./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.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_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 a9be1523a6442e0af65427f45826a4bf64f55b34 ............................................................................................................................................ 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_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 a9be1523a6442e0af65427f45826a4bf64f55b34 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:02:00,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:00,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:00,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:00,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:00,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:00,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:00,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:00,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:00,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:00,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:00,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:00,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:00,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:00,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:00,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:00,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:00,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:00,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:00,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:00,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:00,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:00,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:00,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:00,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:00,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:00,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:00,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:00,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:00,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:00,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:00,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:00,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:00,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:00,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:00,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:00,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:00,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:00,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:00,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:00,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:00,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:02:00,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:00,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:00,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:00,837 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:00,838 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:00,838 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:00,838 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:02:00,838 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:00,838 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:00,839 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:02:00,840 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:02:00,840 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:00,840 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:02:00,840 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:02:00,841 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:02:00,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:00,842 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:00,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:02:00,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:00,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:00,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:00,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:00,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:00,843 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:00,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:00,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:00,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:00,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:00,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:00,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:00,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:00,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:00,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:00,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:00,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:00,846 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:02:00,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:02:00,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:00,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:00,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:00,847 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_b916e58a-a910-4e69-843e-604b1a6c86ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9be1523a6442e0af65427f45826a4bf64f55b34 [2020-11-22 13:02:01,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:01,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:01,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:01,171 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:01,172 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:01,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-11-22 13:02:01,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/50c1675e9/6be6228ed38741ac9f1c28727638b179/FLAGd52d2b110 [2020-11-22 13:02:01,750 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:01,751 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-11-22 13:02:01,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/50c1675e9/6be6228ed38741ac9f1c28727638b179/FLAGd52d2b110 [2020-11-22 13:02:02,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/50c1675e9/6be6228ed38741ac9f1c28727638b179 [2020-11-22 13:02:02,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:02,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:02,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:02,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:02,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:02,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:02" (1/1) ... [2020-11-22 13:02:02,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb97b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:02, skipping insertion in model container [2020-11-22 13:02:02,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:02" (1/1) ... [2020-11-22 13:02:02,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:02,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:02,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:02,458 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 13:02:02,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c3d86d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:02, skipping insertion in model container [2020-11-22 13:02:02,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:02,459 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:02:02,462 INFO L168 Benchmark]: Toolchain (without parser) took 407.24 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 70.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:02,463 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:02,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.52 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 70.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:02,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 77.