./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8 --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 4934f434020ea5812d4fa6d4f597788b669b23a9 ............................................................................................................................................ 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_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8 --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 4934f434020ea5812d4fa6d4f597788b669b23a9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:15,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:15,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:15,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:15,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:15,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:15,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:15,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:15,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:15,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:15,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:15,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:15,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:15,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:15,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:15,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:15,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:15,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:15,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:15,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:15,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:15,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:15,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:15,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:15,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:15,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:15,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:15,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:15,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:15,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:15,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:15,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:15,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:15,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:15,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:15,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:15,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:15,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:15,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:15,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:15,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:15,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:58:15,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:15,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:15,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:15,428 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:15,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:15,429 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:15,429 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:58:15,429 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:15,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:15,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:58:15,430 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:58:15,430 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:15,430 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:58:15,430 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:58:15,430 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:58:15,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:15,431 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:15,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:58:15,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:15,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:15,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:15,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:15,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:15,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:15,433 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:15,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:15,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:15,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:15,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:15,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:15,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:15,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:15,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:15,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:15,440 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:58:15,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:58:15,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:15,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:15,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:15,442 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_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4934f434020ea5812d4fa6d4f597788b669b23a9 [2021-10-13 06:58:15,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:15,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:15,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:15,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:15,726 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:15,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-13 06:58:15,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/809499a0b/f4465c06f98f4b5ba7760306d7cce569/FLAGd456eb757 [2021-10-13 06:58:16,350 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:16,354 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-13 06:58:16,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/809499a0b/f4465c06f98f4b5ba7760306d7cce569/FLAGd456eb757 [2021-10-13 06:58:16,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/809499a0b/f4465c06f98f4b5ba7760306d7cce569 [2021-10-13 06:58:16,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:16,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:16,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:16,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:16,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:16,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:16" (1/1) ... [2021-10-13 06:58:16,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48497e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:16, skipping insertion in model container [2021-10-13 06:58:16,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:16" (1/1) ... [2021-10-13 06:58:16,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:16,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:16,983 WARN L228 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_45170b02-0a17-4c4b-9438-6611bdfdaf4c/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[14694,14707] [2021-10-13 06:58:17,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:17,018 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) [2021-10-13 06:58:17,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e2f0344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:17, skipping insertion in model container [2021-10-13 06:58:17,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:17,019 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:58:17,021 INFO L168 Benchmark]: Toolchain (without parser) took 385.58 ms. Allocated memory is still 109.1 MB. Free memory was 72.4 MB in the beginning and 80.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:17,022 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 84.4 MB in the beginning and 84.4 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:17,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.00 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 80.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:17,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 84.4 MB in the beginning and 84.4 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.00 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 80.