./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI --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 9648b26a5ec4f9065ef62bcefcc0539fba2412ec ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI --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 9648b26a5ec4f9065ef62bcefcc0539fba2412ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:49,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:49,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:49,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:49,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:49,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:49,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:49,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:49,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:49,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:49,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:49,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:49,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:49,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:49,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:49,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:49,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:49,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:49,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:49,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:49,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:49,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:49,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:49,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:49,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:49,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:49,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:49,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:49,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:49,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:49,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:49,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:49,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:49,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:49,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:49,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:49,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:49,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:49,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:49,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:49,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:49,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:49,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:49,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:49,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:49,845 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:49,845 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:49,845 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:49,846 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:49,846 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:49,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:49,846 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:49,848 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:49,848 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:49,848 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:49,848 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:49,849 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:49,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:49,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:49,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:49,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:49,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:49,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:49,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:49,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:49,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:49,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:49,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:49,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:49,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:49,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:49,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:49,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:49,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:49,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:49,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:49,858 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:49,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:49,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:49,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:49,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:49,859 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9648b26a5ec4f9065ef62bcefcc0539fba2412ec [2021-10-11 02:31:50,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:50,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:50,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:50,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:50,142 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:50,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2021-10-11 02:31:50,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/60822574b/6d83e1e7176c40ed80386632024d3089/FLAGe35f050a1 [2021-10-11 02:31:50,743 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:50,744 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2021-10-11 02:31:50,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/60822574b/6d83e1e7176c40ed80386632024d3089/FLAGe35f050a1 [2021-10-11 02:31:51,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/60822574b/6d83e1e7176c40ed80386632024d3089 [2021-10-11 02:31:51,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:51,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:51,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:51,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:51,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:51,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:51" (1/1) ... [2021-10-11 02:31:51,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d1abfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:51, skipping insertion in model container [2021-10-11 02:31:51,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:51" (1/1) ... [2021-10-11 02:31:51,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:51,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:51,355 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[2740,2753] [2021-10-11 02:31:51,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:51,462 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:31:51,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25a4609c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:51, skipping insertion in model container [2021-10-11 02:31:51,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:51,464 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:51,466 INFO L168 Benchmark]: Toolchain (without parser) took 414.05 ms. Allocated memory is still 119.5 MB. Free memory was 75.8 MB in the beginning and 90.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:51,467 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory is still 93.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:51,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.34 ms. Allocated memory is still 119.5 MB. Free memory was 75.6 MB in the beginning and 90.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:51,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 119.5 MB. Free memory is still 93.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.34 ms. Allocated memory is still 119.5 MB. Free memory was 75.6 MB in the beginning and 90.