./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.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_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 99571b525880b8ef5d438b0b12df7f7fd3755f6b ............................................................................................................................................ 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_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 99571b525880b8ef5d438b0b12df7f7fd3755f6b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:26:02,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:02,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:02,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:02,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:02,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:02,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:02,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:02,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:02,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:02,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:02,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:02,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:02,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:02,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:02,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:02,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:02,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:02,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:02,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:02,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:02,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:02,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:02,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:02,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:02,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:02,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:02,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:02,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:02,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:02,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:02,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:02,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:02,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:02,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:02,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:02,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:02,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:02,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:02,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:02,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:02,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:02,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:02,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:02,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:02,203 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:02,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:02,203 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:02,204 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:02,204 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:02,204 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:02,205 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:02,205 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:02,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:02,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:02,206 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:02,206 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:02,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:02,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:02,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:02,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:02,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:02,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:02,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:02,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:02,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:02,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:02,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:02,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:02,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:02,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:02,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:02,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:02,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:02,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:02,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:02,213 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:02,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:02,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:02,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:02,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:02,214 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_29cc545d-1f9a-4dbf-afcb-5bff37547748/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99571b525880b8ef5d438b0b12df7f7fd3755f6b [2021-10-11 02:26:02,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:02,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:02,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:02,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:02,521 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:02,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-11 02:26:02,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/f825d6352/ae93d478007141f89c2044fa1cafdb78/FLAGac7fa3efe [2021-10-11 02:26:03,259 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:03,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-11 02:26:03,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/f825d6352/ae93d478007141f89c2044fa1cafdb78/FLAGac7fa3efe [2021-10-11 02:26:03,534 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/f825d6352/ae93d478007141f89c2044fa1cafdb78 [2021-10-11 02:26:03,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:03,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:03,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:03,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:03,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:03,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:03" (1/1) ... [2021-10-11 02:26:03,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48175f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:03, skipping insertion in model container [2021-10-11 02:26:03,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:03" (1/1) ... [2021-10-11 02:26:03,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:03,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:03,886 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_29cc545d-1f9a-4dbf-afcb-5bff37547748/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[14819,14832] [2021-10-11 02:26:03,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:03,965 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 02:26:03,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2796dca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:03, skipping insertion in model container [2021-10-11 02:26:03,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:03,967 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:03,970 INFO L168 Benchmark]: Toolchain (without parser) took 430.45 ms. Allocated memory is still 111.1 MB. Free memory was 80.1 MB in the beginning and 82.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:03,971 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 111.1 MB. Free memory is still 66.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:03,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.82 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 82.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:03,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 111.1 MB. Free memory is still 66.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 424.82 ms. Allocated memory is still 111.1 MB. Free memory was 79.8 MB in the beginning and 82.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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 02:26:06,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:06,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:06,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:06,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:06,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:06,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:06,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:06,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:06,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:06,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:06,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:06,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:06,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:06,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:06,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:06,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:06,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:06,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:06,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:06,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:06,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:06,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:06,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:06,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:06,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:06,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:06,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:06,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:06,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:06,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:06,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:06,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:06,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:06,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:06,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:06,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:06,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:06,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:06,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:06,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:06,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:06,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:06,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:06,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:06,368 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:06,368 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:06,368 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:06,369 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:06,369 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:06,369 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:06,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:06,371 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:06,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:06,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:06,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:06,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:06,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:06,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:06,373 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:06,373 