./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 509af06f1a7d0e447633255d4acb572bd82e2db9 ............................................................................................................................................ 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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 509af06f1a7d0e447633255d4acb572bd82e2db9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:30:11,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:11,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:11,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:11,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:11,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:11,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:11,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:11,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:11,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:11,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:11,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:11,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:11,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:11,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:11,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:11,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:11,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:11,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:11,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:11,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:11,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:11,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:11,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:11,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:11,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:11,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:11,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:11,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:11,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:11,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:11,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:11,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:11,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:11,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:11,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:11,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:11,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:11,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:11,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:11,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:11,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:30:11,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:11,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:11,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:11,152 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:11,152 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:11,152 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:11,152 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:11,153 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:11,153 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:11,153 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:11,153 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:11,153 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:11,154 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:11,154 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:11,154 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:11,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:11,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:11,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:11,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:11,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:11,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:11,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:11,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:11,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:11,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:11,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:11,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:11,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:11,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:11,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:11,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:11,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:11,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:11,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:11,159 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:11,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:11,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:11,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:11,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:11,160 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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509af06f1a7d0e447633255d4acb572bd82e2db9 [2021-10-11 02:30:11,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:11,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:11,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:11,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:11,446 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:11,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-11 02:30:11,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/2538eb1a2/606166eb807d4e3c9c6834430b25a256/FLAG89ae55ea8 [2021-10-11 02:30:12,096 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:12,097 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-11 02:30:12,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/2538eb1a2/606166eb807d4e3c9c6834430b25a256/FLAG89ae55ea8 [2021-10-11 02:30:12,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/2538eb1a2/606166eb807d4e3c9c6834430b25a256 [2021-10-11 02:30:12,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:12,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:12,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:12,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:12,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:12,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efbd8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12, skipping insertion in model container [2021-10-11 02:30:12,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:12" (1/1) ... [2021-10-11 02:30:12,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:12,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:12,731 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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] [2021-10-11 02:30:12,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:12,846 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 02:30:12,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76aa5633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:12, skipping insertion in model container [2021-10-11 02:30:12,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:12,847 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:12,850 INFO L168 Benchmark]: Toolchain (without parser) took 439.42 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 56.6 MB in the beginning and 89.0 MB in the end (delta: -32.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,851 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 46.2 MB in the beginning and 46.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:12,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.67 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 56.5 MB in the beginning and 89.3 MB in the end (delta: -32.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:12,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 46.2 MB in the beginning and 46.1 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.67 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 56.5 MB in the beginning and 89.3 MB in the end (delta: -32.