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 404.52 ms. Allocated memory is still 96.5 MB. Free memory was 59.9 MB in the beginning and 70.3 MB in the end (delta: -10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 489]: 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 13:02:04,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:02:04,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:02:04,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:02:04,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:02:04,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:02:04,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:02:04,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:02:04,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:02:04,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:02:04,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:02:04,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:02:04,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:02:04,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:02:04,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:02:04,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:02:04,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:02:04,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:02:04,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:02:04,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:02:04,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:02:04,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:02:04,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:02:04,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:02:04,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:02:04,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:02:04,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:02:04,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:02:04,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:02:04,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:02:04,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:02:04,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:02:04,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:02:04,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:02:04,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:02:04,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:02:04,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:02:04,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:02:04,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:02:04,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:02:04,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:02:04,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:02:04,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:02:04,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:02:04,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:02:04,802 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:02:04,802 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:02:04,802 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:02:04,802 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:02:04,803 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:02:04,803 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:02:04,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:02:04,805 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:02:04,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:02:04,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:02:04,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:02:04,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:02:04,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:02:04,806 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:02:04,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:02:04,807 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:02:04,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:02:04,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:02:04,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:02:04,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:02:04,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:02:04,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:02:04,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:02:04,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:02:04,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:02:04,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:02:04,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:02:04,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:02:04,809 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:02:04,809 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:02:04,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:02:04,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:02:04,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:02:04,810 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_b916e58a-a910-4e69-843e-604b1a6c86ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9be1523a6442e0af65427f45826a4bf64f55b34 [2020-11-22 13:02:05,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:02:05,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:02:05,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:02:05,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:02:05,238 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:02:05,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-11-22 13:02:05,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/036b57409/5c7c28e6143b4651aaf7da75752da811/FLAGef52b76eb [2020-11-22 13:02:05,943 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:02:05,944 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-11-22 13:02:05,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/036b57409/5c7c28e6143b4651aaf7da75752da811/FLAGef52b76eb [2020-11-22 13:02:06,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/data/036b57409/5c7c28e6143b4651aaf7da75752da811 [2020-11-22 13:02:06,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:02:06,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:02:06,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:06,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:02:06,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:02:06,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b64564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06, skipping insertion in model container [2020-11-22 13:02:06,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:02:06,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:06,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:06,601 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:02:06,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:02:06,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:06,766 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:02:06,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:02:06,881 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:02:06,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06 WrapperNode [2020-11-22 13:02:06,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:02:06,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:06,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:02:06,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:02:06,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:02:06,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:02:06,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:02:06,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:02:06,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:06,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:07,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:07,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... [2020-11-22 13:02:07,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:02:07,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:02:07,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:02:07,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:02:07,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:02:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:02:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:02:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:02:09,775 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:02:09,776 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-22 13:02:09,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:09 BoogieIcfgContainer [2020-11-22 13:02:09,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:02:09,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:02:09,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:02:09,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:02:09,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:02:06" (1/3) ... [2020-11-22 13:02:09,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16482174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:09, skipping insertion in model container [2020-11-22 13:02:09,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:02:06" (2/3) ... [2020-11-22 13:02:09,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16482174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:02:09, skipping insertion in model container [2020-11-22 13:02:09,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:09" (3/3) ... [2020-11-22 13:02:09,791 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-11-22 13:02:09,802 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:02:09,807 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:02:09,817 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:02:09,841 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:02:09,841 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:02:09,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:02:09,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:02:09,841 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:02:09,842 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:02:09,842 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:02:09,842 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:02:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-11-22 13:02:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 13:02:09,870 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:09,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:09,872 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:09,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1047113476, now