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:06,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:06,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:06,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:06,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:06,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:06,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:06,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:06,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:06,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:06,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:06,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:06,376 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:06,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:06,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:06,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:06,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:06,377 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_29cc545d-1f9a-4dbf-afcb-5bff37547748/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99571b525880b8ef5d438b0b12df7f7fd3755f6b [2021-10-11 02:26:06,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:06,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:06,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:06,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:06,808 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:06,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-11 02:26:06,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/73f94b81c/90984a791d9440459c474bd237760784/FLAG61fef959b [2021-10-11 02:26:07,557 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:07,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-10-11 02:26:07,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/73f94b81c/90984a791d9440459c474bd237760784/FLAG61fef959b [2021-10-11 02:26:07,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/data/73f94b81c/90984a791d9440459c474bd237760784 [2021-10-11 02:26:07,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:07,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:07,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:07,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:07,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:07,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:07" (1/1) ... [2021-10-11 02:26:07,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743cf18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:07, skipping insertion in model container [2021-10-11 02:26:07,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:07" (1/1) ... [2021-10-11 02:26:07,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:07,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:08,042 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_29cc545d-1f9a-4dbf-afcb-5bff37547748/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[14819,14832] [2021-10-11 02:26:08,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:08,118 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:08,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:08,213 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_29cc545d-1f9a-4dbf-afcb-5bff37547748/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[14819,14832] [2021-10-11 02:26:08,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:08,252 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:08,308 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_29cc545d-1f9a-4dbf-afcb-5bff37547748/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[14819,14832] [2021-10-11 02:26:08,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:08,365 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:08,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08 WrapperNode [2021-10-11 02:26:08,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:08,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:08,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:08,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:08,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:08,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:08,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:08,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:08,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... [2021-10-11 02:26:08,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:08,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:08,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:08,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:08,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:11,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:11,608 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-11 02:26:11,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:11 BoogieIcfgContainer [2021-10-11 02:26:11,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:11,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:11,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:11,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:11,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:07" (1/3) ... [2021-10-11 02:26:11,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc744a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:11, skipping insertion in model container [2021-10-11 02:26:11,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:08" (2/3) ... [2021-10-11 02:26:11,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc744a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:11, skipping insertion in model container [2021-10-11 02:26:11,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:11" (3/3) ... [2021-10-11 02:26:11,618 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2021-10-11 02:26:11,633 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:11,637 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:11,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:11,674 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:11,674 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:11,674 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:11,674 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:11,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:11,675 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:11,675 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:11,675 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2021-10-11 02:26:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:26:11,697 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:11,698 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 02:26:11,698 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:11,704 INFO L82 PathProgramCache]: Analyzing trace with hash -370159664, now seen corresponding path program 1 times [2021-10-11 02:26:11,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:11,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624689147] [2021-10-11 02:26:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:11,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:11,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:11,988 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 02:26:11,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:11,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624689147] [2021-10-11 02:26:11,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:11,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:11,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114352817] [2021-10-11 02:26:11,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:11,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:12,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:12,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:12,009 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2021-10-11 02:26:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:12,050 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-10-11 02:26:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:12,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:26:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:12,067 INFO L225 Difference]: With dead ends: 240 [2021-10-11 02:26:12,067 INFO L226 Difference]: Without dead ends: 119 [2021-10-11 02:26:12,070 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 02:26:12,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-11 02:26:12,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-11 02:26:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-10-11 02:26:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-10-11 02:26:12,139 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-10-11 02:26:12,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:12,139 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-10-11 02:26:12,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-10-11 02:26:12,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:26:12,143 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:12,144 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 02:26:12,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:12,363 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:12,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash -37103251, now seen corresponding path program 1 times [2021-10-11 02:26:12,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:12,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037568491] [2021-10-11 02:26:12,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:12,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:12,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:12,597 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 02:26:12,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:12,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037568491] [2021-10-11 02:26:12,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:12,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:12,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931363344] [2021-10-11 02:26:12,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:12,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:12,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:12,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:12,600 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 3 states. [2021-10-11 02:26:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:12,612 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-10-11 02:26:12,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:12,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:26:12,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:12,614 INFO L225 Difference]: With dead ends: 119 [2021-10-11 02:26:12,614 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:26:12,615 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 02:26:12,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:26:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:26:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:26:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 02:26:12,622 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-11 02:26:12,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:12,622 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 02:26:12,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 02:26:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:26:12,623 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:12,623 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 02:26:12,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:12,839 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:12,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:12,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1803952717, now seen corresponding path program 1 times [2021-10-11 02:26:12,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:12,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262674461] [2021-10-11 02:26:12,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:13,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:13,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:13,117 