./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.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_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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_30202d43-aa45-4346-a32f-c722d12107ff/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 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 ............................................................................................................................................ 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_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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_30202d43-aa45-4346-a32f-c722d12107ff/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 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:23:21,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:21,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:21,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:21,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:21,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:21,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:21,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:21,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:22,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:22,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:22,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:22,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:22,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:22,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:22,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:22,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:22,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:22,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:22,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:22,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:22,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:22,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:22,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:22,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:22,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:22,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:22,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:22,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:22,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:22,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:22,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:22,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:22,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:22,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:22,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:22,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:22,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:22,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:22,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:22,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:22,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:22,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:22,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:22,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:22,087 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:22,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:22,088 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:22,088 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:22,089 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:22,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:22,090 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:22,090 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:22,091 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:22,091 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:22,092 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:22,092 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:22,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:22,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:22,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:22,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:22,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:22,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:22,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:22,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:22,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:22,097 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:22,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:22,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:22,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:22,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:22,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:22,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:22,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:22,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:22,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:22,100 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:22,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:22,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:22,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:22,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:22,102 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_30202d43-aa45-4346-a32f-c722d12107ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 [2021-10-11 02:23:22,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:22,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:22,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:22,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:22,485 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:22,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-11 02:23:22,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/3504d6cfa/a720900130194ae7a7883f12de689aab/FLAG535dd8eb3 [2021-10-11 02:23:23,288 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:23,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-11 02:23:23,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/3504d6cfa/a720900130194ae7a7883f12de689aab/FLAG535dd8eb3 [2021-10-11 02:23:23,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/3504d6cfa/a720900130194ae7a7883f12de689aab [2021-10-11 02:23:23,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:23,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:23,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:23,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:23,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:23,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:23" (1/1) ... [2021-10-11 02:23:23,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6ae766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:23, skipping insertion in model container [2021-10-11 02:23:23,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:23" (1/1) ... [2021-10-11 02:23:23,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:23,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:24,114 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_30202d43-aa45-4346-a32f-c722d12107ff/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[18846,18859] [2021-10-11 02:23:24,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:24,135 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 02:23:24,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@547a64c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:24, skipping insertion in model container [2021-10-11 02:23:24,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:24,136 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:24,139 INFO L168 Benchmark]: Toolchain (without parser) took 566.76 ms. Allocated memory is still 100.7 MB. Free memory was 71.2 MB in the beginning and 74.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:24,140 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:24,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.96 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 74.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:24,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 100.7 MB. Free memory is still 60.