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 344]: 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 0.2.0-7b2dab5 [2021-10-11 02:31:53,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:53,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:53,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:53,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:53,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:53,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:53,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:53,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:53,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:53,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:53,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:53,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:53,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:53,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:53,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:53,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:53,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:53,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:53,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:53,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:53,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:53,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:53,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:53,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:53,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:53,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:53,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:53,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:53,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:53,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:53,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:53,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:53,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:53,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:53,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:53,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:53,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:53,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:53,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:53,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:53,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:53,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:53,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:53,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:53,862 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:53,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:53,862 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:53,863 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:53,863 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:53,863 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:53,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:53,865 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:53,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:53,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:53,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:53,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:53,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:53,867 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:53,867 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:53,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:53,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:53,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:53,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:53,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:53,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:53,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:53,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:53,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:53,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:53,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:53,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:53,869 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:53,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:53,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:53,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:53,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:53,870 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9648b26a5ec4f9065ef62bcefcc0539fba2412ec [2021-10-11 02:31:54,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:54,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:54,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:54,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:54,367 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:54,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2021-10-11 02:31:54,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/cd0f0018e/6fbc4e4517614c129b748d3c93c23b19/FLAGe5e8743cf [2021-10-11 02:31:55,066 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:55,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2021-10-11 02:31:55,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/cd0f0018e/6fbc4e4517614c129b748d3c93c23b19/FLAGe5e8743cf [2021-10-11 02:31:55,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/data/cd0f0018e/6fbc4e4517614c129b748d3c93c23b19 [2021-10-11 02:31:55,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:55,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:55,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:55,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:55,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:55,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:55" (1/1) ... [2021-10-11 02:31:55,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc907a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:55, skipping insertion in model container [2021-10-11 02:31:55,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:55" (1/1) ... [2021-10-11 02:31:55,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:55,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:55,656 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[2740,2753] [2021-10-11 02:31:55,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:55,833 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:55,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:55,853 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[2740,2753] [2021-10-11 02:31:55,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:55,914 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:55,933 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c[2740,2753] [2021-10-11 02:31:55,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:56,042 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:56,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56 WrapperNode [2021-10-11 02:31:56,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:56,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:56,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:56,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:56,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:56,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:56,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:56,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:56,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... [2021-10-11 02:31:56,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:56,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:56,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:56,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:56,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:58,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:58,771 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2021-10-11 02:31:58,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:58 BoogieIcfgContainer [2021-10-11 02:31:58,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:58,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:58,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:58,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:58,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:55" (1/3) ... [2021-10-11 02:31:58,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd90829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:58, skipping insertion in model container [2021-10-11 02:31:58,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:56" (2/3) ... [2021-10-11 02:31:58,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd90829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:58, skipping insertion in model container [2021-10-11 02:31:58,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:58" (3/3) ... [2021-10-11 02:31:58,780 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2021-10-11 02:31:58,797 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:58,800 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:58,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:58,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:58,835 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:58,835 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:58,835 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:58,835 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:58,836 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:58,836 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:58,836 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2021-10-11 02:31:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:31:58,857 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:58,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:58,858 