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 618]: 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 02:30:15,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:15,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:15,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:15,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:15,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:15,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:15,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:15,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:15,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:15,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:15,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:15,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:15,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:15,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:15,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:15,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:15,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:15,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:15,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:15,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:15,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:15,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:15,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:15,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:15,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:15,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:15,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:15,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:15,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:15,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:15,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:15,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:15,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:15,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:15,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:15,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:15,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:15,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:15,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:15,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:15,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:30:15,422 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:15,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:15,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:15,424 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:15,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:15,425 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:15,425 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:15,425 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:15,425 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:15,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:15,428 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:30:15,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:30:15,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:15,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:15,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:15,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:15,429 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:15,429 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:15,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:15,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:30:15,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:15,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:15,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:15,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:15,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:15,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:15,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:15,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:15,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:15,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:15,432 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:15,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:15,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:15,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:15,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:15,434 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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509af06f1a7d0e447633255d4acb572bd82e2db9 [2021-10-11 02:30:15,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:15,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:15,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:15,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:15,888 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:15,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-11 02:30:15,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/8e054ac9c/34271f0306234e25b22a1076208696a6/FLAG048911773 [2021-10-11 02:30:16,630 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:16,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-11 02:30:16,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/8e054ac9c/34271f0306234e25b22a1076208696a6/FLAG048911773 [2021-10-11 02:30:16,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/data/8e054ac9c/34271f0306234e25b22a1076208696a6 [2021-10-11 02:30:16,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:16,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:16,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:16,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:16,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:16,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:16,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a42b94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:16, skipping insertion in model container [2021-10-11 02:30:16,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:16" (1/1) ... [2021-10-11 02:30:16,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:17,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:17,336 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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] [2021-10-11 02:30:17,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:17,443 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:17,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:17,485 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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] [2021-10-11 02:30:17,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:17,550 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:17,606 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_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[6695,6708] [2021-10-11 02:30:17,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:17,710 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:17,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17 WrapperNode [2021-10-11 02:30:17,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:17,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:17,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:17,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:17,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:17,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:17,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:17,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:17,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... [2021-10-11 02:30:17,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:17,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:17,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:17,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:17,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:20,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:20,479 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-11 02:30:20,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:20 BoogieIcfgContainer [2021-10-11 