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 02:26:13,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:13,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262674461] [2021-10-11 02:26:13,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:13,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:13,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495975486] [2021-10-11 02:26:13,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:13,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:13,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:13,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:13,121 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-10-11 02:26:13,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:13,168 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-10-11 02:26:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:13,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:26:13,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:13,170 INFO L225 Difference]: With dead ends: 92 [2021-10-11 02:26:13,177 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:26:13,178 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 02:26:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:26:13,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:26:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:26:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-11 02:26:13,186 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-11 02:26:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:13,186 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-11 02:26:13,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-11 02:26:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:26:13,188 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:13,188 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 02:26:13,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:13,405 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:13,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:13,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1055002865, now seen corresponding path program 1 times [2021-10-11 02:26:13,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:13,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805326447] [2021-10-11 02:26:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:13,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:13,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:13,635 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 02:26:13,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:13,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805326447] [2021-10-11 02:26:13,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:13,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:13,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803430542] [2021-10-11 02:26:13,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:13,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:13,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:13,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:13,638 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-10-11 02:26:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:13,727 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-10-11 02:26:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:13,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:26:13,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:13,732 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:26:13,733 INFO L226 Difference]: Without dead ends: 72 [2021-10-11 02:26:13,735 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 02:26:13,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-11 02:26:13,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-11 02:26:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-10-11 02:26:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-10-11 02:26:13,755 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-10-11 02:26:13,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:13,758 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-10-11 02:26:13,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-10-11 02:26:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:26:13,761 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:13,761 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 02:26:13,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:13,981 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:13,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:13,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1200859520, now seen corresponding path program 1 times [2021-10-11 02:26:13,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:13,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906625799] [2021-10-11 02:26:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:14,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:14,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:14,283 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 02:26:14,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:14,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906625799] [2021-10-11 02:26:14,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:14,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:14,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782492791] [2021-10-11 02:26:14,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:14,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:14,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:14,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:14,285 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2021-10-11 02:26:14,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:14,381 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-10-11 02:26:14,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:14,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:26:14,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:14,384 INFO L225 Difference]: With dead ends: 187 [2021-10-11 02:26:14,385 INFO L226 Difference]: Without dead ends: 123 [2021-10-11 02:26:14,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 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 02:26:14,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-11 02:26:14,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-10-11 02:26:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 02:26:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-11 02:26:14,409 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-10-11 02:26:14,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:14,410 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-11 02:26:14,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-10-11 02:26:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:26:14,413 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:14,413 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 02:26:14,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:14,620 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:14,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:14,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1966711683, now seen corresponding path program 1 times [2021-10-11 02:26:14,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:14,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371496056] [2021-10-11 02:26:14,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:14,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:14,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:14,915 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 02:26:14,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:14,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [371496056] [2021-10-11 02:26:14,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:14,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:14,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678849786] [2021-10-11 02:26:14,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:14,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:14,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:14,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:14,927 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 5 states. [2021-10-11 02:26:15,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:15,132 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2021-10-11 02:26:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:26:15,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:26:15,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:15,136 INFO L225 Difference]: With dead ends: 381 [2021-10-11 02:26:15,136 INFO L226 Difference]: Without dead ends: 311 [2021-10-11 02:26:15,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:26:15,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-11 02:26:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2021-10-11 02:26:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2021-10-11 02:26:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2021-10-11 02:26:15,180 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2021-10-11 02:26:15,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:15,181 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2021-10-11 02:26:15,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2021-10-11 02:26:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:26:15,182 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:15,182 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 02:26:15,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:26:15,397 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:15,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:15,398 INFO L82 PathProgramCache]: Analyzing trace with hash 895665153, now seen corresponding path program 1 times [2021-10-11 02:26:15,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:15,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166370588] [2021-10-11 02:26:15,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:15,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:26:15,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:15,640 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 02:26:15,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:15,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166370588] [2021-10-11 02:26:15,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:15,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:15,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640110858] [2021-10-11 02:26:15,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:26:15,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:15,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:26:15,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:26:15,643 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand 4 states. [2021-10-11 02:26:17,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:17,207 INFO L93 Difference]: Finished difference Result 316 states and 440 transitions. [2021-10-11 02:26:17,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:26:17,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:26:17,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:17,209 INFO L225 Difference]: With dead ends: 316 [2021-10-11 02:26:17,210 INFO L226 Difference]: Without dead ends: 246 [2021-10-11 02:26:17,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:26:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-10-11 02:26:17,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 239. [2021-10-11 02:26:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2021-10-11 02:26:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 327 transitions. [2021-10-11 02:26:17,238 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 327 transitions. Word has length 33 [2021-10-11 02:26:17,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:17,238 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 