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:58,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:58,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1880189342, now seen corresponding path program 1 times [2021-10-11 02:31:58,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:58,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254647476] [2021-10-11 02:31:58,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:59,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:59,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:59,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:59,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1254647476] [2021-10-11 02:31:59,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:59,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:59,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282522216] [2021-10-11 02:31:59,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:59,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:59,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:59,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:59,201 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2021-10-11 02:31:59,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:59,264 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2021-10-11 02:31:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:59,265 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:31:59,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:59,278 INFO L225 Difference]: With dead ends: 252 [2021-10-11 02:31:59,279 INFO L226 Difference]: Without dead ends: 125 [2021-10-11 02:31:59,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:59,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-11 02:31:59,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-10-11 02:31:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2021-10-11 02:31:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2021-10-11 02:31:59,333 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2021-10-11 02:31:59,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:59,334 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2021-10-11 02:31:59,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:59,334 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2021-10-11 02:31:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:31:59,335 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:59,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:59,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:59,548 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:59,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1368021057, now seen corresponding path program 1 times [2021-10-11 02:31:59,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:59,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642570356] [2021-10-11 02:31:59,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:59,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:59,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:59,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:59,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642570356] [2021-10-11 02:31:59,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:59,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:59,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524124716] [2021-10-11 02:31:59,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:59,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:59,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:59,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:59,792 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2021-10-11 02:31:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:59,815 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2021-10-11 02:31:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:59,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:31:59,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:59,817 INFO L225 Difference]: With dead ends: 125 [2021-10-11 02:31:59,817 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:31:59,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:31:59,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:31:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:31:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-11 02:31:59,830 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2021-10-11 02:31:59,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:59,830 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-11 02:31:59,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-11 02:31:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:59,832 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:59,832 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] [2021-10-11 02:32:00,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:32:00,033 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:00,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2019078694, now seen corresponding path program 1 times [2021-10-11 02:32:00,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:00,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120615159] [2021-10-11 02:32:00,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:00,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:00,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:00,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:00,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120615159] [2021-10-11 02:32:00,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:00,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:32:00,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723005556] [2021-10-11 02:32:00,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:00,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:00,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:00,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:00,256 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2021-10-11 02:32:00,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:00,266 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2021-10-11 02:32:00,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:00,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:32:00,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:00,268 INFO L225 Difference]: With dead ends: 96 [2021-10-11 02:32:00,268 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:32:00,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:00,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:32:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:32:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:32:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-11 02:32:00,275 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2021-10-11 02:32:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:00,275 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-11 02:32:00,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-11 02:32:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:32:00,277 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:00,277 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] [2021-10-11 02:32:00,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:32:00,494 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:00,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:00,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1511639432, now seen corresponding path program 1 times [2021-10-11 02:32:00,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:00,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474539047] [2021-10-11 02:32:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:00,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:00,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:00,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:00,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474539047] [2021-10-11 02:32:00,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:00,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:00,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832759843] [2021-10-11 02:32:00,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:00,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:00,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:00,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:00,706 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2021-10-11 02:32:00,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:00,763 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2021-10-11 02:32:00,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:00,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:32:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:00,765 INFO L225 Difference]: With dead ends: 117 [2021-10-11 02:32:00,765 INFO L226 Difference]: Without dead ends: 72 [2021-10-11 02:32:00,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-11 