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:58:19,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:58:19,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:58:19,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:58:19,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:58:19,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:58:19,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:58:19,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:58:19,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:58:19,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:58:19,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:58:19,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:58:19,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:58:19,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:58:19,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:58:19,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:58:19,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:58:19,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:58:19,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:58:19,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:58:19,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:58:19,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:58:19,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:58:19,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:58:19,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:58:19,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:58:19,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:58:19,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:58:19,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:58:19,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:58:19,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:58:19,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:58:19,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:58:19,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:58:19,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:58:19,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:58:19,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:58:19,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:58:19,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:58:19,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:58:19,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:58:19,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:58:19,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:58:19,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:58:19,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:58:19,369 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:58:19,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:58:19,369 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:58:19,370 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:58:19,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:58:19,370 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:58:19,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:58:19,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:58:19,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:58:19,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:58:19,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:58:19,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:58:19,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:58:19,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:58:19,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:58:19,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:58:19,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:58:19,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:58:19,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:58:19,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:58:19,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:58:19,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:58:19,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:58:19,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:19,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:58:19,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:58:19,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:58:19,378 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:58:19,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:19,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:58:19,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:58:19,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:58:19,379 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_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4934f434020ea5812d4fa6d4f597788b669b23a9 [2021-10-13 06:58:19,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:58:19,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:58:19,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:58:19,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:58:19,742 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:58:19,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-13 06:58:19,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/fa09acad9/5c09e0d734794f5fa260b0567dd537c1/FLAG4381ecfec [2021-10-13 06:58:20,416 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:58:20,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2021-10-13 06:58:20,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/fa09acad9/5c09e0d734794f5fa260b0567dd537c1/FLAG4381ecfec [2021-10-13 06:58:20,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/data/fa09acad9/5c09e0d734794f5fa260b0567dd537c1 [2021-10-13 06:58:20,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:58:20,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:58:20,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:20,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:58:20,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:58:20,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:20" (1/1) ... [2021-10-13 06:58:20,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e39ce9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:20, skipping insertion in model container [2021-10-13 06:58:20,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:58:20" (1/1) ... [2021-10-13 06:58:20,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:58:20,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:21,097 WARN L228 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_45170b02-0a17-4c4b-9438-6611bdfdaf4c/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[14694,14707] [2021-10-13 06:58:21,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:21,142 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:58:21,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:58:21,247 WARN L228 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_45170b02-0a17-4c4b-9438-6611bdfdaf4c/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[14694,14707] [2021-10-13 06:58:21,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:21,276 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:58:21,338 WARN L228 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_45170b02-0a17-4c4b-9438-6611bdfdaf4c/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c[14694,14707] [2021-10-13 06:58:21,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:58:21,375 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:58:21,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21 WrapperNode [2021-10-13 06:58:21,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:58:21,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:21,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:58:21,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:58:21,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:58:21,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:58:21,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:58:21,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:58:21,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:58:21,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:58:21,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:58:21,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:58:21,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (1/1) ... [2021-10-13 06:58:21,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:58:21,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:21,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:58:21,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:58:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:58:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:58:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:58:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:58:24,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:58:24,113 INFO L299 CfgBuilder]: Removed 352 assume(true) statements. [2021-10-13 06:58:24,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:24 BoogieIcfgContainer [2021-10-13 06:58:24,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:58:24,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:58:24,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:58:24,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:58:24,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:58:20" (1/3) ... [2021-10-13 06:58:24,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7076a403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:24, skipping insertion in model container [2021-10-13 06:58:24,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:58:21" (2/3) ... [2021-10-13 06:58:24,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7076a403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:58:24, skipping insertion in model container [2021-10-13 06:58:24,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:24" (3/3) ... [2021-10-13 06:58:24,122 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2021-10-13 06:58:24,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:58:24,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 06:58:24,176 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:58:24,181 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:58:24,181 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 06:58:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 223 states have (on average 1.5201793721973094) internal successors, (339), 226 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:58:24,225 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:24,226 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:24,226 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:24,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2021-10-13 06:58:24,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:24,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21296441] [2021-10-13 06:58:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:24,252 