02:30:20,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:20,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:20,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:20,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:20,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:16" (1/3) ... [2021-10-11 02:30:20,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1214f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:20, skipping insertion in model container [2021-10-11 02:30:20,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:17" (2/3) ... [2021-10-11 02:30:20,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1214f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:20, skipping insertion in model container [2021-10-11 02:30:20,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:20" (3/3) ... [2021-10-11 02:30:20,493 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2021-10-11 02:30:20,507 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:20,511 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:20,522 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:20,562 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:20,562 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:20,562 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:20,562 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:20,563 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:20,563 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:20,563 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:20,563 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2021-10-11 02:30:20,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:30:20,589 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:20,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:20,591 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:20,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2021-10-11 02:30:20,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:20,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477396497] [2021-10-11 02:30:20,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:20,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:20,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:20,899 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 02:30:20,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:20,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477396497] [2021-10-11 02:30:20,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:20,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:20,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87521055] [2021-10-11 02:30:20,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:20,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:20,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:20,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:20,924 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2021-10-11 02:30:20,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:20,974 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2021-10-11 02:30:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:20,976 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:30:20,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:20,990 INFO L225 Difference]: With dead ends: 252 [2021-10-11 02:30:20,990 INFO L226 Difference]: Without dead ends: 125 [2021-10-11 02:30:20,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:21,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-11 02:30:21,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-10-11 02:30:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2021-10-11 02:30:21,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2021-10-11 02:30:21,067 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2021-10-11 02:30:21,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:21,067 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2021-10-11 02:30:21,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2021-10-11 02:30:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:30:21,069 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:21,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:21,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:21,286 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:21,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:21,287 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2021-10-11 02:30:21,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:21,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681424337] [2021-10-11 02:30:21,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:21,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:21,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:21,569 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 02:30:21,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:21,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681424337] [2021-10-11 02:30:21,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:21,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:21,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001119420] [2021-10-11 02:30:21,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:21,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:21,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:21,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:21,573 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2021-10-11 02:30:21,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:21,586 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2021-10-11 02:30:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:21,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:30:21,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:21,588 INFO L225 Difference]: With dead ends: 125 [2021-10-11 02:30:21,588 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:30:21,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:21,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:30:21,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:30:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:30:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-11 02:30:21,596 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2021-10-11 02:30:21,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:21,597 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-11 02:30:21,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-11 02:30:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:21,598 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:21,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:21,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:21,814 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:21,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:21,814 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2021-10-11 02:30:21,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:21,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105201107] [2021-10-11 02:30:21,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,046 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 02:30:22,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:22,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105201107] [2021-10-11 02:30:22,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:22,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:22,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757990636] [2021-10-11 02:30:22,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:22,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:22,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:22,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:22,048 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2021-10-11 02:30:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:22,082 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2021-10-11 02:30:22,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:22,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:30:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:22,084 INFO L225 Difference]: With dead ends: 96 [2021-10-11 02:30:22,084 