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 560.96 ms. Allocated memory is still 100.7 MB. Free memory was 70.9 MB in the beginning and 74.3 MB in the end (delta: -3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 181]: 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 02:23:26,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:26,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:26,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:26,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:26,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:26,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:26,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:26,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:26,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:26,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:26,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:26,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:26,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:26,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:26,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:26,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:26,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:26,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:26,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:26,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:26,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:26,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:26,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:27,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:27,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:27,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:27,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:27,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:27,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:27,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:27,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:27,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:27,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:27,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:27,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:27,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:27,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:27,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:27,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:27,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:27,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:27,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:27,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:27,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:27,107 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:27,107 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:27,107 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:27,108 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:27,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:27,109 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:27,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:27,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:27,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:27,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:27,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:27,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:27,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:27,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:27,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:27,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:27,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:27,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:27,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:27,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:27,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:27,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:27,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:27,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:27,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:27,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:27,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:27,118 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:27,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:27,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:27,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:27,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:27,119 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_30202d43-aa45-4346-a32f-c722d12107ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886ac0ae3890ab27ff2aed3926ccccbc5335b8b2 [2021-10-11 02:23:27,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:27,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:27,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:27,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:27,594 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:27,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-11 02:23:27,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/5e3a81a47/189f8158a973489db97d34962db14c17/FLAG41da9fb69 [2021-10-11 02:23:28,353 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:28,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2021-10-11 02:23:28,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/5e3a81a47/189f8158a973489db97d34962db14c17/FLAG41da9fb69 [2021-10-11 02:23:28,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/data/5e3a81a47/189f8158a973489db97d34962db14c17 [2021-10-11 02:23:28,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:28,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:28,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:28,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:28,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:28,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:28" (1/1) ... [2021-10-11 02:23:28,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3109de73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:28, skipping insertion in model container [2021-10-11 02:23:28,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:28" (1/1) ... [2021-10-11 02:23:28,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:28,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:29,266 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_30202d43-aa45-4346-a32f-c722d12107ff/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[18846,18859] [2021-10-11 02:23:29,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:29,286 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:29,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:29,399 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_30202d43-aa45-4346-a32f-c722d12107ff/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[18846,18859] [2021-10-11 02:23:29,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:29,414 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:29,530 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_30202d43-aa45-4346-a32f-c722d12107ff/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[18846,18859] [2021-10-11 02:23:29,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:29,583 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:29,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29 WrapperNode [2021-10-11 02:23:29,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:29,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:29,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:29,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:29,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:29,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:29,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:29,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:29,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... [2021-10-11 02:23:29,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:29,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:29,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:29,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:29,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:32,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:32,364 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-11 02:23:32,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:32 BoogieIcfgContainer [2021-10-11 02:23:32,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:32,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:32,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:32,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:32,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:28" (1/3) ... [2021-10-11 02:23:32,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc8981d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:32, skipping insertion in model container [2021-10-11 02:23:32,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:29" (2/3) ... [2021-10-11 02:23:32,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc8981d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:32, skipping insertion in model container [2021-10-11 02:23:32,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:32" (3/3) ... [2021-10-11 02:23:32,381 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2021-10-11 02:23:32,395 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:32,399 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:23:32,411 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:23:32,452 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:32,452 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:32,452 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:32,453 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:32,453 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:32,453 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:32,453 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:32,453 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2021-10-11 02:23:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:23:32,480 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:32,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:32,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:32,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:32,487 INFO L82 PathProgramCache]: Analyzing trace with hash -203441980, now seen corresponding path program 1 times [2021-10-11 02:23:32,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:32,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998760153] [2021-10-11 02:23:32,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:32,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:23:32,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:32,822 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 02:23:32,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:32,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998760153] [2021-10-11 