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:24,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:24,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:24,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:58:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:24,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:58:24,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:24,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:24,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:24,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21296441] [2021-10-13 06:58:24,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21296441] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:24,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:24,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:58:24,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27360013] [2021-10-13 06:58:24,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:58:24,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:24,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:58:24,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:24,659 INFO L87 Difference]: Start difference. First operand has 227 states, 223 states have (on average 1.5201793721973094) internal successors, (339), 226 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:24,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:24,726 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2021-10-13 06:58:24,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:58:24,728 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 06:58:24,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:24,744 INFO L225 Difference]: With dead ends: 448 [2021-10-13 06:58:24,745 INFO L226 Difference]: Without dead ends: 223 [2021-10-13 06:58:24,749 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:58:24,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-10-13 06:58:24,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2021-10-13 06:58:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 220 states have (on average 1.4863636363636363) internal successors, (327), 222 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2021-10-13 06:58:24,815 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2021-10-13 06:58:24,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:24,816 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2021-10-13 06:58:24,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2021-10-13 06:58:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:58:24,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:24,818 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:24,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:25,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:25,031 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:25,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:25,032 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2021-10-13 06:58:25,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:25,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [154739425] [2021-10-13 06:58:25,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:25,033 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:25,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:25,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:25,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:58:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:25,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:25,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:25,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:25,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:25,476 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:25,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [154739425] [2021-10-13 06:58:25,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [154739425] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:25,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:25,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:58:25,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018725667] [2021-10-13 06:58:25,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:58:25,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:25,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:58:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:25,485 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:25,521 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2021-10-13 06:58:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:58:25,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 06:58:25,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:25,523 INFO L225 Difference]: With dead ends: 223 [2021-10-13 06:58:25,523 INFO L226 Difference]: Without dead ends: 85 [2021-10-13 06:58:25,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:25,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-13 06:58:25,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-13 06:58:25,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 84 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2021-10-13 06:58:25,532 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2021-10-13 06:58:25,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:25,532 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2021-10-13 06:58:25,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2021-10-13 06:58:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:58:25,534 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:25,534 INFO L512 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] [2021-10-13 06:58:25,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:25,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:25,746 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:25,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:25,747 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2021-10-13 06:58:25,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:25,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377804461] [2021-10-13 06:58:25,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:25,749 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:25,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:25,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:25,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:58:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:25,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:25,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:26,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:26,166 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:26,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377804461] [2021-10-13 06:58:26,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377804461] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:26,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:26,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:58:26,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719553551] [2021-10-13 06:58:26,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:58:26,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:26,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:58:26,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:26,173 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:26,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:26,223 INFO L93 Difference]: Finished difference Result 266 states and 394 transitions. [2021-10-13 06:58:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:58:26,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:58:26,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:26,227 INFO L225 Difference]: With dead ends: 266 [2021-10-13 06:58:26,227 INFO L226 Difference]: Without dead ends: 187 [2021-10-13 06:58:26,230 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:58:26,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-13 06:58:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 104. [2021-10-13 06:58:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.4854368932038835) internal successors, (153), 103 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2021-10-13 06:58:26,261 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 22 [2021-10-13 06:58:26,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:26,262 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2021-10-13 06:58:26,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2021-10-13 06:58:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:58:26,267 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:26,267 INFO L512 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] [2021-10-13 06:58:26,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:26,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:26,480 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:26,481 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2021-10-13 06:58:26,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:26,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751723230] [2021-10-13 06:58:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:26,482 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:26,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:26,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:26,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:58:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:26,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:26,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:26,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:26,790 