02:32:00,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-11 02:32:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-10-11 02:32:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2021-10-11 02:32:00,776 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2021-10-11 02:32:00,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:00,776 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2021-10-11 02:32:00,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2021-10-11 02:32:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:32:00,777 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:00,778 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] [2021-10-11 02:32:00,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:32:00,993 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:00,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:00,993 INFO L82 PathProgramCache]: Analyzing trace with hash 406595852, now seen corresponding path program 1 times [2021-10-11 02:32:00,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:00,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581047166] [2021-10-11 02:32:00,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:01,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:01,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:01,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:01,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581047166] [2021-10-11 02:32:01,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:01,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:32:01,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407578340] [2021-10-11 02:32:01,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:32:01,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:01,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:32:01,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:01,229 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2021-10-11 02:32:01,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:01,401 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2021-10-11 02:32:01,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:32:01,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:32:01,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:01,404 INFO L225 Difference]: With dead ends: 335 [2021-10-11 02:32:01,404 INFO L226 Difference]: Without dead ends: 271 [2021-10-11 02:32:01,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:32:01,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-10-11 02:32:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2021-10-11 02:32:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:32:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2021-10-11 02:32:01,439 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2021-10-11 02:32:01,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:01,440 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2021-10-11 02:32:01,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:32:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-10-11 02:32:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:32:01,446 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:01,447 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] [2021-10-11 02:32:01,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:32:01,662 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:01,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1078364354, now seen corresponding path program 1 times [2021-10-11 02:32:01,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:01,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240222700] [2021-10-11 02:32:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:01,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:01,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:01,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:01,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240222700] [2021-10-11 02:32:01,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:01,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:32:01,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15844531] [2021-10-11 02:32:01,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:32:01,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:01,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:32:01,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:01,997 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2021-10-11 02:32:02,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:02,225 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2021-10-11 02:32:02,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:32:02,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:32:02,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:02,229 INFO L225 Difference]: With dead ends: 366 [2021-10-11 02:32:02,229 INFO L226 Difference]: Without dead ends: 364 [2021-10-11 02:32:02,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:32:02,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-11 02:32:02,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2021-10-11 02:32:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:32:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2021-10-11 02:32:02,265 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2021-10-11 02:32:02,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:02,265 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2021-10-11 02:32:02,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:32:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2021-10-11 02:32:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:32:02,270 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:02,270 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] [2021-10-11 02:32:02,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:32:02,486 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:02,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:02,486 INFO L82 PathProgramCache]: Analyzing trace with hash 123869668, now seen corresponding path program 1 times [2021-10-11 02:32:02,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:02,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786608347] [2021-10-11 02:32:02,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:02,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:02,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:02,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:02,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786608347] [2021-10-11 02:32:02,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:02,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:32:02,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144766217] [2021-10-11 02:32:02,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:32:02,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:02,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:32:02,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:02,756 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2021-10-11 02:32:02,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:02,861 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2021-10-11 02:32:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:32:02,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:32:02,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:02,863 INFO L225 Difference]: With dead ends: 336 [2021-10-11 02:32:02,863 INFO L226 Difference]: Without dead ends: 214 [2021-10-11 02:32:02,864 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:32:02,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-10-11 02:32:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2021-10-11 02:32:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:32:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2021-10-11 02:32:02,881 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2021-10-11 02:32:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:02,881 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2021-10-11 02:32:02,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:32:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2021-10-11 02:32:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:32:02,882 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:02,882 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] [2021-10-11 02:32:03,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:32:03,097 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:03,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:03,097 INFO L82 PathProgramCache]: Analyzing trace with hash -462936346, now seen corresponding path program 1 times [2021-10-11 02:32:03,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:03,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787595275] [2021-10-11 