02:23:32,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:32,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:32,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933756009] [2021-10-11 02:23:32,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:23:32,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:32,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:23:32,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:32,851 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2021-10-11 02:23:32,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:32,922 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2021-10-11 02:23:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:23:32,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:23:32,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:32,941 INFO L225 Difference]: With dead ends: 271 [2021-10-11 02:23:32,941 INFO L226 Difference]: Without dead ends: 135 [2021-10-11 02:23:32,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:23:32,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-10-11 02:23:32,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-10-11 02:23:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 02:23:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2021-10-11 02:23:32,995 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2021-10-11 02:23:32,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:32,996 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-10-11 02:23:32,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:23:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2021-10-11 02:23:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:23:32,998 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:32,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:33,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:33,216 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:33,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:33,217 INFO L82 PathProgramCache]: Analyzing trace with hash -422277949, now seen corresponding path program 1 times [2021-10-11 02:23:33,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:33,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239799858] [2021-10-11 02:23:33,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:33,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:33,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:33,474 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 02:23:33,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:33,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239799858] [2021-10-11 02:23:33,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:33,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:33,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516666767] [2021-10-11 02:23:33,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:33,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:33,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:33,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:33,479 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand 3 states. [2021-10-11 02:23:33,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:33,515 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2021-10-11 02:23:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:33,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:23:33,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:33,518 INFO L225 Difference]: With dead ends: 135 [2021-10-11 02:23:33,520 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:23:33,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:23:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:23:33,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:23:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:23:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 02:23:33,536 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-11 02:23:33,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:33,537 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 02:23:33,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 02:23:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:23:33,539 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:33,539 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 02:23:33,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:23:33,751 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:33,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:33,752 INFO L82 PathProgramCache]: Analyzing trace with hash -622955081, now seen corresponding path program 1 times [2021-10-11 02:23:33,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:33,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036505759] [2021-10-11 02:23:33,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:33,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:33,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:34,026 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 02:23:34,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:34,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036505759] [2021-10-11 02:23:34,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:34,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:34,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367629046] [2021-10-11 02:23:34,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:34,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:34,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:34,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:34,032 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 02:23:34,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:34,082 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-11 02:23:34,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:34,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:23:34,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:34,084 INFO L225 Difference]: With dead ends: 103 [2021-10-11 02:23:34,084 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:23:34,085 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 02:23:34,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:23:34,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:23:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:23:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-11 02:23:34,093 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-11 02:23:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:34,094 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-11 02:23:34,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-11 02:23:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:23:34,096 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:34,096 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] [2021-10-11 02:23:34,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:23:34,310 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:34,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:34,310 INFO L82 PathProgramCache]: Analyzing trace with hash -543801984, now seen corresponding path program 1 times [2021-10-11 02:23:34,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:34,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126700088] [2021-10-11 02:23:34,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:34,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:34,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:34,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:34,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126700088] [2021-10-11 02:23:34,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:34,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:34,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178482537] [2021-10-11 02:23:34,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:34,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:34,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:34,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:34,553 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2021-10-11 02:23:34,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:34,627 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2021-10-11 02:23:34,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:34,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:23:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:34,632 INFO L225 Difference]: With dead ends: 125 [2021-10-11 02:23:34,632 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 02:23:34,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 02:23:34,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 02:23:34,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-10-11 02:23:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 02:23:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-11 02:23:34,656 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2021-10-11 02:23:34,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:34,658 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-11 02:23:34,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-11 02:23:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:23:34,661 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:34,661 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] [2021-10-11 02:23:34,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:34,878 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:34,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:34,879 INFO L82 PathProgramCache]: Analyzing trace with hash 433721006, now seen corresponding path program 1 times [2021-10-11 02:23:34,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:34,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89825059] [2021-10-11 