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:26,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1751723230] [2021-10-13 06:58:26,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1751723230] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:26,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:26,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:58:26,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379748172] [2021-10-13 06:58:26,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:58:26,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:26,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:58:26,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:58:26,792 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:26,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:26,875 INFO L93 Difference]: Finished difference Result 208 states and 308 transitions. [2021-10-13 06:58:26,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:58:26,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:58:26,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:26,877 INFO L225 Difference]: With dead ends: 208 [2021-10-13 06:58:26,877 INFO L226 Difference]: Without dead ends: 110 [2021-10-13 06:58:26,878 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:58:26,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-13 06:58:26,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2021-10-13 06:58:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4299065420560748) internal successors, (153), 107 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2021-10-13 06:58:26,901 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 25 [2021-10-13 06:58:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:26,901 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-10-13 06:58:26,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2021-10-13 06:58:26,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:58:26,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:26,906 INFO L512 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] [2021-10-13 06:58:26,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:27,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:27,119 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:27,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:27,119 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2021-10-13 06:58:27,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:27,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591336358] [2021-10-13 06:58:27,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:27,120 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:27,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:27,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:27,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:58:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:27,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:27,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:27,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:27,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:27,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591336358] [2021-10-13 06:58:27,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591336358] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:27,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:27,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 06:58:27,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996629226] [2021-10-13 06:58:27,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:58:27,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:27,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:58:27,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:58:27,587 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:27,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:27,969 INFO L93 Difference]: Finished difference Result 823 states and 1190 transitions. [2021-10-13 06:58:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 06:58:27,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:58:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:27,974 INFO L225 Difference]: With dead ends: 823 [2021-10-13 06:58:27,974 INFO L226 Difference]: Without dead ends: 721 [2021-10-13 06:58:27,976 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 123.4ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-13 06:58:27,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2021-10-13 06:58:28,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 262. [2021-10-13 06:58:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3984674329501916) internal successors, (365), 261 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2021-10-13 06:58:28,020 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 25 [2021-10-13 06:58:28,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:28,021 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 365 transitions. [2021-10-13 06:58:28,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:28,021 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2021-10-13 06:58:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 06:58:28,024 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:28,024 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:28,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:28,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:28,237 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:28,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:28,237 INFO L82 PathProgramCache]: Analyzing trace with hash 2068693080, now seen corresponding path program 1 times [2021-10-13 06:58:28,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:28,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001027243] [2021-10-13 06:58:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:28,239 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:28,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:28,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:28,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 06:58:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:28,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:58:28,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:28,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:28,747 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:28,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001027243] [2021-10-13 06:58:28,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001027243] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:28,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [395409381] [2021-10-13 06:58:28,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:28,748 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:28,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:58:28,752 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:58:28,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-13 06:58:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:28,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:28,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 06:58:29,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 06:58:29,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [395409381] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:29,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 06:58:29,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-13 06:58:29,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190517450] [2021-10-13 06:58:29,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:58:29,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:29,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:58:29,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:58:29,200 INFO L87 Difference]: Start difference. First operand 262 states and 365 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:29,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:29,452 INFO L93 Difference]: Finished difference Result 648 states and 914 transitions. [2021-10-13 06:58:29,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 06:58:29,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-10-13 06:58:29,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:29,457 INFO L225 Difference]: With dead ends: 648 [2021-10-13 06:58:29,457 INFO L226 Difference]: Without dead ends: 646 [2021-10-13 06:58:29,458 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 98.6ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-13 06:58:29,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2021-10-13 06:58:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 262. [2021-10-13 06:58:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3908045977011494) internal successors, (363), 261 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 363 transitions. [2021-10-13 06:58:29,500 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 363 transitions. Word has length 40 [2021-10-13 06:58:29,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:29,502 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 363 transitions. [2021-10-13 06:58:29,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:29,502 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 363 transitions. [2021-10-13 06:58:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-13 06:58:29,505 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:29,506 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:29,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:29,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:29,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:29,910 