02:32:03,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:03,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:32:03,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:03,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:03,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787595275] [2021-10-11 02:32:03,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:03,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:32:03,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413243240] [2021-10-11 02:32:03,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:32:03,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:03,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:32:03,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:32:03,351 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2021-10-11 02:32:03,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:03,419 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2021-10-11 02:32:03,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:32:03,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:32:03,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:03,421 INFO L225 Difference]: With dead ends: 332 [2021-10-11 02:32:03,421 INFO L226 Difference]: Without dead ends: 198 [2021-10-11 02:32:03,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:03,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-11 02:32:03,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2021-10-11 02:32:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-10-11 02:32:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2021-10-11 02:32:03,446 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2021-10-11 02:32:03,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:03,446 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2021-10-11 02:32:03,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:32:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2021-10-11 02:32:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:32:03,447 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:03,447 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] [2021-10-11 02:32:03,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:32:03,662 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:03,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:03,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1742800024, now seen corresponding path program 1 times [2021-10-11 02:32:03,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:03,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324184985] [2021-10-11 02:32:03,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:03,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:03,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:03,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:03,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324184985] [2021-10-11 02:32:03,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:03,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:32:03,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316208763] [2021-10-11 02:32:03,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:03,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:03,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:03,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:03,878 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2021-10-11 02:32:03,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:03,924 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2021-10-11 02:32:03,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:03,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:32:03,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:03,926 INFO L225 Difference]: With dead ends: 340 [2021-10-11 02:32:03,926 INFO L226 Difference]: Without dead ends: 198 [2021-10-11 02:32:03,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:03,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-11 02:32:03,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-10-11 02:32:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:32:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2021-10-11 02:32:03,948 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2021-10-11 02:32:03,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:03,948 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2021-10-11 02:32:03,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:03,948 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2021-10-11 02:32:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:32:03,949 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:03,949 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, 1] [2021-10-11 02:32:04,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:32:04,168 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:04,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:04,169 INFO L82 PathProgramCache]: Analyzing trace with hash -226364314, now seen corresponding path program 1 times [2021-10-11 02:32:04,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:04,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299487642] [2021-10-11 02:32:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:04,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:32:04,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:04,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:04,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299487642] [2021-10-11 02:32:04,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:04,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:32:04,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937735028] [2021-10-11 02:32:04,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:32:04,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:04,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:32:04,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:32:04,459 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2021-10-11 02:32:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:06,027 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2021-10-11 02:32:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:32:06,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:32:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:06,031 INFO L225 Difference]: With dead ends: 666 [2021-10-11 02:32:06,031 INFO L226 Difference]: Without dead ends: 474 [2021-10-11 02:32:06,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:32:06,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-10-11 02:32:06,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2021-10-11 02:32:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:32:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2021-10-11 02:32:06,059 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2021-10-11 02:32:06,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:06,060 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2021-10-11 02:32:06,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:32:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2021-10-11 02:32:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:32:06,061 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:06,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:32:06,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:32:06,277 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:06,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:06,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1790569150, now seen corresponding path program 1 times [2021-10-11 02:32:06,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:06,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801389073] [2021-10-11 02:32:06,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:06,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:32:06,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:32:06,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:06,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801389073] [2021-10-11 02:32:06,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:06,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:32:06,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560728678] [2021-10-11 02:32:06,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:32:06,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:06,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:32:06,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:32:06,581 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 6 states. [2021-10-11 02:32:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:08,156 INFO L93 Difference]: Finished difference Result 497 states and 639 transitions. [2021-10-11 02:32:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:32:08,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2021-10-11 02:32:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:08,156 INFO L225 Difference]: With dead ends: 497 [2021-10-11 02:32:08,157 