seen corresponding path program 1 times [2020-11-22 13:02:09,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:09,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177000842] [2020-11-22 13:02:09,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:10,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:02:10,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:10,147 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 13:02:10,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:10,156 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 13:02:10,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177000842] [2020-11-22 13:02:10,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:10,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:02:10,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060456521] [2020-11-22 13:02:10,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:02:10,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:10,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:02:10,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:02:10,183 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-11-22 13:02:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:10,246 INFO L93 Difference]: Finished difference Result 230 states and 351 transitions. [2020-11-22 13:02:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:02:10,249 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 13:02:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:10,263 INFO L225 Difference]: With dead ends: 230 [2020-11-22 13:02:10,264 INFO L226 Difference]: Without dead ends: 113 [2020-11-22 13:02:10,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:02:10,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-22 13:02:10,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-22 13:02:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-22 13:02:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2020-11-22 13:02:10,330 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2020-11-22 13:02:10,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:10,330 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2020-11-22 13:02:10,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:02:10,331 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2020-11-22 13:02:10,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 13:02:10,334 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:10,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:10,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:02:10,549 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:10,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:10,550 INFO L82 PathProgramCache]: Analyzing trace with hash 828277507, now seen corresponding path program 1 times [2020-11-22 13:02:10,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:10,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752158395] [2020-11-22 13:02:10,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:10,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:10,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:10,763 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 13:02:10,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:10,778 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 13:02:10,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752158395] [2020-11-22 13:02:10,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:10,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:02:10,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905926519] [2020-11-22 13:02:10,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:02:10,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:10,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:02:10,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:10,784 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 4 states. [2020-11-22 13:02:10,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:10,811 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2020-11-22 13:02:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:10,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 13:02:10,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:10,815 INFO L225 Difference]: With dead ends: 113 [2020-11-22 13:02:10,816 INFO L226 Difference]: Without dead ends: 49 [2020-11-22 13:02:10,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:10,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-22 13:02:10,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-22 13:02:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-22 13:02:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-22 13:02:10,830 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-22 13:02:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:10,832 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-22 13:02:10,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:02:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-22 13:02:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:02:10,834 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:10,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:11,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:02:11,035 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:11,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:11,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2020-11-22 13:02:11,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:11,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374047327] [2020-11-22 13:02:11,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:11,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:11,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:11,225 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 13:02:11,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:11,233 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 13:02:11,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374047327] [2020-11-22 13:02:11,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:11,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:02:11,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218178286] [2020-11-22 13:02:11,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:02:11,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:11,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:02:11,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:11,236 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2020-11-22 13:02:11,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:11,294 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2020-11-22 13:02:11,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:02:11,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 13:02:11,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:11,297 INFO L225 Difference]: With dead ends: 157 [2020-11-22 13:02:11,297 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 13:02:11,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:11,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 13:02:11,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 69. [2020-11-22 13:02:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-22 13:02:11,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2020-11-22 13:02:11,316 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2020-11-22 13:02:11,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:11,316 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2020-11-22 13:02:11,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:02:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-11-22 13:02:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 13:02:11,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:11,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:11,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:02:11,531 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:11,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:11,531 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2020-11-22 13:02:11,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:11,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513516104] [2020-11-22 13:02:11,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:11,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:11,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:11,758 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 13:02:11,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:11,760 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 13:02:11,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513516104] [2020-11-22 13:02:11,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:11,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:02:11,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317164686] [2020-11-22 13:02:11,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:02:11,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:11,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:02:11,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:11,763 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand 3 states. [2020-11-22 13:02:11,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:11,827 