327 transitions. [2021-10-11 02:26:17,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:26:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 327 transitions. [2021-10-11 02:26:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:26:17,240 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:17,240 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 02:26:17,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:26:17,461 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:17,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:17,461 INFO L82 PathProgramCache]: Analyzing trace with hash -115452097, now seen corresponding path program 1 times [2021-10-11 02:26:17,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:17,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925708745] [2021-10-11 02:26:17,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:17,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:26:17,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:17,712 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 02:26:17,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:17,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925708745] [2021-10-11 02:26:17,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:17,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:17,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147633192] [2021-10-11 02:26:17,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:26:17,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:17,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:26:17,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:26:17,715 INFO L87 Difference]: Start difference. First operand 239 states and 327 transitions. Second operand 4 states. [2021-10-11 02:26:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:17,810 INFO L93 Difference]: Finished difference Result 630 states and 874 transitions. [2021-10-11 02:26:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:17,811 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:26:17,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:17,814 INFO L225 Difference]: With dead ends: 630 [2021-10-11 02:26:17,814 INFO L226 Difference]: Without dead ends: 441 [2021-10-11 02:26:17,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 02:26:17,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-10-11 02:26:17,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 240. [2021-10-11 02:26:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2021-10-11 02:26:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 327 transitions. [2021-10-11 02:26:17,844 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 327 transitions. Word has length 33 [2021-10-11 02:26:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:17,844 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 327 transitions. [2021-10-11 02:26:17,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:26:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 327 transitions. [2021-10-11 02:26:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:26:17,846 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:17,846 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 02:26:18,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:26:18,062 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:18,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:18,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1270109434, now seen corresponding path program 1 times [2021-10-11 02:26:18,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:18,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554749561] [2021-10-11 02:26:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:18,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:18,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:18,281 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 02:26:18,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:18,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554749561] [2021-10-11 02:26:18,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:18,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:18,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420959717] [2021-10-11 02:26:18,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:18,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:18,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:18,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:18,283 INFO L87 Difference]: Start difference. First operand 240 states and 327 transitions. Second operand 5 states. [2021-10-11 02:26:20,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:20,254 INFO L93 Difference]: Finished difference Result 669 states and 928 transitions. [2021-10-11 02:26:20,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:26:20,255 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:26:20,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:20,258 INFO L225 Difference]: With dead ends: 669 [2021-10-11 02:26:20,258 INFO L226 Difference]: Without dead ends: 435 [2021-10-11 02:26:20,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:26:20,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-10-11 02:26:20,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 209. [2021-10-11 02:26:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2021-10-11 02:26:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 275 transitions. [2021-10-11 02:26:20,287 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 275 transitions. Word has length 33 [2021-10-11 02:26:20,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:20,287 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 275 transitions. [2021-10-11 02:26:20,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 275 transitions. [2021-10-11 02:26:20,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:26:20,289 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:20,289 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 02:26:20,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:26:20,505 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:20,505 INFO L82 PathProgramCache]: Analyzing trace with hash 142713341, now seen corresponding path program 1 times [2021-10-11 02:26:20,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:20,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833171481] [2021-10-11 02:26:20,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:20,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:20,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:20,773 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 02:26:20,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:20,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833171481] [2021-10-11 02:26:20,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:20,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:20,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346082307] [2021-10-11 02:26:20,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:20,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:20,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:20,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:20,775 INFO L87 Difference]: Start difference. First operand 209 states and 275 transitions. Second operand 5 states. [2021-10-11 02:26:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:20,884 INFO L93 Difference]: Finished difference Result 571 states and 763 transitions. [2021-10-11 02:26:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:20,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:26:20,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:20,888 INFO L225 Difference]: With dead ends: 571 [2021-10-11 02:26:20,888 INFO L226 Difference]: Without dead ends: 368 [2021-10-11 02:26:20,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 02:26:20,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-10-11 02:26:20,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 197. [2021-10-11 02:26:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-10-11 02:26:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-11 02:26:20,921 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 33 [2021-10-11 02:26:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:20,922 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-11 02:26:20,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:20,922 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-11 02:26:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 02:26:20,923 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:20,923 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:21,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:26:21,137 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:21,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:21,139 INFO L82 PathProgramCache]: Analyzing trace with hash 749127781, now seen corresponding path program 1 times [2021-10-11 02:26:21,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:21,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375095002] [2021-10-11 02:26:21,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:21,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:26:21,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:26:21,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:21,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1375095002] [2021-10-11 02:26:21,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:21,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:21,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315194414] [2021-10-11 02:26:21,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:26:21,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:21,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:26:21,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:26:21,372 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 4 states. [2021-10-11 02:26:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:21,436 INFO L93 Difference]: Finished difference Result 422 states and 555 transitions. [2021-10-11 02:26:21,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:26:21,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2021-10-11 02:26:21,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:21,438 INFO L225 Difference]: With dead ends: 422 [2021-10-11 02:26:21,438 INFO L226 Difference]: Without dead ends: 256 [2021-10-11 02:26:21,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 02:26:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-10-11 02:26:21,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 186. [2021-10-11 02:26:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:26:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 240 transitions. [2021-10-11 02:26:21,467 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 240 transitions. Word has length 52 [2021-10-11 02:26:21,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:21,467 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 240 transitions. [2021-10-11 02:26:21,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:26:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 240 transitions. [2021-10-11 02:26:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:26:21,468 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:21,468 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:21,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:26:21,684 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:21,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:21,685 INFO L82 PathProgramCache]: Analyzing trace with hash 176703009, now seen corresponding path program 1 times [2021-10-11 02:26:21,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:21,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099191041] [2021-10-11 02:26:21,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/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 