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:32:08,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:32:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:32:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:32:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:32:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:32:08,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-11 02:32:08,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:08,158 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:32:08,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:32:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:32:08,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:32:08,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:32:08,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:32:08,790 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2021-10-11 02:32:09,171 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2021-10-11 02:32:09,369 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 87 [2021-10-11 02:32:09,530 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 92 [2021-10-11 02:32:09,655 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 79 [2021-10-11 02:32:10,506 WARN L197 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 17 [2021-10-11 02:32:10,877 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2021-10-11 02:32:11,147 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2021-10-11 02:32:11,455 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2021-10-11 02:32:11,566 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2021-10-11 02:32:12,235 WARN L197 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 17 [2021-10-11 02:32:12,761 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 14 [2021-10-11 02:32:13,367 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 14 [2021-10-11 02:32:13,747 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 20 [2021-10-11 02:32:13,762 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2021-10-11 02:32:13,762 INFO L262 CegarLoopResult]: For program point L267(lines 267 274) no Hoare annotation was computed. [2021-10-11 02:32:13,762 INFO L265 CegarLoopResult]: At program point L267-1(lines 267 274) the Hoare annotation is: true [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L763(lines 763 769) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse3 .cse2))) [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L763-1(lines 763 769) the Hoare annotation is: false [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L763-2(lines 763 769) the Hoare annotation is: false [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2021-10-11 02:32:13,763 INFO L258 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2021-10-11 02:32:13,764 INFO L258 CegarLoopResult]: At program point L303(lines 1 942) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-3(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-5(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-6(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L258 CegarLoopResult]: At program point L702-1(lines 702 708) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse2) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-8(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-9(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-11(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-12(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,764 INFO L262 CegarLoopResult]: For program point L933-14(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,765 INFO L262 CegarLoopResult]: For program point L933-15(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,765 INFO L262 CegarLoopResult]: For program point L933-17(lines 933 937) no Hoare annotation was computed. [2021-10-11 02:32:13,765 INFO L258 CegarLoopResult]: At program point L240(lines 236 242) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,765 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2021-10-11 02:32:13,765 INFO L258 CegarLoopResult]: At program point L738(lines 691 739) the Hoare annotation is: false [2021-10-11 02:32:13,765 INFO L265 CegarLoopResult]: At program point L276(lines 257 279) the Hoare annotation is: true [2021-10-11 02:32:13,766 INFO L262 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-11 02:32:13,766 INFO L258 CegarLoopResult]: At program point L311(lines 306 314) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,766 INFO L258 CegarLoopResult]: At program point L939(lines 924 942) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,766 INFO L258 CegarLoopResult]: At program point L939-1(lines 924 942) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:32:13,766 INFO L258 CegarLoopResult]: At program point L939-2(lines 924 942) the Hoare annotation is: false [2021-10-11 02:32:13,766 INFO L258 CegarLoopResult]: At program point L939-3(lines 924 942) the Hoare annotation is: false [2021-10-11 02:32:13,766 INFO L258 CegarLoopResult]: At program point L939-4(lines 924 942) the Hoare annotation is: false [2021-10-11 02:32:13,767 INFO L258 CegarLoopResult]: At program point L939-5(lines 924 942) the Hoare annotation is: false [2021-10-11 02:32:13,767 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2021-10-11 02:32:13,767 INFO L262 CegarLoopResult]: For program point L147-1(line 147) no Hoare annotation was computed. [2021-10-11 02:32:13,767 INFO L262 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2021-10-11 02:32:13,767 INFO L258 CegarLoopResult]: At program point L875(lines 868 878) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:32:13,767 INFO L258 CegarLoopResult]: At program point L875-1(lines 868 878) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,768 INFO L258 CegarLoopResult]: At program point L875-2(lines 868 878) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:32:13,768 INFO L258 CegarLoopResult]: At program point L875-3(lines 868 878) the Hoare annotation is: false [2021-10-11 02:32:13,768 INFO L258 CegarLoopResult]: At program point L875-4(lines 868 878) the Hoare annotation is: false [2021-10-11 02:32:13,768 INFO L258 CegarLoopResult]: At program point L875-5(lines 868 878) the Hoare annotation is: false [2021-10-11 02:32:13,768 INFO L258 CegarLoopResult]: At program point L875-6(lines 868 878) the Hoare annotation is: false [2021-10-11 02:32:13,768 INFO L258 CegarLoopResult]: At program point L875-7(lines 868 878) the Hoare annotation is: false [2021-10-11 02:32:13,768 INFO L258 CegarLoopResult]: At program point L875-8(lines 868 878) the Hoare annotation is: false [2021-10-11 02:32:13,768 INFO L262 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2021-10-11 02:32:13,769 INFO L258 CegarLoopResult]: At program point L712-1(lines 712 718) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:32:13,769 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:32:13,769 INFO L262 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2021-10-11 02:32:13,769 INFO L262 CegarLoopResult]: For program point L814-1(lines 814 831) no Hoare annotation was computed. [2021-10-11 02:32:13,769 INFO L262 CegarLoopResult]: For program point L814-2(lines 814 831) no Hoare annotation was computed. [2021-10-11 02:32:13,769 INFO L262 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-11 02:32:13,769 INFO L262 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point L850-6(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point L850-8(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point L850-10(lines 850 856) no Hoare annotation was computed. [2021-10-11 02:32:13,770 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:32:13,771 INFO L258 CegarLoopResult]: At program point L884(lines 879 887) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,771 INFO L258 CegarLoopResult]: At program point L884-1(lines 879 887) the Hoare annotation is: false [2021-10-11 02:32:13,771 INFO L262 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2021-10-11 02:32:13,771 INFO L258 CegarLoopResult]: At program point L884-2(lines 879 887) the Hoare annotation is: false [2021-10-11 02:32:13,771 INFO L262 CegarLoopResult]: For program point L818-1(lines 818 826) no Hoare annotation was computed. [2021-10-11 02:32:13,771 INFO L262 CegarLoopResult]: For program point L818-2(lines 818 826) no Hoare annotation was computed. [2021-10-11 02:32:13,771 INFO L258 CegarLoopResult]: At program point L191-2(lines 191 205) the Hoare annotation is: false [2021-10-11 02:32:13,772 INFO L258 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:32:13,772 INFO L258 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:32:13,772 INFO L258 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:32:13,772 INFO L258 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:32:13,772 INFO L258 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,772 INFO L258 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,772 INFO L258 CegarLoopResult]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,773 