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:30:22,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:22,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:30:22,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:30:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:30:22,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-11 02:30:22,092 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2021-10-11 02:30:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:22,093 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-11 02:30:22,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-11 02:30:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:22,094 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:22,094 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 02:30:22,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:22,310 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:22,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:22,311 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2021-10-11 02:30:22,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:22,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1612702514] [2021-10-11 02:30:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:22,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:22,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:22,602 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 02:30:22,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:22,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1612702514] [2021-10-11 02:30:22,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:22,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:22,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674249628] [2021-10-11 02:30:22,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:22,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:22,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:22,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:22,607 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2021-10-11 02:30:22,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:22,661 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2021-10-11 02:30:22,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:22,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:22,667 INFO L225 Difference]: With dead ends: 117 [2021-10-11 02:30:22,667 INFO L226 Difference]: Without dead ends: 72 [2021-10-11 02:30:22,671 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 02:30:22,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-11 02:30:22,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-11 02:30:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-10-11 02:30:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2021-10-11 02:30:22,696 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2021-10-11 02:30:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:22,698 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2021-10-11 02:30:22,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2021-10-11 02:30:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:30:22,700 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:22,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:22,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:22,919 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:22,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:22,919 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2021-10-11 02:30:22,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:22,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501638685] [2021-10-11 02:30:22,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:23,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:23,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:23,169 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 02:30:23,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:23,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501638685] [2021-10-11 02:30:23,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:23,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:23,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97137258] [2021-10-11 02:30:23,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:23,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:23,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:23,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:23,172 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2021-10-11 02:30:23,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:23,363 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2021-10-11 02:30:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:30:23,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:30:23,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:23,367 INFO L225 Difference]: With dead ends: 335 [2021-10-11 02:30:23,367 INFO L226 Difference]: Without dead ends: 271 [2021-10-11 02:30:23,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:30:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-10-11 02:30:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2021-10-11 02:30:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:30:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2021-10-11 02:30:23,390 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2021-10-11 02:30:23,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:23,391 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2021-10-11 02:30:23,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-10-11 02:30:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:23,392 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:23,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:23,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:23,610 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:23,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:23,611 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2021-10-11 02:30:23,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:23,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709222962] [2021-10-11 02:30:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:23,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:23,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:23,848 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 02:30:23,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:23,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709222962] [2021-10-11 02:30:23,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:23,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:23,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006505994] [2021-10-11 02:30:23,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:23,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:23,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:23,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:23,850 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2021-10-11 02:30:24,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:24,017 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2021-10-11 02:30:24,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:24,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:30:24,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:24,020 INFO L225 Difference]: With dead ends: 366 [2021-10-11 02:30:24,020 INFO L226 Difference]: Without dead ends: 364 [2021-10-11 02:30:24,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 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 02:30:24,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-11 02:30:24,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2021-10-11 02:30:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:30:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2021-10-11 02:30:24,040 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2021-10-11 02:30:24,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:24,041 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2021-10-11 02:30:24,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2021-10-11 02:30:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:24,042 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:24,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:24,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:24,258 