02:26:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:21,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:21,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:21,951 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 02:26:21,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:21,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099191041] [2021-10-11 02:26:21,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:21,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:21,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67921793] [2021-10-11 02:26:21,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:21,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:21,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:21,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:21,957 INFO L87 Difference]: Start difference. First operand 186 states and 240 transitions. Second operand 5 states. [2021-10-11 02:26:22,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:22,178 INFO L93 Difference]: Finished difference Result 983 states and 1252 transitions. [2021-10-11 02:26:22,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:26:22,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-10-11 02:26:22,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:22,185 INFO L225 Difference]: With dead ends: 983 [2021-10-11 02:26:22,185 INFO L226 Difference]: Without dead ends: 803 [2021-10-11 02:26:22,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:26:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-10-11 02:26:22,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 364. [2021-10-11 02:26:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-10-11 02:26:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 460 transitions. [2021-10-11 02:26:22,249 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 460 transitions. Word has length 53 [2021-10-11 02:26:22,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:22,250 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 460 transitions. [2021-10-11 02:26:22,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 460 transitions. [2021-10-11 02:26:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:26:22,258 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:22,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:22,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:26:22,473 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:22,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:22,474 INFO L82 PathProgramCache]: Analyzing trace with hash 53419547, now seen corresponding path program 1 times [2021-10-11 02:26:22,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:22,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109827062] [2021-10-11 02:26:22,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:22,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:22,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:22,750 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 02:26:22,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:22,787 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:26:22,788 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:26:22,866 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 02:26:22,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109827062] [2021-10-11 02:26:22,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1129343475] [2021-10-11 02:26:22,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:23,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:23,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:23,175 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 02:26:23,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:23,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:26:23,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:26:23,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377944273] [2021-10-11 02:26:23,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:23,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:23,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:23,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:26:23,177 INFO L87 Difference]: Start difference. First operand 364 states and 460 transitions. Second operand 5 states. [2021-10-11 02:26:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:23,344 INFO L93 Difference]: Finished difference Result 852 states and 1096 transitions. [2021-10-11 02:26:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:23,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:26:23,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:23,349 INFO L225 Difference]: With dead ends: 852 [2021-10-11 02:26:23,349 INFO L226 Difference]: Without dead ends: 544 [2021-10-11 02:26:23,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:26:23,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-10-11 02:26:23,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 376. [2021-10-11 02:26:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2021-10-11 02:26:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 472 transitions. [2021-10-11 02:26:23,430 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 472 transitions. Word has length 54 [2021-10-11 02:26:23,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:23,432 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 472 transitions. [2021-10-11 02:26:23,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 472 transitions. [2021-10-11 02:26:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:26:23,433 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:23,433 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:23,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:23,855 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:23,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:23,856 INFO L82 PathProgramCache]: Analyzing trace with hash 311584985, now seen corresponding path program 1 times [2021-10-11 02:26:23,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:23,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769678308] [2021-10-11 02:26:23,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:24,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:24,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:24,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:24,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769678308] [2021-10-11 02:26:24,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [731674010] [2021-10-11 02:26:24,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:24,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:26:24,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:24,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:24,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569508394] [2021-10-11 02:26:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:24,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:24,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:24,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:24,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:26:24,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-10-11 02:26:24,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469332188] [2021-10-11 02:26:24,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 02:26:24,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:24,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 02:26:24,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:26:24,698 INFO L87 Difference]: Start difference. First operand 376 states and 472 transitions. Second operand 9 states. [2021-10-11 02:26:27,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:27,579 INFO L93 Difference]: Finished difference Result 924 states and 1149 transitions. [2021-10-11 02:26:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:26:27,579 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2021-10-11 02:26:27,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:27,583 INFO L225 Difference]: With dead ends: 924 [2021-10-11 02:26:27,583 INFO L226 Difference]: Without dead ends: 554 [2021-10-11 02:26:27,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:26:27,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-10-11 02:26:27,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 354. [2021-10-11 02:26:27,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2021-10-11 02:26:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 430 transitions. [2021-10-11 02:26:27,656 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 430 transitions. Word has length 54 [2021-10-11 02:26:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:27,656 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 430 transitions. [2021-10-11 02:26:27,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 02:26:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 430 transitions. [2021-10-11 02:26:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:26:27,657 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:27,658 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:28,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:28,277 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:28,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:28,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1497135604, now seen corresponding path program 1 times [2021-10-11 02:26:28,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:28,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791889400] [2021-10-11 02:26:28,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:28,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:26:28,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:28,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:28,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791889400] [2021-10-11 02:26:28,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:28,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:28,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559793699] [2021-10-11 02:26:28,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:26:28,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:28,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:26:28,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:26:28,581 INFO L87 Difference]: Start difference. First operand 354 states and 430 transitions. Second operand 6 states. [2021-10-11 02:26:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:30,802 INFO L93 Difference]: Finished difference Result 1140 states and 1389 transitions. [2021-10-11 02:26:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 02:26:30,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-10-11 02:26:30,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:30,808 INFO L225 Difference]: With dead ends: 1140 [2021-10-11 02:26:30,808 INFO L226 Difference]: Without dead ends: 840 [2021-10-11 02:26:30,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:26:30,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2021-10-11 02:26:30,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 354. [2021-10-11 02:26:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2021-10-11 02:26:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 429 transitions. [2021-10-11 02:26:30,874 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 429 transitions. Word has length 55 [2021-10-11 02:26:30,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:30,874 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 429 transitions. [2021-10-11 02:26:30,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:26:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 429 transitions. [2021-10-11 02:26:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:26:30,876 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:30,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:31,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2021-10-11 02:26:31,089 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:31,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:31,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1078461655, now