 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 38 [2020-11-22 13:04:27,811 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 29 [2020-11-22 13:04:27,967 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 18 [2020-11-22 13:04:28,073 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-11-22 13:04:28,880 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2020-11-22 13:04:29,222 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2020-11-22 13:04:29,390 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2020-11-22 13:04:30,055 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2020-11-22 13:04:30,682 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 30 [2020-11-22 13:04:31,390 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2020-11-22 13:04:31,498 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 18 [2020-11-22 13:04:31,623 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-11-22 13:04:32,120 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 28 [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:32,246 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L270 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv0 32))) [2020-11-22 13:04:32,247 INFO L270 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2020-11-22 13:04:32,247 INFO L270 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,247 INFO L274 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,248 INFO L274 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,248 INFO L274 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,248 INFO L270 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1)) (and .cse0 .cse3 .cse4)))) [2020-11-22 13:04:32,248 INFO L274 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,248 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-22 13:04:32,248 INFO L270 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-11-22 13:04:32,248 INFO L274 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,248 INFO L270 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-11-22 13:04:32,248 INFO L274 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,248 INFO L270 CegarLoopResult]: At program point L997(lines 992 1000) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2020-11-22 13:04:32,248 INFO L274 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,248 INFO L270 CegarLoopResult]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2020-11-22 13:04:32,248 INFO L274 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,249 INFO L270 CegarLoopResult]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2020-11-22 13:04:32,249 INFO L270 CegarLoopResult]: At program point L997-3(lines 992 1000) the Hoare annotation is: false [2020-11-22 13:04:32,249 INFO L274 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,249 INFO L270 CegarLoopResult]: At program point L997-4(lines 992 1000) the Hoare annotation is: false [2020-11-22 13:04:32,249 INFO L274 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,249 INFO L270 CegarLoopResult]: At program point L997-5(lines 992 1000) the Hoare annotation is: false [2020-11-22 13:04:32,249 INFO L274 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2020-11-22 13:04:32,249 INFO L274 CegarLoopResult]: For program point L372(lines 372 385) no Hoare annotation was computed. [2020-11-22 13:04:32,249 INFO L270 CegarLoopResult]: At program point L372-1(lines 1 1000) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse2 .cse3)))) [2020-11-22 13:04:32,249 INFO L274 CegarLoopResult]: For program point L372-2(lines 372 385) no Hoare annotation was computed. [2020-11-22 13:04:32,249 INFO L270 CegarLoopResult]: At program point L372-3(lines 1 1000) the Hoare annotation is: false [2020-11-22 13:04:32,249 INFO L274 CegarLoopResult]: For program point L372-4(lines 372 385) no Hoare annotation was computed. [2020-11-22 13:04:32,249 INFO L270 CegarLoopResult]: At program point L372-5(lines 1 1000) the Hoare annotation is: false [2020-11-22 13:04:32,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:32,250 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-22 13:04:32,250 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-22 13:04:32,250 INFO L270 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:04:32,250 INFO L270 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2020-11-22 13:04:32,250 INFO L270 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2020-11-22 13:04:32,250 INFO L270 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2020-11-22 13:04:32,250 INFO L270 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2020-11-22 13:04:32,250 INFO L270 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2020-11-22 13:04:32,250 INFO L274 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L270 CegarLoopResult]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse2 .cse3)))) [2020-11-22 13:04:32,251 INFO L270 CegarLoopResult]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2020-11-22 13:04:32,251 INFO L270 CegarLoopResult]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L274 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2020-11-22 13:04:32,251 INFO L270 CegarLoopResult]: At program point L942(lines 937 945) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2020-11-22 13:04:32,252 INFO L270 CegarLoopResult]: At program point L942-1(lines 937 945) the Hoare annotation is: false [2020-11-22 13:04:32,252 INFO L270 CegarLoopResult]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2020-11-22 13:04:32,252 INFO L270 CegarLoopResult]: At program point L415(lines 1 1000) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:04:32,252 INFO L270 CegarLoopResult]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:04:32,252 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,252 INFO L274 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,253 INFO L274 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L452-1(lines 131 137) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L519(lines 519 526) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L277 CegarLoopResult]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-11-22 13:04:32,254 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-6(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-7(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-8(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-9(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-10(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,255 INFO L274 CegarLoopResult]: For program point L982-11(lines 982 988) no Hoare annotation was computed. [2020-11-22 13:04:32,256 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:04:32,256 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-22 13:04:32,256 INFO L274 CegarLoopResult]: For program point L917(lines 917 921) no Hoare annotation was computed. [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))))) [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,256 INFO L270 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,257 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L423(lines 418 426) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:04:32,257 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2020-11-22 13:04:32,257 INFO L274 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-11-22 13:04:32,257 INFO L270 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2020-11-22 13:04:32,260 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-11-22 13:04:32,261 INFO L274 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-11-22 13:04:32,261 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2020-11-22 13:04:32,261 INFO L274 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2020-11-22 13:04:32,261 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:04:32,261 INFO L274 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2020-11-22 13:04:32,261 INFO L270 CegarLoopResult]: At program point L987(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,262 INFO L270 CegarLoopResult]: At program point L987-1(lines 978 991) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2020-11-22 13:04:32,262 INFO L270 CegarLoopResult]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,262 INFO L270 CegarLoopResult]: At program point L987-3(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2020-11-22 13:04:32,262 INFO L270 CegarLoopResult]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,262 INFO L270 