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:24,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:24,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2021-10-11 02:30:24,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:24,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917975160] [2021-10-11 02:30:24,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:24,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:24,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:24,558 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 02:30:24,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:24,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917975160] [2021-10-11 02:30:24,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:24,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:24,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168384012] [2021-10-11 02:30:24,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:24,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:24,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:24,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:24,564 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2021-10-11 02:30:24,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:24,684 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2021-10-11 02:30:24,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:24,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:30:24,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:24,688 INFO L225 Difference]: With dead ends: 336 [2021-10-11 02:30:24,688 INFO L226 Difference]: Without dead ends: 214 [2021-10-11 02:30:24,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:30:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-10-11 02:30:24,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2021-10-11 02:30:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:30:24,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2021-10-11 02:30:24,715 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2021-10-11 02:30:24,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:24,716 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2021-10-11 02:30:24,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:24,716 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2021-10-11 02:30:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:24,721 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:24,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:24,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:24,934 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:24,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:24,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2021-10-11 02:30:24,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:24,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050954392] [2021-10-11 02:30:24,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:25,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:25,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:25,275 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 02:30:25,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:25,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050954392] [2021-10-11 02:30:25,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:25,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:25,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534072380] [2021-10-11 02:30:25,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:25,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:25,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:25,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:25,278 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2021-10-11 02:30:25,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:25,354 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2021-10-11 02:30:25,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:25,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:30:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:25,358 INFO L225 Difference]: With dead ends: 332 [2021-10-11 02:30:25,360 INFO L226 Difference]: Without dead ends: 198 [2021-10-11 02:30:25,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:25,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-11 02:30:25,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2021-10-11 02:30:25,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2021-10-11 02:30:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2021-10-11 02:30:25,382 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2021-10-11 02:30:25,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:25,383 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2021-10-11 02:30:25,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2021-10-11 02:30:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:25,387 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:25,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:25,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:25,610 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:25,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:25,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2021-10-11 02:30:25,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:25,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739580767] [2021-10-11 02:30:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:25,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:25,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:25,871 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 02:30:25,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:25,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739580767] [2021-10-11 02:30:25,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:25,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:25,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667809505] [2021-10-11 02:30:25,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:25,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:25,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:25,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:25,873 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2021-10-11 02:30:25,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:25,923 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2021-10-11 02:30:25,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:25,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:30:25,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:25,926 INFO L225 Difference]: With dead ends: 340 [2021-10-11 02:30:25,926 INFO L226 Difference]: Without dead ends: 198 [2021-10-11 02:30:25,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:25,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-10-11 02:30:25,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-10-11 02:30:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:30:25,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2021-10-11 02:30:25,953 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2021-10-11 02:30:25,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:25,953 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2021-10-11 02:30:25,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2021-10-11 02:30:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:30:25,955 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:25,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:26,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:26,168 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:26,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:26,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2021-10-11 02:30:26,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:26,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042961275] [2021-10-11 02:30:26,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:26,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:26,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:26,457 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 02:30:26,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:26,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042961275] [2021-10-11 