seen corresponding path program 1 times [2021-10-11 02:26:31,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:31,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215633035] [2021-10-11 02:26:31,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:31,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:31,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:31,352 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:31,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:31,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215633035] [2021-10-11 02:26:31,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1981289490] [2021-10-11 02:26:31,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:31,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:31,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:31,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:31,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133568403] [2021-10-11 02:26:31,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:31,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:31,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:31,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:26:32,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:26:32,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-10-11 02:26:32,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840564580] [2021-10-11 02:26:32,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 02:26:32,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:32,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 02:26:32,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:26:32,007 INFO L87 Difference]: Start difference. First operand 354 states and 429 transitions. Second operand 10 states. [2021-10-11 02:26:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:34,820 INFO L93 Difference]: Finished difference Result 2311 states and 2858 transitions. [2021-10-11 02:26:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-11 02:26:34,821 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2021-10-11 02:26:34,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:34,832 INFO L225 Difference]: With dead ends: 2311 [2021-10-11 02:26:34,832 INFO L226 Difference]: Without dead ends: 2011 [2021-10-11 02:26:34,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 314 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2021-10-11 02:26:34,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2021-10-11 02:26:34,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 492. [2021-10-11 02:26:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2021-10-11 02:26:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 603 transitions. [2021-10-11 02:26:34,930 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 603 transitions. Word has length 55 [2021-10-11 02:26:34,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:34,930 INFO L481 AbstractCegarLoop]: Abstraction has 492 states and 603 transitions. [2021-10-11 02:26:34,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 02:26:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 603 transitions. [2021-10-11 02:26:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-11 02:26:34,933 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:34,933 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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 02:26:35,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3,21 cvc4 --incremental --print-success --lang smt,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:35,541 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:35,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:35,541 INFO L82 PathProgramCache]: Analyzing trace with hash 103276133, now seen corresponding path program 1 times [2021-10-11 02:26:35,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:35,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902311084] [2021-10-11 02:26:35,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:35,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:35,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-11 02:26:35,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:35,911 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:26:35,911 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:26:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-11 02:26:35,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902311084] [2021-10-11 02:26:35,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1996928661] [2021-10-11 02:26:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:36,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:26:36,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-11 02:26:36,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-11 02:26:36,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460103052] [2021-10-11 02:26:36,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:36,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:26:36,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-11 02:26:37,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:37,172 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:26:37,173 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:26:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-11 02:26:37,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-11 02:26:37,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2021-10-11 02:26:37,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536481384] [2021-10-11 02:26:37,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:26:37,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:37,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:26:37,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-10-11 02:26:37,320 INFO L87 Difference]: Start difference. First operand 492 states and 603 transitions. Second operand 8 states. [2021-10-11 02:26:41,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:41,401 INFO L93 Difference]: Finished difference Result 2169 states and 2723 transitions. [2021-10-11 02:26:41,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-11 02:26:41,402 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2021-10-11 02:26:41,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:41,411 INFO L225 Difference]: With dead ends: 2169 [2021-10-11 02:26:41,411 INFO L226 Difference]: Without dead ends: 1683 [2021-10-11 02:26:41,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2021-10-11 02:26:41,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2021-10-11 02:26:41,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 737. [2021-10-11 02:26:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2021-10-11 02:26:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 913 transitions. [2021-10-11 02:26:41,589 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 913 transitions. Word has length 118 [2021-10-11 02:26:41,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:41,590 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 913 transitions. [2021-10-11 02:26:41,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:26:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 913 transitions. [2021-10-11 02:26:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-11 02:26:41,592 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:41,593 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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 02:26:42,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3,24 cvc4 --incremental --print-success --lang smt,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:42,205 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:42,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:42,206 INFO L82 PathProgramCache]: Analyzing trace with hash 76923233, now seen corresponding path program 2 times [2021-10-11 02:26:42,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:42,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157204603] [2021-10-11 02:26:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 26 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:42,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:42,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:42,489 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-11 02:26:42,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:42,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157204603] [2021-10-11 02:26:42,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:42,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:42,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102473489] [2021-10-11 02:26:42,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:42,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:42,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:42,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:42,491 INFO L87 Difference]: Start difference. First operand 737 states and 913 transitions. Second operand 5 states. [2021-10-11 02:26:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:42,595 INFO L93 Difference]: Finished difference Result 1041 states and 1277 transitions. [2021-10-11 02:26:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:42,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2021-10-11 02:26:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:42,597 INFO L225 Difference]: With dead ends: 1041 [2021-10-11 02:26:42,597 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:42,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 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 02:26:42,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:42,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:42,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2021-10-11 02:26:42,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:42,602 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:42,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:42,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:42,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 mathsat -unsat_core_generation=3 [2021-10-11 02:26:42,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:43,106 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2021-10-11 02:26:43,564 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 128 [2021-10-11 02:26:44,089 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 240 [2021-10-11 02:26:44,464 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 194 [2021-10-11 02:26:44,630 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 113 [2021-10-11 02:26:45,140 WARN L197 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 249 [2021-10-11 02:26:45,377 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 170 [2021-10-11 02:26:45,762 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 249 [2021-10-11 02:26:45,873 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 133 [2021-10-11 02:26:46,040 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 150 [2021-10-11 02:26:46,534 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 46 [2021-10-11 02:26:47,405 WARN L197 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 55 [2021-10-11 02:26:49,544 WARN L197 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 234 DAG size of output: 47 [2021-10-11 02:26:51,154 WARN L197 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 186 DAG size of output: 52 [2021-10-11 02:26:51,478 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 38 [2021-10-11 02:26:52,087 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 45 [2021-10-11 02:26:54,405 WARN L197 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 245 DAG size of output: 46 [2021-10-11 02:26:55,491 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 163 DAG size of output: 44 [2021-10-11 02:26:57,511 WARN L197 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 245 DAG size of output: 46 [2021-10-11 02:26:58,129 WARN L197 