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:29,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:29,911 INFO L82 PathProgramCache]: Analyzing trace with hash 354193207, now seen corresponding path program 1 times [2021-10-13 06:58:29,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:29,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110696096] [2021-10-13 06:58:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:29,915 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:29,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:29,916 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:29,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 06:58:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:30,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:58:30,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:30,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:30,509 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:30,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110696096] [2021-10-13 06:58:30,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110696096] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:30,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [524076042] [2021-10-13 06:58:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:30,510 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:30,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:58:30,517 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:58:30,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-13 06:58:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:30,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:58:30,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:30,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:58:31,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [524076042] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:31,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 06:58:31,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2021-10-13 06:58:31,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567228475] [2021-10-13 06:58:31,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:58:31,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:31,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:58:31,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:31,114 INFO L87 Difference]: Start difference. First operand 262 states and 363 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:32,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:32,295 INFO L93 Difference]: Finished difference Result 524 states and 726 transitions. [2021-10-13 06:58:32,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:58:32,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-13 06:58:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:32,298 INFO L225 Difference]: With dead ends: 524 [2021-10-13 06:58:32,298 INFO L226 Difference]: Without dead ends: 204 [2021-10-13 06:58:32,299 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.9ms TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-13 06:58:32,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2021-10-13 06:58:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3596059113300492) internal successors, (276), 203 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2021-10-13 06:58:32,323 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 52 [2021-10-13 06:58:32,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:32,323 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2021-10-13 06:58:32,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2021-10-13 06:58:32,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 06:58:32,324 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:32,325 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:32,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:32,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-13 06:58:32,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:32,728 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:32,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1855386220, now seen corresponding path program 1 times [2021-10-13 06:58:32,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:32,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042154818] [2021-10-13 06:58:32,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:32,729 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:32,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:32,733 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:32,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 06:58:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:33,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:58:33,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 06:58:33,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 06:58:33,401 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:33,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042154818] [2021-10-13 06:58:33,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042154818] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:33,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:33,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-13 06:58:33,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666331988] [2021-10-13 06:58:33,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:58:33,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:33,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:58:33,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:58:33,403 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:34,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:34,676 INFO L93 Difference]: Finished difference Result 607 states and 835 transitions. [2021-10-13 06:58:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:58:34,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-13 06:58:34,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:34,680 INFO L225 Difference]: With dead ends: 607 [2021-10-13 06:58:34,681 INFO L226 Difference]: Without dead ends: 453 [2021-10-13 06:58:34,681 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:34,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-10-13 06:58:34,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 365. [2021-10-13 06:58:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 364 states have (on average 1.3434065934065933) internal successors, (489), 364 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 489 transitions. [2021-10-13 06:58:34,732 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 489 transitions. Word has length 58 [2021-10-13 06:58:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:34,733 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 489 transitions. [2021-10-13 06:58:34,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 489 transitions. [2021-10-13 06:58:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-13 06:58:34,735 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:34,736 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:34,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:34,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:34,955 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:34,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:34,956 INFO L82 PathProgramCache]: Analyzing trace with hash 892761924, now seen corresponding path program 1 times [2021-10-13 06:58:34,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:34,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555175835] [2021-10-13 06:58:34,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:34,957 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:34,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:34,958 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:34,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 06:58:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:35,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:35,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:58:35,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:58:35,620 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:35,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555175835] [2021-10-13 06:58:35,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555175835] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:35,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:35,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 06:58:35,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550604594] [2021-10-13 06:58:35,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:58:35,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:35,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:58:35,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:58:35,622 INFO L87 Difference]: Start difference. First operand 365 states and 489 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:35,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:35,770 INFO L93 Difference]: Finished difference Result 948 states and 1253 transitions. [2021-10-13 06:58:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:58:35,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-10-13 06:58:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:35,775 INFO L225 Difference]: With dead ends: 948 [2021-10-13 06:58:35,775 INFO L226 Difference]: Without dead ends: 589 [2021-10-13 06:58:35,776 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:35,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2021-10-13 06:58:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 398. [2021-10-13 