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2020-11-22 13:02:11,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:11,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 13:02:11,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:11,830 INFO L225 Difference]: With dead ends: 153 [2020-11-22 13:02:11,830 INFO L226 Difference]: Without dead ends: 91 [2020-11-22 13:02:11,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:11,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-11-22 13:02:11,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2020-11-22 13:02:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-22 13:02:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2020-11-22 13:02:11,841 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2020-11-22 13:02:11,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:11,842 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2020-11-22 13:02:11,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:02:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-11-22 13:02:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-22 13:02:11,843 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:11,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:12,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:02:12,060 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:12,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:12,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2020-11-22 13:02:12,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:12,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876375306] [2020-11-22 13:02:12,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:12,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:02:12,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:12,278 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 13:02:12,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:12,291 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 13:02:12,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876375306] [2020-11-22 13:02:12,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:12,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:02:12,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581752272] [2020-11-22 13:02:12,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:02:12,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:12,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:02:12,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:02:12,293 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 5 states. [2020-11-22 13:02:12,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:12,428 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2020-11-22 13:02:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:02:12,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-22 13:02:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:12,432 INFO L225 Difference]: With dead ends: 420 [2020-11-22 13:02:12,432 INFO L226 Difference]: Without dead ends: 338 [2020-11-22 13:02:12,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:02:12,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-11-22 13:02:12,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2020-11-22 13:02:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-11-22 13:02:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2020-11-22 13:02:12,489 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2020-11-22 13:02:12,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:12,490 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2020-11-22 13:02:12,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:02:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2020-11-22 13:02:12,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-22 13:02:12,491 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:12,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:12,711 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:02:12,711 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:12,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:12,712 INFO L82 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2020-11-22 13:02:12,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:12,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484945209] [2020-11-22 13:02:12,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:12,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:02:12,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:12,939 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 13:02:12,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:12,944 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 13:02:12,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484945209] [2020-11-22 13:02:12,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:12,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:02:12,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192810368] [2020-11-22 13:02:12,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:02:12,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:12,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:02:12,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:02:12,949 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand 5 states. [2020-11-22 13:02:13,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:13,186 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2020-11-22 13:02:13,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 13:02:13,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-22 13:02:13,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:13,189 INFO L225 Difference]: With dead ends: 589 [2020-11-22 13:02:13,190 INFO L226 Difference]: Without dead ends: 436 [2020-11-22 13:02:13,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:02:13,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-11-22 13:02:13,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2020-11-22 13:02:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-22 13:02:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2020-11-22 13:02:13,226 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2020-11-22 13:02:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:13,227 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2020-11-22 13:02:13,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:02:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2020-11-22 13:02:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:02:13,234 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:13,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:13,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 13:02:13,451 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:13,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:13,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2020-11-22 13:02:13,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:13,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254894265] [2020-11-22 13:02:13,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 13:02:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:13,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:02:13,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:13,659 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 13:02:13,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:13,668 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 13:02:13,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254894265] [2020-11-22 13:02:13,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:13,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:02:13,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702507242] [2020-11-22 13:02:13,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:02:13,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:13,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:02:13,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:02:13,671 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand 5 states. [2020-11-22 13:02:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:13,796 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2020-11-22 13:02:13,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 13:02:13,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 13:02:13,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:13,798 INFO L225 Difference]: With dead ends: 471 [2020-11-22 13:02:13,798 INFO L226 Difference]: Without dead ends: 320 [2020-11-22 13:02:13,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:02:13,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-11-22 13:02:13,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2020-11-22 13:02:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-11-22 13:02:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2020-11-22 13:02:13,823 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2020-11-22 13:02:13,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:13,823 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2020-11-22 13:02:13,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:02:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2020-11-22 13:02:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:02:13,824 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:13,824 