02:23:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:35,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:35,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:35,143 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 02:23:35,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:35,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89825059] [2021-10-11 02:23:35,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:35,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:35,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630421205] [2021-10-11 02:23:35,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:35,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:35,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:35,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:35,147 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2021-10-11 02:23:35,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:35,202 INFO L93 Difference]: Finished difference Result 194 states and 279 transitions. [2021-10-11 02:23:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:35,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2021-10-11 02:23:35,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:35,205 INFO L225 Difference]: With dead ends: 194 [2021-10-11 02:23:35,205 INFO L226 Difference]: Without dead ends: 126 [2021-10-11 02:23:35,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 02:23:35,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-11 02:23:35,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2021-10-11 02:23:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-10-11 02:23:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2021-10-11 02:23:35,221 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 32 [2021-10-11 02:23:35,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:35,221 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2021-10-11 02:23:35,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2021-10-11 02:23:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:23:35,223 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:35,223 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] [2021-10-11 02:23:35,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:23:35,442 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:35,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:35,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1020527020, now seen corresponding path program 1 times [2021-10-11 02:23:35,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:35,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845700158] [2021-10-11 02:23:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:35,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:35,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:35,744 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 02:23:35,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:35,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845700158] [2021-10-11 02:23:35,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:35,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:35,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29289702] [2021-10-11 02:23:35,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:35,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:35,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:35,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:35,746 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 5 states. [2021-10-11 02:23:35,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:35,942 INFO L93 Difference]: Finished difference Result 622 states and 885 transitions. [2021-10-11 02:23:35,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:23:35,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:23:35,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:35,946 INFO L225 Difference]: With dead ends: 622 [2021-10-11 02:23:35,946 INFO L226 Difference]: Without dead ends: 505 [2021-10-11 02:23:35,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 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 02:23:35,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2021-10-11 02:23:35,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 227. [2021-10-11 02:23:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2021-10-11 02:23:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 314 transitions. [2021-10-11 02:23:35,977 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 314 transitions. Word has length 32 [2021-10-11 02:23:35,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:35,977 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 314 transitions. [2021-10-11 02:23:35,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 314 transitions. [2021-10-11 02:23:35,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:23:35,979 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:35,979 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] [2021-10-11 02:23:36,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:23:36,192 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:36,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:36,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1020370484, now seen corresponding path program 1 times [2021-10-11 02:23:36,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:36,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317968374] [2021-10-11 02:23:36,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:36,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:36,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:36,444 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 02:23:36,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:36,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317968374] [2021-10-11 02:23:36,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:36,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:36,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475602818] [2021-10-11 02:23:36,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:36,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:36,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:36,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:36,449 INFO L87 Difference]: Start difference. First operand 227 states and 314 transitions. Second operand 5 states. [2021-10-11 02:23:36,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:36,692 INFO L93 Difference]: Finished difference Result 865 states and 1197 transitions. [2021-10-11 02:23:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:23:36,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:23:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:36,704 INFO L225 Difference]: With dead ends: 865 [2021-10-11 02:23:36,704 INFO L226 Difference]: Without dead ends: 645 [2021-10-11 02:23:36,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 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 02:23:36,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2021-10-11 02:23:36,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 225. [2021-10-11 02:23:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2021-10-11 02:23:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 308 transitions. [2021-10-11 02:23:36,753 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 308 transitions. Word has length 33 [2021-10-11 02:23:36,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:36,754 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 308 transitions. [2021-10-11 02:23:36,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 308 transitions. [2021-10-11 02:23:36,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:23:36,764 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:36,764 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, 1] [2021-10-11 02:23:36,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:23:36,980 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:36,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:36,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1031669644, now seen corresponding path program 1 times [2021-10-11 02:23:36,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:36,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618523120] [2021-10-11 02:23:36,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:37,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:37,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:37,236 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 02:23:37,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:37,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618523120] [2021-10-11 02:23:37,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:37,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:37,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627028471] [2021-10-11 02:23:37,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:37,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:37,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:37,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:37,239 INFO L87 Difference]: Start difference. First operand 225 states and 308 transitions. Second operand 5 states. [2021-10-11 02:23:37,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:37,355 INFO L93 Difference]: Finished difference Result 609 states and 825 transitions. [2021-10-11 02:23:37,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:23:37,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:23:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:37,359 INFO L225 Difference]: With dead ends: 609 [2021-10-11 02:23:37,361 INFO L226 Difference]: Without dead ends: 391 [2021-10-11 