06:58:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.314861460957179) internal successors, (522), 397 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 522 transitions. [2021-10-13 06:58:35,821 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 522 transitions. Word has length 59 [2021-10-13 06:58:35,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:35,823 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 522 transitions. [2021-10-13 06:58:35,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 522 transitions. [2021-10-13 06:58:35,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-13 06:58:35,824 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:35,825 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:35,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:36,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:36,041 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:36,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:36,041 INFO L82 PathProgramCache]: Analyzing trace with hash -136597374, now seen corresponding path program 1 times [2021-10-13 06:58:36,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:36,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651928432] [2021-10-13 06:58:36,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:36,043 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:36,044 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:36,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 06:58:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:36,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 06:58:36,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:58:36,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 06:58:36,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:36,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651928432] [2021-10-13 06:58:36,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651928432] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:36,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:36,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 06:58:36,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119144358] [2021-10-13 06:58:36,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:58:36,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:36,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:58:36,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:58:36,685 INFO L87 Difference]: Start difference. First operand 398 states and 522 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:36,793 INFO L93 Difference]: Finished difference Result 851 states and 1109 transitions. [2021-10-13 06:58:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:58:36,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-10-13 06:58:36,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:36,797 INFO L225 Difference]: With dead ends: 851 [2021-10-13 06:58:36,797 INFO L226 Difference]: Without dead ends: 459 [2021-10-13 06:58:36,798 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:58:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2021-10-13 06:58:36,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 342. [2021-10-13 06:58:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.2903225806451613) internal successors, (440), 341 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 440 transitions. [2021-10-13 06:58:36,837 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 440 transitions. Word has length 59 [2021-10-13 06:58:36,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:36,837 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 440 transitions. [2021-10-13 06:58:36,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:36,838 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2021-10-13 06:58:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 06:58:36,838 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:36,839 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:36,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:37,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:37,054 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:37,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:37,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2021-10-13 06:58:37,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:37,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876745951] [2021-10-13 06:58:37,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:37,055 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:37,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:37,056 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:37,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 06:58:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:37,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:58:37,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:37,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:37,860 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:37,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876745951] [2021-10-13 06:58:37,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876745951] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:37,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1560251438] [2021-10-13 06:58:37,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:37,861 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:58:37,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:58:37,867 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:58:37,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-13 06:58:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:38,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 06:58:38,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:38,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:38,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1560251438] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:38,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590576140] [2021-10-13 06:58:38,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:38,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 06:58:38,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:58:38,826 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 06:58:38,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-13 06:58:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:39,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 06:58:39,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:39,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 06:58:39,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590576140] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:58:39,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 06:58:39,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-13 06:58:39,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964080565] [2021-10-13 06:58:39,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 06:58:39,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:39,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 06:58:39,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-13 06:58:39,664 INFO L87 Difference]: Start difference. First operand 342 states and 440 transitions. Second operand has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:44,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:44,331 INFO L93 Difference]: Finished difference Result 2915 states and 3734 transitions. [2021-10-13 06:58:44,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-13 06:58:44,332 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-13 06:58:44,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:44,348 INFO L225 Difference]: With dead ends: 2915 [2021-10-13 06:58:44,348 INFO L226 Difference]: Without dead ends: 2603 [2021-10-13 06:58:44,351 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 1289.9ms TimeCoverageRelationStatistics Valid=1005, Invalid=4251, Unknown=0, NotChecked=0, Total=5256 [2021-10-13 06:58:44,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2021-10-13 06:58:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 544. [2021-10-13 06:58:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 543 states have (on average 1.289134438305709) internal successors, (700), 543 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 700 transitions. [2021-10-13 06:58:44,439 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 700 transitions. Word has length 60 [2021-10-13 06:58:44,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:44,440 INFO L470 AbstractCegarLoop]: Abstraction has 544 states and 700 transitions. [2021-10-13 06:58:44,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 700 transitions. [2021-10-13 06:58:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-13 06:58:44,441 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:58:44,441 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:58:44,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:44,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:44,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 06:58:45,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:45,055 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:58:45,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:58:45,056 INFO L82 PathProgramCache]: Analyzing trace with hash 50311137, now seen corresponding path program 1 times [2021-10-13 06:58:45,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:58:45,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025665223] [2021-10-13 06:58:45,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:58:45,056 