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:14,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 13:02:14,044 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:14,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:14,045 INFO L82 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2020-11-22 13:02:14,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:14,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123539462] [2020-11-22 13:02:14,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:14,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 13:02:14,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:14,280 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 13:02:14,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:14,303 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 13:02:14,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123539462] [2020-11-22 13:02:14,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:14,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 13:02:14,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889071173] [2020-11-22 13:02:14,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 13:02:14,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:14,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 13:02:14,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 13:02:14,305 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 6 states. [2020-11-22 13:02:14,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:14,416 INFO L93 Difference]: Finished difference Result 505 states and 687 transitions. [2020-11-22 13:02:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:02:14,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-22 13:02:14,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:14,422 INFO L225 Difference]: With dead ends: 505 [2020-11-22 13:02:14,423 INFO L226 Difference]: Without dead ends: 342 [2020-11-22 13:02:14,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:02:14,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-22 13:02:14,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 178. [2020-11-22 13:02:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-22 13:02:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2020-11-22 13:02:14,451 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2020-11-22 13:02:14,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:14,451 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2020-11-22 13:02:14,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 13:02:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2020-11-22 13:02:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 13:02:14,452 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:14,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:14,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 13:02:14,665 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:14,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:14,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2020-11-22 13:02:14,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:14,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61521152] [2020-11-22 13:02:14,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 13:02:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:14,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:14,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:14,871 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 13:02:14,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:14,883 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 13:02:14,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61521152] [2020-11-22 13:02:14,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:14,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 13:02:14,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916200302] [2020-11-22 13:02:14,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:02:14,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:14,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:02:14,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:14,885 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand 4 states. [2020-11-22 13:02:15,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:15,011 INFO L93 Difference]: Finished difference Result 580 states and 789 transitions. [2020-11-22 13:02:15,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:02:15,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-22 13:02:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:15,014 INFO L225 Difference]: With dead ends: 580 [2020-11-22 13:02:15,014 INFO L226 Difference]: Without dead ends: 409 [2020-11-22 13:02:15,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:15,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-22 13:02:15,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 319. [2020-11-22 13:02:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-11-22 13:02:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2020-11-22 13:02:15,067 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 33 [2020-11-22 13:02:15,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:15,067 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2020-11-22 13:02:15,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:02:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2020-11-22 13:02:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 13:02:15,069 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:15,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:15,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 13:02:15,285 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:15,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:15,286 INFO L82 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2020-11-22 13:02:15,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:15,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973208374] [2020-11-22 13:02:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:15,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:15,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:15,487 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 13:02:15,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:15,491 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 13:02:15,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973208374] [2020-11-22 13:02:15,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:15,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:02:15,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623908557] [2020-11-22 13:02:15,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:02:15,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:15,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:02:15,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:15,494 INFO L87 Difference]: Start difference. First operand 319 states and 428 transitions. Second operand 3 states. [2020-11-22 13:02:15,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:15,599 INFO L93 Difference]: Finished difference Result 519 states and 692 transitions. [2020-11-22 13:02:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:15,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-22 13:02:15,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:15,605 INFO L225 Difference]: With dead ends: 519 [2020-11-22 13:02:15,605 INFO L226 Difference]: Without dead ends: 517 [2020-11-22 13:02:15,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:15,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-11-22 13:02:15,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 388. [2020-11-22 13:02:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-11-22 13:02:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 530 transitions. [2020-11-22 13:02:15,660 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 530 transitions. Word has length 34 [2020-11-22 13:02:15,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:15,660 INFO L481 AbstractCegarLoop]: Abstraction has 388 states and 530 transitions. [2020-11-22 13:02:15,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:02:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 530 transitions. [2020-11-22 13:02:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-22 13:02:15,662 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:15,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:15,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 13:02:15,876 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:15,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:15,877 INFO L82 PathProgramCache]: Analyzing trace with hash 217967519, now seen corresponding path program 1 times [2020-11-22 13:02:15,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:15,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [294232568] [2020-11-22 13:02:15,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:16,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 13:02:16,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:16,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:02:16,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 13:02:16,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [294232568] [2020-11-22 