02:30:26,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:26,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:30:26,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891691319] [2021-10-11 02:30:26,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:26,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:26,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:26,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:26,463 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2021-10-11 02:30:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:28,208 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2021-10-11 02:30:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 02:30:28,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:30:28,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:28,212 INFO L225 Difference]: With dead ends: 666 [2021-10-11 02:30:28,212 INFO L226 Difference]: Without dead ends: 474 [2021-10-11 02:30:28,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:30:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-10-11 02:30:28,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2021-10-11 02:30:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2021-10-11 02:30:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2021-10-11 02:30:28,241 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2021-10-11 02:30:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:28,242 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2021-10-11 02:30:28,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2021-10-11 02:30:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:30:28,243 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:28,243 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 02:30:28,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:28,459 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:28,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:28,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2021-10-11 02:30:28,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:28,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159685819] [2021-10-11 02:30:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/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 02:30:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:28,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:28,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:28,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:28,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159685819] [2021-10-11 02:30:28,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:28,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:30:28,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622745383] [2021-10-11 02:30:28,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:28,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:28,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:28,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:28,749 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 6 states. [2021-10-11 02:30:30,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:30,562 INFO L93 Difference]: Finished difference Result 497 states and 639 transitions. [2021-10-11 02:30:30,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:30:30,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2021-10-11 02:30:30,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:30,564 INFO L225 Difference]: With dead ends: 497 [2021-10-11 02:30:30,564 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:30,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:30:30,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:30,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:30,570 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-11 02:30:30,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:30,570 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:30,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:30,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:30,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:30:30,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:31,189 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 93 [2021-10-11 02:30:31,372 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 93 [2021-10-11 02:30:31,584 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 94 [2021-10-11 02:30:31,829 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2021-10-11 02:30:32,065 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 93 [2021-10-11 02:30:32,817 WARN L197 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 14 [2021-10-11 02:30:33,560 WARN L197 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 14 [2021-10-11 02:30:33,664 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2021-10-11 02:30:33,950 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2021-10-11 02:30:34,556 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2021-10-11 02:30:34,875 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2021-10-11 02:30:35,139 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2021-10-11 02:30:35,694 WARN L197 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 17 [2021-10-11 02:30:36,062 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 17 [2021-10-11 02:30:36,488 WARN L197 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 14 [2021-10-11 02:30:36,506 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2021-10-11 02:30:36,506 INFO L258 CegarLoopResult]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse3))) [2021-10-11 02:30:36,506 INFO L258 CegarLoopResult]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2021-10-11 02:30:36,506 INFO L258 CegarLoopResult]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2021-10-11 02:30:36,507 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 02:30:36,507 INFO L262 CegarLoopResult]: For program point L502(lines 502 506) no Hoare annotation was computed. [2021-10-11 02:30:36,507 INFO L262 CegarLoopResult]: For program point L502-3(lines 502 506) no Hoare annotation was computed. [2021-10-11 02:30:36,507 INFO L262 CegarLoopResult]: For program point L502-6(lines 502 506) no Hoare annotation was computed. [2021-10-11 02:30:36,508 INFO L258 CegarLoopResult]: At program point L337-2(lines 337 351) the Hoare annotation is: false [2021-10-11 02:30:36,508 INFO L262 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2021-10-11 02:30:36,508 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2021-10-11 02:30:36,509 INFO L262 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,509 INFO L262 CegarLoopResult]: For program point L307-2(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,510 INFO L262 CegarLoopResult]: For program point L307-3(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,510 INFO L262 CegarLoopResult]: For program point L307-5(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,510 INFO L262 CegarLoopResult]: For program point L307-6(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,510 INFO L262 CegarLoopResult]: For program point L307-8(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,510 INFO L262 CegarLoopResult]: For program point L307-9(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,511 INFO L262 CegarLoopResult]: For program point L307-11(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,511 INFO L262 CegarLoopResult]: For program point L307-12(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,511 INFO L262 CegarLoopResult]: For program point L307-14(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,511 INFO L262 CegarLoopResult]: For program point L307-15(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,511 INFO L262 CegarLoopResult]: For program point L307-17(lines 307 311) no Hoare annotation was computed. [2021-10-11 02:30:36,512 INFO L258 CegarLoopResult]: At program point L539(lines 534 542) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:30:36,512 INFO L258 CegarLoopResult]: At program point L539-1(lines 534 542) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:36,513 INFO L258 CegarLoopResult]: At program point L539-2(lines 534 542) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:30:36,514 INFO L258 CegarLoopResult]: At program point L539-3(lines 534 542) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= (_ bv0 32) ~pumpRunning~0) .