02:23:37,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 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 02:23:37,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2021-10-11 02:23:37,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 243. [2021-10-11 02:23:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2021-10-11 02:23:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 326 transitions. [2021-10-11 02:23:37,399 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 326 transitions. Word has length 36 [2021-10-11 02:23:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:37,400 INFO L481 AbstractCegarLoop]: Abstraction has 243 states and 326 transitions. [2021-10-11 02:23:37,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2021-10-11 02:23:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:23:37,402 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:37,403 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, 1] [2021-10-11 02:23:37,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:23:37,617 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:37,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:37,617 INFO L82 PathProgramCache]: Analyzing trace with hash 20552394, now seen corresponding path program 1 times [2021-10-11 02:23:37,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:37,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425284875] [2021-10-11 02:23:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:37,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:23:37,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:37,920 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 02:23:37,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:37,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425284875] [2021-10-11 02:23:37,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:37,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:37,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253745741] [2021-10-11 02:23:37,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:23:37,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:37,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:23:37,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:37,923 INFO L87 Difference]: Start difference. First operand 243 states and 326 transitions. Second operand 4 states. [2021-10-11 02:23:38,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:38,019 INFO L93 Difference]: Finished difference Result 512 states and 682 transitions. [2021-10-11 02:23:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:23:38,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-10-11 02:23:38,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:38,024 INFO L225 Difference]: With dead ends: 512 [2021-10-11 02:23:38,024 INFO L226 Difference]: Without dead ends: 276 [2021-10-11 02:23:38,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 02:23:38,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-10-11 02:23:38,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 204. [2021-10-11 02:23:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2021-10-11 02:23:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 267 transitions. [2021-10-11 02:23:38,076 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 267 transitions. Word has length 36 [2021-10-11 02:23:38,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:38,077 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 267 transitions. [2021-10-11 02:23:38,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:23:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2021-10-11 02:23:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:23:38,078 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:38,078 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, 1, 1] [2021-10-11 02:23:38,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:23:38,296 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:38,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:38,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1819972552, now seen corresponding path program 1 times [2021-10-11 02:23:38,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:38,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787649548] [2021-10-11 02:23:38,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:38,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:38,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:38,591 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 02:23:38,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:38,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787649548] [2021-10-11 02:23:38,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:38,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:23:38,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211227391] [2021-10-11 02:23:38,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:23:38,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:38,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:23:38,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:38,594 INFO L87 Difference]: Start difference. First operand 204 states and 267 transitions. Second operand 6 states. [2021-10-11 02:23:40,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:40,466 INFO L93 Difference]: Finished difference Result 615 states and 805 transitions. [2021-10-11 02:23:40,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:23:40,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 02:23:40,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:40,469 INFO L225 Difference]: With dead ends: 615 [2021-10-11 02:23:40,469 INFO L226 Difference]: Without dead ends: 418 [2021-10-11 02:23:40,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:23:40,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-10-11 02:23:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 204. [2021-10-11 02:23:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2021-10-11 02:23:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 262 transitions. [2021-10-11 02:23:40,498 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 262 transitions. Word has length 37 [2021-10-11 02:23:40,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:40,498 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 262 transitions. [2021-10-11 02:23:40,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:23:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 262 transitions. [2021-10-11 02:23:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:23:40,500 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:40,500 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, 1, 1, 1, 1] [2021-10-11 02:23:40,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:23:40,717 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:40,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:40,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1973086569, now seen corresponding path program 1 times [2021-10-11 02:23:40,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:40,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119995905] [2021-10-11 02:23:40,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/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 02:23:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:40,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:40,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:23:40,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:40,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119995905] [2021-10-11 02:23:40,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:40,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:40,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726542711] [2021-10-11 02:23:40,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:40,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:40,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:40,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:40,994 INFO L87 Difference]: Start difference. First operand 204 states and 262 transitions. Second operand 5 states. [2021-10-11 02:23:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:41,089 INFO L93 Difference]: Finished difference Result 482 states and 633 transitions. [2021-10-11 02:23:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:41,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 02:23:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:41,098 INFO L225 Difference]: With dead ends: 482 [2021-10-11 02:23:41,098 INFO L226 Difference]: Without dead ends: 335 [2021-10-11 02:23:41,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 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 02:23:41,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-10-11 02:23:41,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 210. [2021-10-11 02:23:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2021-10-11 02:23:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2021-10-11 02:23:41,133 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 58 [2021-10-11 02:23:41,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:41,135 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2021-10-11 02:23:41,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2021-10-11 02:23:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:23:41,136 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:41,136 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, 1, 1, 1, 1] [2021-10-11 02:23:41,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:23:41,353 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:41,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:41,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2063715289, now