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 34 [2021-10-11 02:26:58,384 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 45 [2021-10-11 02:26:59,098 WARN L197 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 53 [2021-10-11 02:26:59,116 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-10-11 02:26:59,116 INFO L262 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2021-10-11 02:26:59,116 INFO L262 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2021-10-11 02:26:59,116 INFO L262 CegarLoopResult]: For program point L696-2(line 696) no Hoare annotation was computed. [2021-10-11 02:26:59,117 INFO L258 CegarLoopResult]: At program point L963(lines 948 966) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32))) (.cse9 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse10 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)))) (.cse11 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse7 .cse9 .cse8 .cse10 .cse11))) [2021-10-11 02:26:59,117 INFO L258 CegarLoopResult]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2021-10-11 02:26:59,117 INFO L258 CegarLoopResult]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2021-10-11 02:26:59,117 INFO L262 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-10-11 02:26:59,117 INFO L258 CegarLoopResult]: At program point L732-1(lines 732 738) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse8 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse10 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse3 .cse5) (and .cse1 .cse6 .cse3 .cse4 .cse11 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8 .cse9 .cse3 .cse10 .cse5))) [2021-10-11 02:26:59,118 INFO L258 CegarLoopResult]: At program point L567-2(lines 567 581) the Hoare annotation is: false [2021-10-11 02:26:59,118 INFO L262 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2021-10-11 02:26:59,118 INFO L262 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-10-11 02:26:59,118 INFO L262 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2021-10-11 02:26:59,118 INFO L262 CegarLoopResult]: For program point L535-2(lines 535 541) no Hoare annotation was computed. [2021-10-11 02:26:59,119 INFO L262 CegarLoopResult]: For program point L535-3(lines 535 541) no Hoare annotation was computed. [2021-10-11 02:26:59,119 INFO L262 CegarLoopResult]: For program point L535-4(lines 535 541) no Hoare annotation was computed. [2021-10-11 02:26:59,119 INFO L262 CegarLoopResult]: For program point L535-5(lines 535 541) no Hoare annotation was computed. [2021-10-11 02:26:59,119 INFO L262 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-10-11 02:26:59,119 INFO L262 CegarLoopResult]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-10-11 02:26:59,119 INFO L262 CegarLoopResult]: For program point L571-1(lines 778 784) no Hoare annotation was computed. [2021-10-11 02:26:59,120 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-10-11 02:26:59,120 INFO L262 CegarLoopResult]: For program point L836(lines 836 853) no Hoare annotation was computed. [2021-10-11 02:26:59,120 INFO L262 CegarLoopResult]: For program point L836-1(lines 836 853) no Hoare annotation was computed. [2021-10-11 02:26:59,120 INFO L262 CegarLoopResult]: For program point L836-2(lines 836 853) no Hoare annotation was computed. [2021-10-11 02:26:59,120 INFO L258 CegarLoopResult]: At program point L540(lines 531 544) the Hoare annotation is: false [2021-10-11 02:26:59,120 INFO L258 CegarLoopResult]: At program point L540-1(lines 531 544) the Hoare annotation is: (let ((.cse8 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse8 .cse3 .cse2 .cse5 .cse9) (and .cse0 .cse8 .cse3 .cse2 .cse4 .cse5 .cse9) (and .cse7 .cse0 .cse1 .cse3 .cse2 .cse5 .cse6))) [2021-10-11 02:26:59,121 INFO L258 CegarLoopResult]: At program point L540-2(lines 531 544) the Hoare annotation is: false [2021-10-11 02:26:59,121 INFO L258 CegarLoopResult]: At program point L540-3(lines 531 544) the Hoare annotation is: false [2021-10-11 02:26:59,121 INFO L258 CegarLoopResult]: At program point L540-4(lines 531 544) the Hoare annotation is: false [2021-10-11 02:26:59,123 INFO L258 CegarLoopResult]: At program point L540-5(lines 531 544) the Hoare annotation is: false [2021-10-11 02:26:59,123 INFO L262 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,123 INFO L262 CegarLoopResult]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,123 INFO L262 CegarLoopResult]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,123 INFO L262 CegarLoopResult]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,123 INFO L262 CegarLoopResult]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,123 INFO L262 CegarLoopResult]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,123 INFO L262 CegarLoopResult]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L840(lines 840 848) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L840-1(lines 840 848) no Hoare annotation was computed. [2021-10-11 02:26:59,124 INFO L262 CegarLoopResult]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2021-10-11 02:26:59,125 INFO L262 CegarLoopResult]: For program point L742(lines 742 755) no Hoare annotation was computed. [2021-10-11 02:26:59,125 INFO L262 CegarLoopResult]: For program point L643(lines 643 650) no Hoare annotation was computed. [2021-10-11 02:26:59,126 INFO L265 CegarLoopResult]: At program point L643-1(lines 643 650) the Hoare annotation is: true [2021-10-11 02:26:59,126 INFO L262 CegarLoopResult]: For program point L810(lines 810 827) no Hoare annotation was computed. [2021-10-11 02:26:59,126 INFO L262 CegarLoopResult]: For program point L810-1(lines 810 827) no Hoare annotation was computed. [2021-10-11 02:26:59,126 INFO L262 CegarLoopResult]: For program point L810-2(lines 810 827) no Hoare annotation was computed. [2021-10-11 02:26:59,126 INFO L262 CegarLoopResult]: For program point L810-3(lines 810 827) no Hoare annotation was computed. [2021-10-11 02:26:59,126 INFO L262 CegarLoopResult]: For program point L810-4(lines 810 827) no Hoare annotation was computed. [2021-10-11 02:26:59,126 INFO L262 CegarLoopResult]: For program point L810-5(lines 810 827) no Hoare annotation was computed. [2021-10-11 02:26:59,127 INFO L258 CegarLoopResult]: At program point L778(lines 777 796) the Hoare annotation is: (let ((.cse11 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse9 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse3 .cse8 .cse9 .cse10 .cse5) (and .cse0 .cse1 .cse11 .cse4 .cse3 .cse5) (and .cse1 .cse11 .cse3 .cse4 .cse10 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse8 .cse3 .cse9 .cse5))) [2021-10-11 02:26:59,127 INFO L262 CegarLoopResult]: For program point L778-1(lines 778 784) no Hoare annotation was computed. [2021-10-11 02:26:59,127 INFO L258 CegarLoopResult]: At program point L778-2(lines 777 796) the Hoare annotation is: false [2021-10-11 02:26:59,127 INFO L258 CegarLoopResult]: At program point L679(lines 1 974) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:59,127 INFO L258 CegarLoopResult]: At program point L778-3(lines 777 796) the Hoare annotation is: false [2021-10-11 02:26:59,127 INFO L258 CegarLoopResult]: At program point L944(lines 929 947) the Hoare annotation is: false [2021-10-11 02:26:59,128 INFO L258 CegarLoopResult]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse9 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse15 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse11 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse8 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse13 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse2 .cse10 .cse11 .cse4 .cse5 .cse7 .cse12 .cse8 .cse13 .cse14) (and .cse15 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse15 .cse2 .cse10 .cse11 .cse4 .cse5 .cse12 .cse8 .cse13 .cse14))) [2021-10-11 02:26:59,128 INFO L258 CegarLoopResult]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2021-10-11 02:26:59,128 INFO L258 CegarLoopResult]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2021-10-11 02:26:59,128 INFO L258 CegarLoopResult]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2021-10-11 02:26:59,128 INFO L258 CegarLoopResult]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point L713(lines 712 759) no Hoare annotation was computed. [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2021-10-11 02:26:59,129 INFO L262 CegarLoopResult]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2021-10-11 02:26:59,130 INFO L262 CegarLoopResult]: For program point L814-4(lines 814 822) no Hoare annotation was computed. [2021-10-11 02:26:59,130 INFO L262 CegarLoopResult]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2021-10-11 02:26:59,130 INFO L258 CegarLoopResult]: At program point L616(lines 612 618) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:59,131 INFO L258 CegarLoopResult]: At program point L550(lines 545 553) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse3 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse6 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse8 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse8) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse2 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-11 02:26:59,131 INFO L258 CegarLoopResult]: At program point L550-1(lines 545 553) the Hoare annotation is: false [2021-10-11 02:26:59,131 INFO L258 CegarLoopResult]: At program point L550-2(lines 545 553) the Hoare annotation is: false [2021-10-11 02:26:59,131 INFO L262 CegarLoopResult]: For program point L750(lines 750 754) no Hoare annotation was computed. [2021-10-11 02:26:59,131 INFO L258 CegarLoopResult]: At program point L750-2(lines 778 784) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse8 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse10 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse3 .cse5) (and .cse1 .cse6 .cse3 .cse4 .cse11 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8 .cse9 .cse3 .cse10 .cse5))) [2021-10-11 02:26:59,132 INFO L265 CegarLoopResult]: At program point L652(lines 633 655) the Hoare annotation is: true [2021-10-11 02:26:59,132 INFO L262 CegarLoopResult]: For program point L421(lines 421 441) no Hoare annotation was computed. [2021-10-11 02:26:59,132 INFO L262 CegarLoopResult]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2021-10-11 02:26:59,132 INFO L262 CegarLoopResult]: For program point L421-4(lines 421 441) no Hoare annotation was computed. [2021-10-11 02:26:59,132 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:59,132 INFO L258 CegarLoopResult]: At program point L785(lines 785 791) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse8 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse11 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse12 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse13 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse4 .cse3 .cse6 .cse5) (and .cse1 .cse7 .cse8 .cse3 .cse9 .cse10 .cse6 .cse11 .cse5 .cse12 .cse13) (and .cse0 .cse1 .cse7 .cse8 .cse9 .cse10 .cse3 .cse11 .cse5 .cse12 .cse13))) [2021-10-11 02:26:59,132 INFO L258 CegarLoopResult]: At program point L785-1(lines 785 791) the Hoare annotation is: false [2021-10-11 02:26:59,133 INFO L258 CegarLoopResult]: At program point L785-2(lines 785 791) the Hoare annotation is: false [2021-10-11 02:26:59,133 INFO L258 CegarLoopResult]: At program point L687(lines 682 690) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:59,133 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:59,133 INFO L262 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-10-11 02:26:59,133 INFO L258 CegarLoopResult]: At program point L722-1(lines 722 728) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse12 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse9 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse13 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse10 .cse3 .cse11 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse12 .cse3 .cse2 .cse13 .cse5) (and .cse0 .cse1 .cse12 .cse3 .cse2 .cse4 .cse5 .cse7) (and .cse1 .cse2 .cse3 .cse13 .cse5 .cse6) (and .cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) .cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse9 .cse3 .cse10 .cse11 .cse13 .cse5 .cse6))) [2021-10-11 02:26:59,133 INFO L262 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-11 02:26:59,134 INFO L262 CegarLoopResult]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2021-10-11 02:26:59,134 INFO L262 CegarLoopResult]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2021-10-11 02:26:59,135 INFO L258 CegarLoopResult]: At program point L889(lines 884 892) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32))) [2021-10-11 02:26:59,135 INFO L258 CegarLoopResult]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2021-10-11 02:26:59,135 INFO L258 CegarLoopResult]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2021-10-11 02:26:59,135 INFO L262 CegarLoopResult]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-10-11 02:26:59,135 INFO L258 CegarLoopResult]: At program point L427-1(lines 1 974) the Hoare annotation is: (let ((.