13:02:16,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:16,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-22 13:02:16,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526184039] [2020-11-22 13:02:16,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 13:02:16,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:16,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 13:02:16,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:02:16,157 INFO L87 Difference]: Start difference. First operand 388 states and 530 transitions. Second operand 10 states. [2020-11-22 13:02:19,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:19,695 INFO L93 Difference]: Finished difference Result 1528 states and 2067 transitions. [2020-11-22 13:02:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-22 13:02:19,696 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-11-22 13:02:19,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:19,703 INFO L225 Difference]: With dead ends: 1528 [2020-11-22 13:02:19,703 INFO L226 Difference]: Without dead ends: 1147 [2020-11-22 13:02:19,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-11-22 13:02:19,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2020-11-22 13:02:19,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 321. [2020-11-22 13:02:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-11-22 13:02:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 427 transitions. [2020-11-22 13:02:19,762 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 427 transitions. Word has length 56 [2020-11-22 13:02:19,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:19,762 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 427 transitions. [2020-11-22 13:02:19,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 13:02:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 427 transitions. [2020-11-22 13:02:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 13:02:19,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:19,764 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:19,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 13:02:19,984 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:19,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1360990582, now seen corresponding path program 1 times [2020-11-22 13:02:19,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:19,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426424165] [2020-11-22 13:02:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/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 13:02:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:20,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:20,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:02:20,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:02:20,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1426424165] [2020-11-22 13:02:20,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:20,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:02:20,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317773410] [2020-11-22 13:02:20,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:02:20,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:20,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:02:20,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:20,232 INFO L87 Difference]: Start difference. First operand 321 states and 427 transitions. Second operand 4 states. [2020-11-22 13:02:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:22,834 INFO L93 Difference]: Finished difference Result 619 states and 828 transitions. [2020-11-22 13:02:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:22,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-11-22 13:02:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:22,837 INFO L225 Difference]: With dead ends: 619 [2020-11-22 13:02:22,837 INFO L226 Difference]: Without dead ends: 305 [2020-11-22 13:02:22,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:02:22,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-22 13:02:22,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2020-11-22 13:02:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-11-22 13:02:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 386 transitions. [2020-11-22 13:02:22,903 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 386 transitions. Word has length 58 [2020-11-22 13:02:22,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:22,904 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 386 transitions. [2020-11-22 13:02:22,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:02:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 386 transitions. [2020-11-22 13:02:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-22 13:02:22,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:02:22,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:02:23,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-22 13:02:23,119 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:02:23,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:02:23,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1749913436, now seen corresponding path program 1 times [2020-11-22 13:02:23,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:02:23,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037631747] [2020-11-22 13:02:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-22 13:02:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:02:23,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:02:23,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:02:23,310 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-22 13:02:23,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:02:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-22 13:02:23,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037631747] [2020-11-22 13:02:23,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:02:23,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:02:23,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534021045] [2020-11-22 13:02:23,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:02:23,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:02:23,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:02:23,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:23,318 INFO L87 Difference]: Start difference. First operand 301 states and 386 transitions. Second operand 3 states. [2020-11-22 13:02:24,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:02:24,934 INFO L93 Difference]: Finished difference Result 587 states and 752 transitions. [2020-11-22 13:02:24,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:02:24,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-22 13:02:24,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:02:24,935 INFO L225 Difference]: With dead ends: 587 [2020-11-22 13:02:24,936 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:02:24,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:02:24,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:02:24,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:02:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:02:24,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:02:24,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-11-22 13:02:24,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:02:24,938 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:02:24,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:02:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:02:24,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:02:25,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-11-22 13:02:25,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:02:25,592 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 145 [2020-11-22 13:02:26,280 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 195 [2020-11-22 13:02:26,436 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 145 [2020-11-22 13:02:26,584 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-11-22 13:02:26,821 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 145 [2020-11-22 13:02:27,135 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 110 [2020-11-22 13:02:27,564 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 196 [2020-11-22 13:02:27,994 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 218 [2020-11-22 13:02:28,218 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 177 [2020-11-22 13:02:29,208 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2020-11-22 13:02:29,357 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2020-11-22 13:02:30,846 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 194 DAG size of output: 26 [2020-11-22 13:02:31,578 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2020-11-22 13:02:31,827 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2020-11-22 13:02:32,232 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2020-11-22 13:02:32,509 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 26 [2020-11-22 13:02:33,335 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 29 [2020-11-22 13:02:33,959 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 25 [2020-11-22 13:02:34,225 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 28 [2020-11-22 13:02:35,164 