INFO L258 CegarLoopResult]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,773 INFO L258 CegarLoopResult]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,773 INFO L258 CegarLoopResult]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,773 INFO L258 CegarLoopResult]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,773 INFO L258 CegarLoopResult]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2021-10-11 02:32:13,773 INFO L262 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2021-10-11 02:32:13,773 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:32:13,773 INFO L262 CegarLoopResult]: For program point L788(lines 788 805) no Hoare annotation was computed. [2021-10-11 02:32:13,774 INFO L262 CegarLoopResult]: For program point L788-1(lines 788 805) no Hoare annotation was computed. [2021-10-11 02:32:13,774 INFO L262 CegarLoopResult]: For program point L722(lines 722 733) no Hoare annotation was computed. [2021-10-11 02:32:13,774 INFO L262 CegarLoopResult]: For program point L788-2(lines 788 805) no Hoare annotation was computed. [2021-10-11 02:32:13,774 INFO L262 CegarLoopResult]: For program point L788-3(lines 788 805) no Hoare annotation was computed. [2021-10-11 02:32:13,774 INFO L262 CegarLoopResult]: For program point L788-4(lines 788 805) no Hoare annotation was computed. [2021-10-11 02:32:13,774 INFO L262 CegarLoopResult]: For program point L788-5(lines 788 805) no Hoare annotation was computed. [2021-10-11 02:32:13,774 INFO L262 CegarLoopResult]: For program point L161(lines 161 174) no Hoare annotation was computed. [2021-10-11 02:32:13,775 INFO L258 CegarLoopResult]: At program point L161-1(lines 1 942) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse2) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:32:13,775 INFO L262 CegarLoopResult]: For program point L161-2(lines 161 174) no Hoare annotation was computed. [2021-10-11 02:32:13,775 INFO L258 CegarLoopResult]: At program point L161-3(lines 1 942) the Hoare annotation is: false [2021-10-11 02:32:13,775 INFO L262 CegarLoopResult]: For program point L161-4(lines 161 174) no Hoare annotation was computed. [2021-10-11 02:32:13,775 INFO L258 CegarLoopResult]: At program point L161-5(lines 1 942) the Hoare annotation is: false [2021-10-11 02:32:13,775 INFO L258 CegarLoopResult]: At program point L756(lines 755 774) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:32:13,775 INFO L262 CegarLoopResult]: For program point L756-1(lines 756 762) no Hoare annotation was computed. [2021-10-11 02:32:13,775 INFO L258 CegarLoopResult]: At program point L756-2(lines 755 774) the Hoare annotation is: false [2021-10-11 02:32:13,776 INFO L258 CegarLoopResult]: At program point L756-3(lines 755 774) the Hoare annotation is: false [2021-10-11 02:32:13,776 INFO L262 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-10-11 02:32:13,776 INFO L262 CegarLoopResult]: For program point L195-1(lines 756 762) no Hoare annotation was computed. [2021-10-11 02:32:13,776 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:32:13,776 INFO L262 CegarLoopResult]: For program point L792(lines 792 800) no Hoare annotation was computed. [2021-10-11 02:32:13,776 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2021-10-11 02:32:13,776 INFO L262 CegarLoopResult]: For program point L792-1(lines 792 800) no Hoare annotation was computed. [2021-10-11 02:32:13,776 INFO L262 CegarLoopResult]: For program point L792-2(lines 792 800) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L693(lines 692 737) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L792-3(lines 792 800) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L792-4(lines 792 800) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L792-5(lines 792 800) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:32:13,777 INFO L262 CegarLoopResult]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2021-10-11 02:32:13,778 INFO L262 CegarLoopResult]: For program point L728-2(lines 756 762) no Hoare annotation was computed. [2021-10-11 02:32:13,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:32:13 BoogieIcfgContainer [2021-10-11 02:32:13,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:32:13,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:32:13,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:32:13,804 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:32:13,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:58" (3/4) ... [2021-10-11 02:32:13,807 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:32:13,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:32:13,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:32:13,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:32:13,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:32:13,847 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:32:13,848 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:13,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:13,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,885 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,885 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:32:13,887 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:32:13,888 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,888 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:32:13,889 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:32:13,890 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:32:13,890 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:32:13,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e095c48-ab65-49ee-8d1e-c0c7632a8b79/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:32:13,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:32:13,959 INFO L168 Benchmark]: Toolchain (without parser) took 18643.53 ms. Allocated memory was 60.8 MB in the beginning and 121.6 MB in the end (delta: 60.8 MB). Free memory was 39.7 MB in the beginning and 62.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:13,959 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:13,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.05 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 39.4 MB in the beginning and 56.9 MB in the end (delta: -17.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:13,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.61 ms. Allocated memory is still 75.5 MB. Free memory was 56.9 MB in the beginning and 53.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:13,961 INFO L168 Benchmark]: Boogie Preprocessor took 57.26 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 50.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:13,961 INFO L168 Benchmark]: RCFGBuilder took 2541.85 ms. Allocated memory is still 75.5 MB. Free memory was 50.0 MB in the beginning and 29.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:13,961 INFO L168 Benchmark]: TraceAbstraction took 15029.11 ms. Allocated memory was 75.5 MB in the beginning and 121.6 MB in the end (delta: 46.1 MB). Free memory was 28.5 MB in the beginning and 73.5 MB in the end (delta: -45.0 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:13,962 INFO L168 Benchmark]: Witness Printer took 154.35 ms. Allocated memory is still 121.6 MB. Free memory was 73.5 MB in the beginning and 62.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:13,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 727.05 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 39.4 MB in the beginning and 56.9 MB in the end (delta: -17.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.61 ms. Allocated memory is still 75.5 MB. Free memory was 56.9 MB in the beginning and 53.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.26 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 50.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2541.85 ms. Allocated memory is still 75.5 MB. Free memory was 50.0 MB in the beginning and 29.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15029.11 ms. Allocated memory was 75.5 MB in the beginning and 121.6 MB in the end (delta: 46.1 MB). Free memory was 28.5 MB in the beginning and 73.5 MB in the end (delta: -45.0 MB). Peak memory consumption was 48.7 MB. Max. memory is 16.1 GB. * Witness Printer took 154.35 ms. Allocated memory is still 121.6 MB. Free memory was 73.5 MB in the beginning and 62.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 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: 868]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1210 SDtfs, 1529 SDslu, 2023 SDs, 0 SdLazy, 335 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 781 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 184 NumberOfFragments, 642 HoareAnnotationTreeSize, 54 FomulaSimplifications, 305038 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 61401 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 20738 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2306 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...