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:30:36,515 INFO L258 CegarLoopResult]: At program point L539-4(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,515 INFO L258 CegarLoopResult]: At program point L539-5(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,515 INFO L258 CegarLoopResult]: At program point L539-6(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,515 INFO L262 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-11 02:30:36,515 INFO L258 CegarLoopResult]: At program point L539-7(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,515 INFO L262 CegarLoopResult]: For program point L341-1(lines 130 136) no Hoare annotation was computed. [2021-10-11 02:30:36,515 INFO L258 CegarLoopResult]: At program point L539-8(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,516 INFO L258 CegarLoopResult]: At program point L539-9(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,516 INFO L258 CegarLoopResult]: At program point L539-10(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,516 INFO L258 CegarLoopResult]: At program point L539-11(lines 534 542) the Hoare annotation is: false [2021-10-11 02:30:36,516 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 02:30:36,516 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:30:36,517 INFO L262 CegarLoopResult]: For program point L477(lines 477 490) no Hoare annotation was computed. [2021-10-11 02:30:36,517 INFO L258 CegarLoopResult]: At program point L477-1(lines 1 954) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:30:36,517 INFO L262 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2021-10-11 02:30:36,518 INFO L262 CegarLoopResult]: For program point L477-2(lines 477 490) no Hoare annotation was computed. [2021-10-11 02:30:36,518 INFO L258 CegarLoopResult]: At program point L477-3(lines 1 954) the Hoare annotation is: false [2021-10-11 02:30:36,518 INFO L265 CegarLoopResult]: At program point L411-1(lines 411 418) the Hoare annotation is: true [2021-10-11 02:30:36,518 INFO L262 CegarLoopResult]: For program point L477-4(lines 477 490) no Hoare annotation was computed. [2021-10-11 02:30:36,518 INFO L258 CegarLoopResult]: At program point L477-5(lines 1 954) the Hoare annotation is: false [2021-10-11 02:30:36,518 INFO L258 CegarLoopResult]: At program point L313(lines 298 316) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:36,518 INFO L258 CegarLoopResult]: At program point L313-1(lines 298 316) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:30:36,519 INFO L258 CegarLoopResult]: At program point L313-2(lines 298 316) the Hoare annotation is: false [2021-10-11 02:30:36,519 INFO L258 CegarLoopResult]: At program point L313-3(lines 298 316) the Hoare annotation is: false [2021-10-11 02:30:36,519 INFO L258 CegarLoopResult]: At program point L313-4(lines 298 316) the Hoare annotation is: false [2021-10-11 02:30:36,519 INFO L258 CegarLoopResult]: At program point L313-5(lines 298 316) the Hoare annotation is: false [2021-10-11 02:30:36,519 INFO L262 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-11 02:30:36,519 INFO L262 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2021-10-11 02:30:36,519 INFO L262 CegarLoopResult]: For program point L579-2(lines 579 585) no Hoare annotation was computed. [2021-10-11 02:30:36,519 INFO L262 CegarLoopResult]: For program point L579-3(lines 579 585) no Hoare annotation was computed. [2021-10-11 02:30:36,520 INFO L258 CegarLoopResult]: At program point L447(lines 1 954) 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 02:30:36,520 INFO L262 CegarLoopResult]: For program point L579-4(lines 579 585) no Hoare annotation was computed. [2021-10-11 02:30:36,520 INFO L262 CegarLoopResult]: For program point L579-5(lines 579 585) no Hoare annotation was computed. [2021-10-11 02:30:36,520 INFO L258 CegarLoopResult]: At program point L249(lines 242 252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:30:36,520 INFO L258 CegarLoopResult]: At program point L249-1(lines 242 252) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:36,520 INFO L258 CegarLoopResult]: At program point L249-2(lines 242 252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse0 .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2021-10-11 02:30:36,520 INFO L258 CegarLoopResult]: At program point L249-3(lines 242 252) the Hoare annotation is: false [2021-10-11 02:30:36,521 INFO L258 CegarLoopResult]: At program point L249-4(lines 242 252) the Hoare annotation is: false [2021-10-11 02:30:36,521 INFO L258 CegarLoopResult]: At program point L249-5(lines 242 252) the Hoare annotation is: false [2021-10-11 02:30:36,521 INFO L258 CegarLoopResult]: At program point L249-6(lines 242 252) the Hoare annotation is: false [2021-10-11 02:30:36,521 INFO L258 CegarLoopResult]: At program point L249-7(lines 242 252) the Hoare annotation is: false [2021-10-11 02:30:36,521 INFO L258 CegarLoopResult]: At program point L249-8(lines 242 252) the Hoare annotation is: false [2021-10-11 02:30:36,522 INFO L262 CegarLoopResult]: For program point L514(lines 514 518) no Hoare annotation was computed. [2021-10-11 02:30:36,522 INFO L262 CegarLoopResult]: For program point L481(lines 481 487) no Hoare annotation was computed. [2021-10-11 02:30:36,522 INFO L262 CegarLoopResult]: For program point L481-2(lines 481 487) no Hoare annotation was computed. [2021-10-11 02:30:36,522 INFO L262 CegarLoopResult]: For program point L481-4(lines 481 487) no Hoare annotation was computed. [2021-10-11 02:30:36,522 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:36,522 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 02:30:36,523 INFO L258 CegarLoopResult]: At program point L385(lines 381 387) 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 02:30:36,523 INFO L258 CegarLoopResult]: At program point L584(lines 575 588) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:36,523 INFO L258 CegarLoopResult]: At program point L584-1(lines 575 588) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2021-10-11 02:30:36,523 INFO L258 CegarLoopResult]: At program point L584-2(lines 575 588) the Hoare annotation is: false [2021-10-11 02:30:36,523 INFO L258 CegarLoopResult]: At program point L584-3(lines 575 588) the Hoare annotation is: false [2021-10-11 02:30:36,523 INFO L258 CegarLoopResult]: At program point L584-4(lines 575 588) the Hoare annotation is: false [2021-10-11 02:30:36,523 INFO L258 CegarLoopResult]: At program point L584-5(lines 575 588) the Hoare annotation is: false [2021-10-11 02:30:36,524 INFO L262 CegarLoopResult]: For program point L188(lines 188 205) no Hoare annotation was computed. [2021-10-11 02:30:36,524 INFO L262 CegarLoopResult]: For program point L188-1(lines 188 205) no Hoare annotation was computed. [2021-10-11 02:30:36,524 INFO L262 CegarLoopResult]: For program point L188-2(lines 188 205) no Hoare annotation was computed. [2021-10-11 02:30:36,524 INFO L265 CegarLoopResult]: At program point L420(lines 401 423) the Hoare annotation is: true [2021-10-11 02:30:36,524 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:36,524 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 02:30:36,524 INFO L258 CegarLoopResult]: At program point L455(lines 450 458) 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 02:30:36,524 INFO L262 CegarLoopResult]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-10-11 02:30:36,525 INFO L262 CegarLoopResult]: For program point L224-2(lines 224 230) no Hoare annotation was computed. [2021-10-11 02:30:36,525 INFO L262 CegarLoopResult]: For program point L224-4(lines 224 230) no Hoare annotation was computed. [2021-10-11 02:30:36,526 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 02:30:36,526 INFO L262 CegarLoopResult]: For program point L224-6(lines 224 230) no Hoare annotation was computed. [2021-10-11 02:30:36,526 INFO L262 CegarLoopResult]: For program point L224-8(lines 224 230) no Hoare annotation was computed. [2021-10-11 02:30:36,526 INFO L262 CegarLoopResult]: For program point L224-10(lines 224 230) no Hoare annotation was computed. [2021-10-11 