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 41 [2020-11-22 13:02:36,502 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 216 DAG size of output: 37 [2020-11-22 13:02:37,264 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 31 [2020-11-22 13:02:37,267 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:37,267 INFO L270 CegarLoopResult]: At program point L267(lines 266 285) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not .cse8)) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse6) (and .cse3 .cse0 .cse7 .cse1 .cse8) (and .cse3 .cse0 .cse1 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse3 .cse0 .cse4 .cse7 .cse5) (and .cse3 .cse0 .cse1 .cse6) (and .cse0 .cse4 .cse5 .cse2)))) [2020-11-22 13:02:37,267 INFO L274 CegarLoopResult]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2020-11-22 13:02:37,267 INFO L270 CegarLoopResult]: At program point L267-2(lines 266 285) the Hoare annotation is: false [2020-11-22 13:02:37,267 INFO L270 CegarLoopResult]: At program point L267-3(lines 266 285) the Hoare annotation is: false [2020-11-22 13:02:37,267 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:02:37,268 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:02:37,268 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:02:37,268 INFO L270 CegarLoopResult]: At program point L895(lines 891 897) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:02:37,268 INFO L270 CegarLoopResult]: At program point L433(lines 418 436) the Hoare annotation is: false [2020-11-22 13:02:37,268 INFO L270 CegarLoopResult]: At program point L433-1(lines 418 436) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32)))))) [2020-11-22 13:02:37,268 INFO L270 CegarLoopResult]: At program point L433-2(lines 418 436) the Hoare annotation is: false [2020-11-22 13:02:37,268 INFO L270 CegarLoopResult]: At program point L433-3(lines 418 436) the Hoare annotation is: false [2020-11-22 13:02:37,269 INFO L270 CegarLoopResult]: At program point L433-4(lines 418 436) the Hoare annotation is: false [2020-11-22 13:02:37,269 INFO L270 CegarLoopResult]: At program point L433-5(lines 418 436) the Hoare annotation is: false [2020-11-22 13:02:37,269 INFO L274 CegarLoopResult]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-11-22 13:02:37,269 INFO L270 CegarLoopResult]: At program point L236-1(lines 267 273) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not .cse6)) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse7 .cse5 .cse6) (and .cse1 .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3) (and .cse1 .cse2 .cse5 .cse8 .cse4) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse8)))) [2020-11-22 13:02:37,269 INFO L274 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-11-22 13:02:37,269 INFO L274 CegarLoopResult]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-11-22 13:02:37,269 INFO L274 CegarLoopResult]: For program point L831-2(line 831) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L270 CegarLoopResult]: At program point L369(lines 362 372) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2020-11-22 13:02:37,270 INFO L270 CegarLoopResult]: At program point L369-1(lines 362 372) the Hoare annotation is: false [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L303(lines 303 311) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L270 CegarLoopResult]: At program point L369-2(lines 362 372) the Hoare annotation is: false [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L303-1(lines 303 311) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L303-3(lines 303 311) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L303-4(lines 303 311) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L303-5(lines 303 311) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L277 CegarLoopResult]: At program point L931(lines 912 934) the Hoare annotation is: true [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:02:37,270 INFO L274 CegarLoopResult]: For program point L173-1(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L274 CegarLoopResult]: For program point L173-3(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L274 CegarLoopResult]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L274 CegarLoopResult]: For program point L173-5(lines 173 179) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L270 CegarLoopResult]: At program point L966(lines 961 969) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:02:37,271 INFO L274 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L270 CegarLoopResult]: At program point L274(lines 274 280) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse1 .cse4 .cse5) (and .cse0 .cse1 .cse4) (and .cse1 .cse2 .cse3 .cse5))) [2020-11-22 13:02:37,271 INFO L270 CegarLoopResult]: At program point L274-1(lines 274 280) the Hoare annotation is: false [2020-11-22 13:02:37,271 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-11-22 13:02:37,271 INFO L270 CegarLoopResult]: At program point L274-2(lines 274 280) the Hoare annotation is: false [2020-11-22 13:02:37,272 INFO L270 CegarLoopResult]: At program point L208-1(lines 208 214) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse7) (and .cse1 .cse8 .cse3 .cse9 .cse6 .cse4) (and .cse1 .cse5 .cse8 .cse7 .cse9 .cse6 .cse4))) [2020-11-22 13:02:37,272 INFO L274 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-11-22 13:02:37,272 INFO L270 CegarLoopResult]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (and .cse2 .cse0 .cse1 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse2 .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse2 .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2020-11-22 13:02:37,272 INFO L270 CegarLoopResult]: At program point L178(lines 169 182) the Hoare annotation is: false [2020-11-22 13:02:37,272 INFO L270 CegarLoopResult]: At program point L178-1(lines 169 182) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse3 (bvslt ~waterLevel~0 (_ bv2 32))))) [2020-11-22 13:02:37,272 INFO L270 CegarLoopResult]: At program point L178-2(lines 169 182) the Hoare annotation is: false [2020-11-22 13:02:37,273 INFO L270 CegarLoopResult]: At program point L178-3(lines 169 182) the Hoare annotation is: false [2020-11-22 13:02:37,273 INFO L270 CegarLoopResult]: At program point L178-4(lines 169 182) the Hoare annotation is: false [2020-11-22 13:02:37,273 INFO L270 CegarLoopResult]: At program point L178-5(lines 169 182) the Hoare annotation is: false [2020-11-22 13:02:37,274 INFO L270 CegarLoopResult]: At program point L378(lines 373 381) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse0 .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2 (= (_ bv0 32) ~pumpRunning~0)))) [2020-11-22 13:02:37,274 INFO L270 CegarLoopResult]: At program point L378-1(lines 373 381) the Hoare annotation is: false [2020-11-22 13:02:37,274 INFO L270 CegarLoopResult]: At program point L378-2(lines 373 381) the Hoare annotation is: false [2020-11-22 13:02:37,274 INFO L270 CegarLoopResult]: At program point L248(lines 197 249) the Hoare annotation is: false [2020-11-22 13:02:37,274 INFO L270 CegarLoopResult]: At program point L51(lines 46 53) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:02:37,274 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:02:37,274 INFO L274 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-11-22 13:02:37,274 INFO L270 CegarLoopResult]: At program point L218-1(lines 218 224) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse5 .cse4) (and .cse1 .cse5 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6))) [2020-11-22 13:02:37,274 INFO L274 CegarLoopResult]: For program point L120(lines 120 124) no Hoare annotation was computed. [2020-11-22 13:02:37,274 INFO L270 CegarLoopResult]: At program point L847-2(lines 847 861) the Hoare annotation is: false [2020-11-22 13:02:37,274 INFO L274 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-11-22 13:02:37,274 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:02:37,274 INFO L274 CegarLoopResult]: For program point L851(lines 851 855) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L851-1(lines 267 273) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L325(lines 325 342) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L325-1(lines 325 342) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 342) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L62(lines 62 79) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L270 CegarLoopResult]: At program point L62-1(lines 1 969) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse6 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse7) (and .cse1 .cse8 .cse3 .cse9 .cse6 .cse4) (and .cse1 .cse5 .cse8 .cse7 .cse9 .cse6 .cse4))) [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L270 CegarLoopResult]: At program point L62-3(lines 1 969) the Hoare annotation is: false [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L270 CegarLoopResult]: At program point L62-5(lines 1 969) the Hoare annotation is: false [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L228(lines 228 243) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-11-22 13:02:37,275 INFO L274 CegarLoopResult]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2020-11-22 13:02:37,276 INFO L274 CegarLoopResult]: For program point L922(lines 922 929) no Hoare annotation was