seen corresponding path program 1 times [2021-10-11 02:23:41,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:41,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98716958] [2021-10-11 02:23:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:41,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:41,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:23:41,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:41,662 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:23:41,662 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:23:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:23:41,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98716958] [2021-10-11 02:23:41,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [71285281] [2021-10-11 02:23:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:41,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:41,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:42,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:42,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:23:42,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2021-10-11 02:23:42,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978313237] [2021-10-11 02:23:42,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:42,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:42,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:42,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:23:42,019 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand 3 states. [2021-10-11 02:23:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:42,099 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2021-10-11 02:23:42,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:42,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 02:23:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:42,102 INFO L225 Difference]: With dead ends: 331 [2021-10-11 02:23:42,102 INFO L226 Difference]: Without dead ends: 329 [2021-10-11 02:23:42,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:23:42,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-10-11 02:23:42,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 236. [2021-10-11 02:23:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2021-10-11 02:23:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 307 transitions. [2021-10-11 02:23:42,137 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 307 transitions. Word has length 58 [2021-10-11 02:23:42,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:42,137 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 307 transitions. [2021-10-11 02:23:42,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 307 transitions. [2021-10-11 02:23:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 02:23:42,138 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:42,138 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:42,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3 [2021-10-11 02:23:42,540 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:42,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:42,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1544417178, now seen corresponding path program 1 times [2021-10-11 02:23:42,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:42,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586670761] [2021-10-11 02:23:42,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:42,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:23:42,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:23:42,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:42,958 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:23:42,958 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:23:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:23:43,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586670761] [2021-10-11 02:23:43,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [41138959] [2021-10-11 02:23:43,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:43,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:23:43,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:23:43,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:43,513 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:23:43,514 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:23:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:23:43,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468553678] [2021-10-11 02:23:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:23:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:43,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:23:43,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:23:43,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:44,003 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:23:44,003 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:23:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:23:44,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-11 02:23:44,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 6, 5, 8] total 15 [2021-10-11 02:23:44,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731581095] [2021-10-11 02:23:44,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:23:44,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:44,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:23:44,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-11 02:23:44,150 INFO L87 Difference]: Start difference. First operand 236 states and 307 transitions. Second operand 8 states. [2021-10-11 02:23:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:47,827 INFO L93 Difference]: Finished difference Result 1253 states and 1654 transitions. [2021-10-11 02:23:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-11 02:23:47,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2021-10-11 02:23:47,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:47,835 INFO L225 Difference]: With dead ends: 1253 [2021-10-11 02:23:47,835 INFO L226 Difference]: Without dead ends: 1074 [2021-10-11 02:23:47,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2021-10-11 02:23:47,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2021-10-11 02:23:47,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 291. [2021-10-11 02:23:47,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2021-10-11 02:23:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 391 transitions. [2021-10-11 02:23:47,888 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 391 transitions. Word has length 82 [2021-10-11 02:23:47,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:47,888 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 391 transitions. [2021-10-11 02:23:47,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:23:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 391 transitions. [2021-10-11 02:23:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-11 02:23:47,890 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:47,890 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:48,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:23:48,494 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:48,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:48,495 INFO L82 PathProgramCache]: Analyzing trace with hash -145207002, now seen corresponding path program 1 times [2021-10-11 02:23:48,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:48,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279314454] [2021-10-11 02:23:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:48,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:23:48,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-11 02:23:48,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-11 02:23:48,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279314454] [2021-10-11 02:23:48,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1522965803] [2021-10-11 02:23:48,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:49,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:49,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-11 02:23:49,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:49,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:23:49,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 6 [2021-10-11 02:23:49,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219753964] [2021-10-11 02:23:49,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:49,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:49,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:49,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:49,185 INFO L87 Difference]: Start difference. First operand 291 states and 391 transitions. Second operand 3 states. [2021-10-11 02:23:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:50,623 INFO L93 Difference]: Finished difference Result 438 states and 582 transitions. [2021-10-11 02:23:50,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:50,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-10-11 02:23:50,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:50,624 INFO L225 Difference]: With dead ends: 438 [2021-10-11 02:23:50,624 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:50,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:50,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:50,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-11 02:23:50,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:50,626 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:50,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:50,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:51,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:51,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:51,254 