02:30:36,526 INFO L258 CegarLoopResult]: At program point L258(lines 253 261) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) [2021-10-11 02:30:36,526 INFO L258 CegarLoopResult]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2021-10-11 02:30:36,526 INFO L262 CegarLoopResult]: For program point L192(lines 192 200) no Hoare annotation was computed. [2021-10-11 02:30:36,526 INFO L258 CegarLoopResult]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2021-10-11 02:30:36,527 INFO L262 CegarLoopResult]: For program point L192-1(lines 192 200) no Hoare annotation was computed. [2021-10-11 02:30:36,527 INFO L262 CegarLoopResult]: For program point L192-2(lines 192 200) no Hoare annotation was computed. [2021-10-11 02:30:36,527 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:36,527 INFO L262 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-10-11 02:30:36,527 INFO L258 CegarLoopResult]: At program point L95-2(lines 130 136) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:30:36,527 INFO L262 CegarLoopResult]: For program point L162(lines 162 179) no Hoare annotation was computed. [2021-10-11 02:30:36,527 INFO L262 CegarLoopResult]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2021-10-11 02:30:36,527 INFO L262 CegarLoopResult]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2021-10-11 02:30:36,528 INFO L262 CegarLoopResult]: For program point L162-3(lines 162 179) no Hoare annotation was computed. [2021-10-11 02:30:36,528 INFO L262 CegarLoopResult]: For program point L162-4(lines 162 179) no Hoare annotation was computed. [2021-10-11 02:30:36,528 INFO L262 CegarLoopResult]: For program point L162-5(lines 162 179) no Hoare annotation was computed. [2021-10-11 02:30:36,528 INFO L262 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2021-10-11 02:30:36,528 INFO L258 CegarLoopResult]: At program point L130(lines 129 148) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-11 02:30:36,528 INFO L262 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2021-10-11 02:30:36,528 INFO L258 CegarLoopResult]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2021-10-11 02:30:36,528 INFO L258 CegarLoopResult]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2021-10-11 02:30:36,529 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:36,529 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2021-10-11 02:30:36,529 INFO L262 CegarLoopResult]: For program point L166(lines 166 174) no Hoare annotation was computed. [2021-10-11 02:30:36,529 INFO L262 CegarLoopResult]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2021-10-11 02:30:36,529 INFO L262 CegarLoopResult]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2021-10-11 02:30:36,529 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:30:36,529 INFO L262 CegarLoopResult]: For program point L166-3(lines 166 174) no Hoare annotation was computed. [2021-10-11 02:30:36,530 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:30:36,530 INFO L262 CegarLoopResult]: For program point L166-4(lines 166 174) no Hoare annotation was computed. [2021-10-11 02:30:36,530 INFO L262 CegarLoopResult]: For program point L166-5(lines 166 174) no Hoare annotation was computed. [2021-10-11 02:30:36,530 INFO L262 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-11 02:30:36,530 INFO L262 CegarLoopResult]: For program point L464-1(line 464) no Hoare annotation was computed. [2021-10-11 02:30:36,530 INFO L262 CegarLoopResult]: For program point L464-2(line 464) no Hoare annotation was computed. [2021-10-11 02:30:36,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:36 BoogieIcfgContainer [2021-10-11 02:30:36,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:36,568 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:36,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:36,568 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:36,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:20" (3/4) ... [2021-10-11 02:30:36,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:36,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:36,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:36,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:36,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:36,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:36,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:36,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:36,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32) [2021-10-11 02:30:36,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:36,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:36,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:36,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:36,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:36,727 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb3fc47-bf08-4d6a-82c1-af840acfe05b/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:36,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:36,728 INFO L168 Benchmark]: Toolchain (without parser) took 19795.82 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 48.0 MB in the beginning and 30.3 MB in the end (delta: 17.7 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:36,729 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 48.5 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:36,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.38 ms. Allocated memory is still 67.1 MB. Free memory was 47.7 MB in the beginning and 31.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:36,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.88 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 63.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:36,730 INFO L168 Benchmark]: Boogie Preprocessor took 69.51 ms. Allocated memory is still 81.8 MB. Free memory was 63.6 MB in the beginning and 60.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:36,730 INFO L168 Benchmark]: RCFGBuilder took 2618.59 ms. Allocated memory is still 81.8 MB. Free memory was 60.8 MB in the beginning and 44.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:36,731 INFO L168 Benchmark]: TraceAbstraction took 16081.15 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 40.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:36,731 INFO L168 Benchmark]: Witness Printer took 159.39 ms. Allocated memory is still 102.8 MB. Free memory was 40.8 MB in the beginning and 30.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:36,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 48.5 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 777.38 ms. Allocated memory is still 67.1 MB. Free memory was 47.7 MB in the beginning and 31.7 MB in the end (delta: 16.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.88 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 63.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.51 ms. Allocated memory is still 81.8 MB. Free memory was 63.6 MB in the beginning and 60.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2618.59 ms. Allocated memory is still 81.8 MB. Free memory was 60.8 MB in the beginning and 44.4 MB in the end (delta: 16.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16081.15 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 43.9 MB in the beginning and 40.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. * Witness Printer took 159.39 ms. Allocated memory is still 102.8 MB. Free memory was 40.8 MB in the beginning and 30.3 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: 464]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 464]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 464]: 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1210 SDtfs, 1514 SDslu, 2023 SDs, 0 SdLazy, 335 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 358 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 781 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 201 NumberOfFragments, 685 HoareAnnotationTreeSize, 55 FomulaSimplifications, 353731 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 88046 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 21364 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2316 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...