computed. [2020-11-22 13:02:37,276 INFO L274 CegarLoopResult]: For program point L96-6(lines 96 100) no Hoare annotation was computed. [2020-11-22 13:02:37,277 INFO L277 CegarLoopResult]: At program point L922-1(lines 922 929) the Hoare annotation is: true [2020-11-22 13:02:37,277 INFO L274 CegarLoopResult]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,277 INFO L274 CegarLoopResult]: For program point L427-2(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,277 INFO L274 CegarLoopResult]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,277 INFO L274 CegarLoopResult]: For program point L427-5(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,277 INFO L274 CegarLoopResult]: For program point L427-6(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,277 INFO L274 CegarLoopResult]: For program point L427-8(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,278 INFO L274 CegarLoopResult]: For program point L427-9(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,278 INFO L274 CegarLoopResult]: For program point L427-11(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,278 INFO L274 CegarLoopResult]: For program point L427-12(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,278 INFO L274 CegarLoopResult]: For program point L427-14(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L427-15(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L427-17(lines 427 431) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L329(lines 329 337) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L329-1(lines 329 337) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L66(lines 66 76) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L270 CegarLoopResult]: At program point L958(lines 1 969) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2020-11-22 13:02:37,279 INFO L274 CegarLoopResult]: For program point L199(lines 198 247) no Hoare annotation was computed. [2020-11-22 13:02:37,286 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv0 32))))) [2020-11-22 13:02:37,287 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (and .cse0 .cse1 .cse3 .cse5) (and .cse1 .cse2 .cse6 .cse4 .cse7) (and .cse1 .cse6 .cse5 .cse7))) [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-22 13:02:37,287 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-11-22 13:02:37,287 INFO L270 CegarLoopResult]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2020-11-22 13:02:37,287 INFO L270 CegarLoopResult]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-11-22 13:02:37,287 INFO L270 CegarLoopResult]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L299(lines 299 316) no Hoare annotation was computed. [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L299-1(lines 299 316) no Hoare annotation was computed. [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 316) no Hoare annotation was computed. [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-11-22 13:02:37,287 INFO L274 CegarLoopResult]: For program point L299-3(lines 299 316) no Hoare annotation was computed. [2020-11-22 13:02:37,288 INFO L274 CegarLoopResult]: For program point L299-4(lines 299 316) no Hoare annotation was computed. [2020-11-22 13:02:37,288 INFO L274 CegarLoopResult]: For program point L299-5(lines 299 316) no Hoare annotation was computed. [2020-11-22 13:02:37,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:02:37 BoogieIcfgContainer [2020-11-22 13:02:37,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:02:37,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:02:37,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:02:37,351 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:02:37,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:02:09" (3/4) ... [2020-11-22 13:02:37,355 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:02:37,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:02:37,378 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:02:37,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:02:37,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:02:37,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:02:37,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:37,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:02:37,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) [2020-11-22 13:02:37,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) [2020-11-22 13:02:37,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:02:37,424 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:02:37,425 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:02:37,426 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2020-11-22 13:02:37,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:02:37,429 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:02:37,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) [2020-11-22 13:02:37,430 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32)) [2020-11-22 13:02:37,431 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) [2020-11-22 13:02:37,441 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((((tmp___0 == 0bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) [2020-11-22 13:02:37,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b916e58a-a910-4e69-843e-604b1a6c86ff/bin/utaipan/witness.graphml [2020-11-22 13:02:37,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:02:37,521 INFO L168 Benchmark]: Toolchain (without parser) took 31257.01 ms. Allocated memory was 58.7 MB in the beginning and 182.5 MB in the end (delta: 123.7 MB). Free memory was 36.1 MB in the beginning and 151.3 MB in the end (delta: -115.2 MB). Peak memory consumption was 110.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:37,521 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 40.6 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:02:37,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.62 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 28.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:37,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.86 ms. Allocated memory is still 58.7 MB. Free memory was 28.7 MB in the beginning and 25.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:37,523 INFO L168 Benchmark]: Boogie Preprocessor took 56.50 ms. Allocated memory is still 58.7 MB. Free memory was 25.0 MB in the beginning and 22.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:37,523 INFO L168 Benchmark]: RCFGBuilder took 2757.74 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 22.2 MB in the beginning and 31.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:37,524 INFO L168 Benchmark]: TraceAbstraction took 27567.00 ms. Allocated memory was 71.3 MB in the beginning and 182.5 MB in the end (delta: 111.1 MB). Free memory was 30.8 MB in the beginning and 54.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:37,524 INFO L168 Benchmark]: Witness Printer took 169.03 ms. Allocated memory is still 182.5 MB. Free memory was 54.4 MB in the beginning and 151.3 MB in the end (delta: -96.9 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:02:37,527 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 58.7 MB. Free memory was 40.6 MB in the beginning and 40.6 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.62 ms. Allocated memory is still 58.7 MB. Free memory was 35.9 MB in the beginning and 28.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.86 ms. Allocated memory is still 58.7 MB. Free memory was 28.7 MB in the beginning and 25.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.50 ms. Allocated memory is still 58.7 MB. Free memory was 25.0 MB in the beginning and 22.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2757.74 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 22.2 MB in the beginning and 31.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27567.00 ms. Allocated memory was 71.3 MB in the beginning and 182.5 MB in the end (delta: 111.1 MB). Free memory was 30.8 MB in the beginning and 54.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 92.8 MB. Max. memory is 16.1 GB. * Witness Printer took 169.03 ms. Allocated memory is still 182.5 MB. Free memory was 54.4 MB in the beginning and 151.3 MB in the end (delta: -96.9 MB). Peak memory consumption was 2.7 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: 208]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || ((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || ((((((tmp___0 == 0bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && systemActive == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvslt32(waterLevel, 2bv32))) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && \result == 1bv32) && 1bv32 == pumpRunning)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1294 SDtfs, 1669 SDslu, 2662 SDs, 0 SdLazy, 301 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1867 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 164 NumberOfFragments, 1044 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1489338 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 559991 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 64709 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2813 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 130/130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...