CegarLoopResult]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,262 INFO L270 CegarLoopResult]: At program point L987-6(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,262 INFO L270 CegarLoopResult]: At program point L987-7(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,263 INFO L270 CegarLoopResult]: At program point L987-8(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,263 INFO L270 CegarLoopResult]: At program point L987-9(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,263 INFO L270 CegarLoopResult]: At program point L987-10(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,263 INFO L270 CegarLoopResult]: At program point L987-11(lines 978 991) the Hoare annotation is: false [2020-11-22 13:04:32,263 INFO L274 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,263 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,263 INFO L274 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,264 INFO L274 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2020-11-22 13:04:32,265 INFO L270 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-22 13:04:32,265 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-11-22 13:04:32,265 INFO L270 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-11-22 13:04:32,265 INFO L270 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-11-22 13:04:32,265 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:04:32,266 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:04:32,266 INFO L277 CegarLoopResult]: At program point L528(lines 509 531) the Hoare annotation is: true [2020-11-22 13:04:32,266 INFO L270 CegarLoopResult]: At program point L496(lines 492 498) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:04:32,266 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-22 13:04:32,266 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-22 13:04:32,266 INFO L274 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,266 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,267 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,267 INFO L274 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,267 INFO L274 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,267 INFO L274 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-11-22 13:04:32,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:04:32 BoogieIcfgContainer [2020-11-22 13:04:32,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:04:32,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:04:32,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:04:32,314 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:04:32,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:11" (3/4) ... [2020-11-22 13:04:32,318 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:04:32,346 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:04:32,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:04:32,350 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:04:32,352 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:04:32,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:04:32,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:32,358 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:04:32,383 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 13:04:32,383 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 13:04:32,383 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 13:04:32,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 13:04:32,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 13:04:32,384 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 13:04:32,385 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 13:04:32,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2020-11-22 13:04:32,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2020-11-22 13:04:32,387 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 [2020-11-22 13:04:32,388 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2020-11-22 13:04:32,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2020-11-22 13:04:32,390 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && !(tmp == 0bv32) [2020-11-22 13:04:32,391 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32) [2020-11-22 13:04:32,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-22 13:04:32,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32) [2020-11-22 13:04:32,498 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d9e6bf14-8b7a-49c7-add5-d62a213faeac/bin/utaipan/witness.graphml [2020-11-22 13:04:32,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:04:32,500 INFO L168 Benchmark]: Toolchain (without parser) took 25351.05 ms. Allocated memory was 75.5 MB in the beginning and 186.6 MB in the end (delta: 111.1 MB). Free memory was 57.3 MB in the beginning and 126.7 MB in the end (delta: -69.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:32,500 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:32,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.20 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 43.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:32,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.33 ms. Allocated memory is still 75.5 MB. Free memory was 43.2 MB in the beginning and 38.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:32,501 INFO L168 Benchmark]: Boogie Preprocessor took 112.41 ms. Allocated memory is still 75.5 MB. Free memory was 38.3 MB in the beginning and 34.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:32,501 INFO L168 Benchmark]: RCFGBuilder took 3067.82 ms. Allocated memory was 75.5 MB in the beginning and 104.9 MB in the end (delta: 29.4 MB). Free memory was 34.7 MB in the beginning and 59.2 MB in the end (delta: -24.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:32,502 INFO L168 Benchmark]: TraceAbstraction took 21231.33 ms. Allocated memory was 104.9 MB in the beginning and 186.6 MB in the end (delta: 81.8 MB). Free memory was 58.5 MB in the beginning and 142.4 MB in the end (delta: -83.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:32,502 INFO L168 Benchmark]: Witness Printer took 184.40 ms. Allocated memory is still 186.6 MB. Free memory was 142.4 MB in the beginning and 126.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:32,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 56.5 MB in the beginning and 56.5 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 604.20 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 43.2 MB in the end (delta: 14.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.33 ms. Allocated memory is still 75.5 MB. Free memory was 43.2 MB in the beginning and 38.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.41 ms. Allocated memory is still 75.5 MB. Free memory was 38.3 MB in the beginning and 34.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3067.82 ms. Allocated memory was 75.5 MB in the beginning and 104.9 MB in the end (delta: 29.4 MB). Free memory was 34.7 MB in the beginning and 59.2 MB in the end (delta: -24.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21231.33 ms. Allocated memory was 104.9 MB in the beginning and 186.6 MB in the end (delta: 81.8 MB). Free memory was 58.5 MB in the beginning and 142.4 MB in the end (delta: -83.9 MB). Peak memory consumption was 91.0 MB. Max. memory is 16.1 GB. * Witness Printer took 184.40 ms. Allocated memory is still 186.6 MB. Free memory was 142.4 MB in the beginning and 126.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 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: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 194 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1640 SDtfs, 4591 SDslu, 4212 SDs, 0 SdLazy, 817 SolverSat, 219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1346 GetRequests, 1218 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 2109 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2837 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 171 NumberOfFragments, 787 HoareAnnotationTreeSize, 68 FomulaSimplifications, 209866 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 68 FomulaSimplificationsInter, 272245 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 644 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1258 ConstructedInterpolants, 2 QuantifiedInterpolants, 162304 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3374 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 322/390 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...