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2021-10-11 02:23:52,010 WARN L197 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 148 [2021-10-11 02:23:52,427 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 148 [2021-10-11 02:23:52,691 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 142 [2021-10-11 02:23:53,330 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 158 [2021-10-11 02:23:53,544 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 112 [2021-10-11 02:23:53,744 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 122 [2021-10-11 02:23:54,189 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-10-11 02:23:54,386 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 122 [2021-10-11 02:23:54,646 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 144 [2021-10-11 02:23:54,880 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 30 [2021-10-11 02:23:55,996 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 146 DAG size of output: 29 [2021-10-11 02:23:57,051 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 29 [2021-10-11 02:23:58,106 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 138 DAG size of output: 32 [2021-10-11 02:23:58,335 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2021-10-11 02:23:59,590 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-10-11 02:24:00,230 WARN L197 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 26 [2021-10-11 02:24:00,979 WARN L197 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 35 [2021-10-11 02:24:01,185 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 27 [2021-10-11 02:24:02,283 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 136 DAG size of output: 23 [2021-10-11 02:24:03,000 WARN L197 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 27 [2021-10-11 02:24:04,042 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 139 DAG size of output: 28 [2021-10-11 02:24:04,315 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 18 [2021-10-11 02:24:04,319 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-10-11 02:24:04,319 INFO L262 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:24:04,319 INFO L262 CegarLoopResult]: For program point L663(lines 663 671) no Hoare annotation was computed. [2021-10-11 02:24:04,319 INFO L262 CegarLoopResult]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:24:04,319 INFO L262 CegarLoopResult]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2021-10-11 02:24:04,319 INFO L262 CegarLoopResult]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2021-10-11 02:24:04,320 INFO L262 CegarLoopResult]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:24:04,320 INFO L262 CegarLoopResult]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:24:04,320 INFO L262 CegarLoopResult]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:24:04,320 INFO L262 CegarLoopResult]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2021-10-11 02:24:04,320 INFO L258 CegarLoopResult]: At program point L730(lines 725 733) 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 02:24:04,321 INFO L258 CegarLoopResult]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2021-10-11 02:24:04,321 INFO L258 CegarLoopResult]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2021-10-11 02:24:04,321 INFO L262 CegarLoopResult]: For program point L533(lines 532 579) no Hoare annotation was computed. [2021-10-11 02:24:04,321 INFO L262 CegarLoopResult]: For program point L996(line 996) no Hoare annotation was computed. [2021-10-11 02:24:04,321 INFO L262 CegarLoopResult]: For program point L996-1(line 996) no Hoare annotation was computed. [2021-10-11 02:24:04,321 INFO L262 CegarLoopResult]: For program point L996-2(line 996) no Hoare annotation was computed. [2021-10-11 02:24:04,321 INFO L262 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:24:04,322 INFO L262 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2021-10-11 02:24:04,323 INFO L262 CegarLoopResult]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:24:04,323 INFO L262 CegarLoopResult]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2021-10-11 02:24:04,323 INFO L262 CegarLoopResult]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:24:04,323 INFO L262 CegarLoopResult]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2021-10-11 02:24:04,323 INFO L258 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-11 02:24:04,323 INFO L258 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5 .cse4 .cse6) (and .cse1 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6))) [2021-10-11 02:24:04,324 INFO L258 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-11 02:24:04,324 INFO L258 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-10-11 02:24:04,324 INFO L258 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-11 02:24:04,324 INFO L258 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-11 02:24:04,324 INFO L258 CegarLoopResult]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3))) [2021-10-11 02:24:04,325 INFO L262 CegarLoopResult]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2021-10-11 02:24:04,325 INFO L258 CegarLoopResult]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2021-10-11 02:24:04,325 INFO L258 CegarLoopResult]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2021-10-11 02:24:04,325 INFO L262 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-10-11 02:24:04,325 INFO L258 CegarLoopResult]: At program point L570-2(lines 601 607) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse5))) [2021-10-11 02:24:04,325 INFO L262 CegarLoopResult]: For program point L835(lines 835 852) no Hoare annotation was computed. [2021-10-11 02:24:04,326 INFO L258 CegarLoopResult]: At program point L835-1(lines 1 999) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse4 .cse5 .cse6) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))))) [2021-10-11 02:24:04,326 INFO L262 CegarLoopResult]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2021-10-11 02:24:04,326 INFO L258 CegarLoopResult]: At program point L835-3(lines 1 999) the Hoare annotation is: false [2021-10-11 02:24:04,326 INFO L262 CegarLoopResult]: For program point L835-4(lines 835 852) no Hoare annotation was computed. [2021-10-11 02:24:04,326 INFO L258 CegarLoopResult]: At program point L835-5(lines 1 999) the Hoare annotation is: false [2021-10-11 02:24:04,326 INFO L262 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:24:04,326 INFO L262 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:24:04,327 INFO L262 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:24:04,327 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:24:04,327 INFO L262 CegarLoopResult]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:24:04,327 INFO L262 CegarLoopResult]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2021-10-11 02:24:04,327 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-10-11 02:24:04,328 INFO L258 CegarLoopResult]: At program point L804(lines 789 807) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (or (not (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)))) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32)))) (.cse5 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3 .cse4 .cse5) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 02:24:04,328 INFO L258 CegarLoopResult]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2021-10-11 02:24:04,328 INFO L258 CegarLoopResult]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2021-10-11 02:24:04,328 INFO L262 CegarLoopResult]: For program point L839(lines 839 849) no Hoare annotation was computed. [2021-10-11 02:24:04,328 INFO L262 CegarLoopResult]: For program point L839-2(lines 839 849) no Hoare annotation was computed. [2021-10-11 02:24:04,328 INFO L262 CegarLoopResult]: For program point L839-4(lines 839 849) no Hoare annotation was computed. [2021-10-11 02:24:04,328 INFO L258 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse3))) [2021-10-11 02:24:04,329 INFO L258 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2021-10-11 02:24:04,329 INFO L262 CegarLoopResult]: For program point L542(lines 542 548) no Hoare annotation was computed. [2021-10-11 02:24:04,329 INFO L258 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2021-10-11 02:24:04,329 INFO L258 CegarLoopResult]: At program point L542-1(lines 542 548) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (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 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse4 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32)))))) [2021-10-11 02:24:04,329 INFO L262 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-11 02:24:04,329 INFO L262 CegarLoopResult]: For program point L840(lines 840 846) no Hoare annotation was computed. [2021-10-11 02:24:04,332 INFO L258 CegarLoopResult]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-10-11 02:24:04,333 INFO L262 CegarLoopResult]: For program point L840-2(lines 840 846) no Hoare annotation was computed. [2021-10-11 02:24:04,333 INFO L262 CegarLoopResult]: For program point L840-4(lines 840 846) no Hoare annotation was computed. [2021-10-11 02:24:04,333 INFO L262 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2021-10-11 02:24:04,333 INFO L258 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3))) [2021-10-11 02:24:04,333 INFO L258 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-11 02:24:04,333 INFO L258 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L910-1(lines 601 607) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L258 CegarLoopResult]: At program point L580(lines 531 581) the Hoare annotation is: false [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,334 INFO L262 