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse11 (= (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse13 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse14 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse7 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse10 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse12 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse15 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse8 .cse0 .cse13 .cse14 .cse2 .cse11 .cse4 .cse5) (and .cse0 .cse13 .cse2 .cse14 .cse15 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse3 .cse4 .cse6 .cse7 .cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse12 .cse15))) [2021-10-11 02:26:59,136 INFO L262 CegarLoopResult]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2021-10-11 02:26:59,136 INFO L258 CegarLoopResult]: At program point L427-3(lines 1 974) the Hoare annotation is: false [2021-10-11 02:26:59,136 INFO L262 CegarLoopResult]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2021-10-11 02:26:59,136 INFO L258 CegarLoopResult]: At program point L427-5(lines 1 974) the Hoare annotation is: false [2021-10-11 02:26:59,136 INFO L258 CegarLoopResult]: At program point L527(lines 522 530) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse5 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv0 32) ~pumpRunning~0) .cse3 .cse4 .cse5 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)) .cse2 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))))) [2021-10-11 02:26:59,136 INFO L258 CegarLoopResult]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2021-10-11 02:26:59,137 INFO L258 CegarLoopResult]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2021-10-11 02:26:59,137 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:59,137 INFO L262 CegarLoopResult]: For program point L957(lines 957 961) no Hoare annotation was computed. [2021-10-11 02:26:59,137 INFO L262 CegarLoopResult]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2021-10-11 02:26:59,137 INFO L262 CegarLoopResult]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2021-10-11 02:26:59,137 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-10-11 02:26:59,137 INFO L262 CegarLoopResult]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2021-10-11 02:26:59,138 INFO L262 CegarLoopResult]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2021-10-11 02:26:59,138 INFO L262 CegarLoopResult]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2021-10-11 02:26:59,138 INFO L258 CegarLoopResult]: At program point L495(lines 490 498) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse10 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|)) (.cse11 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse13 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse14 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse15 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse6 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse4 .cse11 .cse12 .cse5 .cse13 .cse14 .cse6 .cse15) (and .cse7 .cse0 .cse9 .cse10 .cse4 .cse11 .cse12 .cse13 .cse6 .cse8 .cse14 .cse15))) [2021-10-11 02:26:59,138 INFO L258 CegarLoopResult]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2021-10-11 02:26:59,138 INFO L258 CegarLoopResult]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2021-10-11 02:26:59,138 INFO L258 CegarLoopResult]: At program point L760(lines 711 761) the Hoare annotation is: false [2021-10-11 02:26:59,138 INFO L262 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-10-11 02:26:59,139 INFO L262 CegarLoopResult]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2021-10-11 02:26:59,139 INFO L262 CegarLoopResult]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2021-10-11 02:26:59,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:59 BoogieIcfgContainer [2021-10-11 02:26:59,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:59,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:59,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:59,224 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:59,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:11" (3/4) ... [2021-10-11 02:26:59,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:59,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:26:59,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:26:59,259 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:26:59,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:26:59,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:26:59,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:59,264 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:59,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:26:59,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:26:59,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && 1bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) [2021-10-11 02:26:59,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:26:59,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:59,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:59,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:59,300 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 1bv32 == tmp) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == tmp) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:26:59,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 1bv32 == tmp) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result)) || (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:26:59,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:59,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) [2021-10-11 02:26:59,304 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:26:59,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) || ((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:26:59,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp___0 == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:26:59,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 2bv32 == tmp___0) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32 [2021-10-11 02:26:59,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cc545d-1f9a-4dbf-afcb-5bff37547748/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:59,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:59,409 INFO L168 Benchmark]: Toolchain (without parser) took 51812.27 ms. Allocated memory was 65.0 MB in the beginning and 281.0 MB in the end (delta: 216.0 MB). Free memory was 44.4 MB in the beginning and 209.4 MB in the end (delta: -165.0 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:59,409 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:59,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.98 ms. Allocated memory is still 65.0 MB. Free memory was 44.2 MB in the beginning and 31.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:59,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.50 ms. Allocated memory was 65.0 MB in the beginning and 102.8 MB in the end (delta: 37.7 MB). Free memory was 31.9 MB in the beginning and 85.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:59,411 INFO L168 Benchmark]: Boogie Preprocessor took 60.10 ms. Allocated memory is still 102.8 MB. Free memory was 85.3 MB in the beginning and 82.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:59,411 INFO L168 Benchmark]: RCFGBuilder took 3059.03 ms. Allocated memory is still 102.8 MB. Free memory was 82.4 MB in the beginning and 78.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:59,412 INFO L168 Benchmark]: TraceAbstraction took 47611.13 ms. Allocated memory was 102.8 MB in the beginning and 281.0 MB in the end (delta: 178.3 MB). Free memory was 78.7 MB in the beginning and 219.9 MB in the end (delta: -141.2 MB). Peak memory consumption was 170.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:59,412 INFO L168 Benchmark]: Witness Printer took 183.93 ms. Allocated memory is still 281.0 MB. Free memory was 219.9 MB in the beginning and 209.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:59,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 766.98 ms. Allocated memory is still 65.0 MB. Free memory was 44.2 MB in the beginning and 31.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.50 ms. Allocated memory was 65.0 MB in the beginning and 102.8 MB in the end (delta: 37.7 MB). Free memory was 31.9 MB in the beginning and 85.3 MB in the end (delta: -53.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.10 ms. Allocated memory is still 102.8 MB. Free memory was 85.3 MB in the beginning and 82.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3059.03 ms. Allocated memory is still 102.8 MB. Free memory was 82.4 MB in the beginning and 78.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 47611.13 ms. Allocated memory was 102.8 MB in the beginning and 281.0 MB in the end (delta: 178.3 MB). Free memory was 78.7 MB in the beginning and 219.9 MB in the end (delta: -141.2 MB). Peak memory consumption was 170.1 MB. Max. memory is 16.1 GB. * Witness Printer took 183.93 ms. Allocated memory is still 281.0 MB. Free memory was 219.9 MB in the beginning and 209.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: 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: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) || ((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && 1bv32 == tmp) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 2bv32 == tmp___0) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && \result == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 1bv32 == tmp) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result)) || (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((((((((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 2bv32 == tmp___0) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 1bv32 == tmp) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == tmp) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((((((((((tmp___0 == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && tmp___0 == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.1s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2063 SDtfs, 3944 SDslu, 4449 SDs, 0 SdLazy, 778 SolverSat, 138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2132 GetRequests, 1992 SyntacticMatches, 2 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 4670 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 169 NumberOfFragments, 1839 HoareAnnotationTreeSize, 46 FomulaSimplifications, 31311837 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 7413663 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1350 NumberOfCodeBlocks, 1350 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2050 ConstructedInterpolants, 0 QuantifiedInterpolants, 479426 SizeOfPredicates, 67 NumberOfNonLiveVariables, 6117 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 35 InterpolantComputations, 16 PerfectInterpolantSequences, 1086/1520 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...