CegarLoopResult]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point L978(lines 978 985) no Hoare annotation was computed. [2021-10-11 02:24:04,335 INFO L265 CegarLoopResult]: At program point L978-1(lines 978 985) the Hoare annotation is: true [2021-10-11 02:24:04,335 INFO L262 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:24:04,336 INFO L262 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:24:04,336 INFO L258 CegarLoopResult]: At program point L882(lines 1 999) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:04,336 INFO L262 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:24:04,336 INFO L262 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2021-10-11 02:24:04,336 INFO L258 CegarLoopResult]: At program point L552-1(lines 552 558) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse6 .cse4 .cse5))) [2021-10-11 02:24:04,336 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L785(lines 770 788) the Hoare annotation is: false [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse3) (and .cse0 .cse6 .cse1 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse3 .cse4))) [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-10-11 02:24:04,337 INFO L258 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse3 .cse2))) [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L721(lines 714 724) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L721-1(lines 714 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (not (bvslt ~waterLevel~0 (_ bv2 32))))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse3 .cse2))) [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2021-10-11 02:24:04,338 INFO L258 CegarLoopResult]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2021-10-11 02:24:04,339 INFO L258 CegarLoopResult]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:24:04,339 INFO L265 CegarLoopResult]: At program point L987(lines 968 990) the Hoare annotation is: true [2021-10-11 02:24:04,339 INFO L258 CegarLoopResult]: At program point L954(lines 950 956) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:04,339 INFO L258 CegarLoopResult]: At program point L890(lines 885 893) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:04,339 INFO L258 CegarLoopResult]: At program point L824(lines 819 826) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point L659(lines 659 676) no Hoare annotation was computed. [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 996) no Hoare annotation was computed. [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point L562(lines 562 575) no Hoare annotation was computed. [2021-10-11 02:24:04,339 INFO L262 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:24:04,340 INFO L262 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:24:04,340 INFO L262 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:24:04,340 INFO L262 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:24:04,340 INFO L262 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:24:04,340 INFO L262 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:24:04,340 INFO L262 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-11 02:24:04,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:04 BoogieIcfgContainer [2021-10-11 02:24:04,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:04,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:04,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:04,374 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:04,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:32" (3/4) ... [2021-10-11 02:24:04,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:04,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:24:04,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:24:04,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:24:04,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:24:04,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:24:04,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:04,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:04,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:24:04,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:24:04,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || ((((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 02:24:04,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(waterLevel == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(waterLevel == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:24:04,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:24:04,435 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 02:24:04,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:24:04,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:24:04,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:24:04,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) [2021-10-11 02:24:04,498 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30202d43-aa45-4346-a32f-c722d12107ff/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:04,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:04,499 INFO L168 Benchmark]: Toolchain (without parser) took 35895.53 ms. Allocated memory was 75.5 MB in the beginning and 148.9 MB in the end (delta: 73.4 MB). Free memory was 39.7 MB in the beginning and 97.2 MB in the end (delta: -57.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:04,500 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory was 57.0 MB in the beginning and 56.9 MB in the end (delta: 115.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:04,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 975.01 ms. Allocated memory is still 75.5 MB. Free memory was 39.5 MB in the beginning and 41.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:04,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.21 ms. Allocated memory is still 75.5 MB. Free memory was 41.6 MB in the beginning and 37.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:04,501 INFO L168 Benchmark]: Boogie Preprocessor took 111.99 ms. Allocated memory is still 75.5 MB. Free memory was 37.7 MB in the beginning and 34.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:04,501 INFO L168 Benchmark]: RCFGBuilder took 2569.00 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 34.5 MB in the beginning and 81.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:04,502 INFO L168 Benchmark]: TraceAbstraction took 32002.81 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 80.2 MB in the beginning and 109.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 91.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:04,502 INFO L168 Benchmark]: Witness Printer took 124.66 ms. Allocated memory is still 148.9 MB. Free memory was 109.8 MB in the beginning and 97.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:04,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 75.5 MB. Free memory was 57.0 MB in the beginning and 56.9 MB in the end (delta: 115.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 975.01 ms. Allocated memory is still 75.5 MB. Free memory was 39.5 MB in the beginning and 41.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.21 ms. Allocated memory is still 75.5 MB. Free memory was 41.6 MB in the beginning and 37.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.99 ms. Allocated memory is still 75.5 MB. Free memory was 37.7 MB in the beginning and 34.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2569.00 ms. Allocated memory was 75.5 MB in the beginning and 102.8 MB in the end (delta: 27.3 MB). Free memory was 34.5 MB in the beginning and 81.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32002.81 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 80.2 MB in the beginning and 109.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 91.6 MB. Max. memory is 16.1 GB. * Witness Printer took 124.66 ms. Allocated memory is still 148.9 MB. Free memory was 109.8 MB in the beginning and 97.2 MB in the end (delta: 12.6 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: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 996]: 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: 789]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && (!(~bvadd64(waterLevel, 4294967295bv32) == 0bv32) || \result == 0bv32)) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(waterLevel == 0bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(waterLevel == 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: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || ((((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: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && \result == 0bv32) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(waterLevel == 0bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && !(waterLevel == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !~bvslt32(waterLevel, 2bv32)) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 139 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.5s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1592 SDtfs, 2093 SDslu, 2714 SDs, 0 SdLazy, 374 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1293 GetRequests, 1216 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 2137 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 135 NumberOfFragments, 1001 HoareAnnotationTreeSize, 56 FomulaSimplifications, 5470442 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 56 FomulaSimplificationsInter, 934930 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1243 ConstructedInterpolants, 0 QuantifiedInterpolants, 215605 SizeOfPredicates, 41 NumberOfNonLiveVariables, 4278 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 23 InterpolantComputations, 14 PerfectInterpolantSequences, 479/527 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...