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:58:45,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:58:45,057 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:58:45,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 06:58:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:58:45,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:58:45,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:58:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 06:58:45,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:58:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 06:58:45,926 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:58:45,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025665223] [2021-10-13 06:58:45,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025665223] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:58:45,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:58:45,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 06:58:45,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175127873] [2021-10-13 06:58:45,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:58:45,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:58:45,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:58:45,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:58:45,928 INFO L87 Difference]: Start difference. First operand 544 states and 700 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:45,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:58:45,993 INFO L93 Difference]: Finished difference Result 745 states and 947 transitions. [2021-10-13 06:58:45,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:58:45,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-13 06:58:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:58:45,994 INFO L225 Difference]: With dead ends: 745 [2021-10-13 06:58:45,995 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:58:45,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 38.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:58:45,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:58:45,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:58:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:45,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:58:45,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-10-13 06:58:45,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:58:45,997 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:58:45,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:58:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:58:45,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:58:46,000 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:46,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:46,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:58:46,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-10-13 06:58:46,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:58:46,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:58:46,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:46,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:47,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:48,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:58:53,290 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 688) no Hoare annotation was computed. [2021-10-13 06:58:53,291 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 505) no Hoare annotation was computed. [2021-10-13 06:58:53,291 INFO L860 garLoopResultBuilder]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2021-10-13 06:58:53,291 INFO L857 garLoopResultBuilder]: For program point L962(lines 961 1008) no Hoare annotation was computed. [2021-10-13 06:58:53,291 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2021-10-13 06:58:53,291 INFO L857 garLoopResultBuilder]: For program point L765(lines 765 773) no Hoare annotation was computed. [2021-10-13 06:58:53,291 INFO L857 garLoopResultBuilder]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2021-10-13 06:58:53,292 INFO L857 garLoopResultBuilder]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2021-10-13 06:58:53,292 INFO L857 garLoopResultBuilder]: For program point L765-3(lines 765 773) no Hoare annotation was computed. [2021-10-13 06:58:53,292 INFO L857 garLoopResultBuilder]: For program point L765-4(lines 765 773) no Hoare annotation was computed. [2021-10-13 06:58:53,292 INFO L857 garLoopResultBuilder]: For program point L765-5(lines 765 773) no Hoare annotation was computed. [2021-10-13 06:58:53,292 INFO L853 garLoopResultBuilder]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse2)))) [2021-10-13 06:58:53,292 INFO L857 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2021-10-13 06:58:53,293 INFO L853 garLoopResultBuilder]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2021-10-13 06:58:53,293 INFO L853 garLoopResultBuilder]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2021-10-13 06:58:53,293 INFO L860 garLoopResultBuilder]: At program point L507(lines 488 510) the Hoare annotation is: true [2021-10-13 06:58:53,293 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 977) no Hoare annotation was computed. [2021-10-13 06:58:53,293 INFO L853 garLoopResultBuilder]: At program point L971-1(lines 971 977) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-13 06:58:53,293 INFO L857 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,294 INFO L857 garLoopResultBuilder]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,294 INFO L857 garLoopResultBuilder]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,294 INFO L857 garLoopResultBuilder]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,294 INFO L857 garLoopResultBuilder]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,294 INFO L857 garLoopResultBuilder]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,294 INFO L857 garLoopResultBuilder]: For program point L906-9(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,295 INFO L857 garLoopResultBuilder]: For program point L906-11(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,295 INFO L857 garLoopResultBuilder]: For program point L906-12(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,295 INFO L857 garLoopResultBuilder]: For program point L906-14(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,295 INFO L857 garLoopResultBuilder]: For program point L906-15(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,295 INFO L857 garLoopResultBuilder]: For program point L906-17(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,295 INFO L857 garLoopResultBuilder]: For program point L906-18(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,295 INFO L857 garLoopResultBuilder]: For program point L906-20(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,296 INFO L857 garLoopResultBuilder]: For program point L906-21(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,296 INFO L857 garLoopResultBuilder]: For program point L906-23(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,296 INFO L857 garLoopResultBuilder]: For program point L906-24(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,296 INFO L857 garLoopResultBuilder]: For program point L906-26(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,296 INFO L857 garLoopResultBuilder]: For program point L906-27(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,296 INFO L857 garLoopResultBuilder]: For program point L906-29(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,296 INFO L857 garLoopResultBuilder]: For program point L906-30(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,297 INFO L857 garLoopResultBuilder]: For program point L906-32(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,297 INFO L857 garLoopResultBuilder]: For program point L906-33(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,297 INFO L857 garLoopResultBuilder]: For program point L906-35(lines 906 910) no Hoare annotation was computed. [2021-10-13 06:58:53,297 INFO L853 garLoopResultBuilder]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse4)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse4 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3)))) [2021-10-13 06:58:53,297 INFO L853 garLoopResultBuilder]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2021-10-13 06:58:53,297 INFO L853 garLoopResultBuilder]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2021-10-13 06:58:53,298 INFO L853 garLoopResultBuilder]: At program point L912(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,298 INFO L853 garLoopResultBuilder]: At program point L912-1(lines 897 915) the Hoare annotation is: (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,298 INFO L853 garLoopResultBuilder]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,298 INFO L853 garLoopResultBuilder]: At program point L912-3(lines 897 915) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv1 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-13 06:58:53,298 INFO L853 garLoopResultBuilder]: At program point L912-4(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,299 INFO L853 garLoopResultBuilder]: At program point L912-5(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,299 INFO L853 garLoopResultBuilder]: At program point L912-6(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,299 INFO L853 garLoopResultBuilder]: At program point L912-7(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,299 INFO L853 garLoopResultBuilder]: At program point L912-8(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,299 INFO L853 garLoopResultBuilder]: At program point L912-9(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,299 INFO L853 garLoopResultBuilder]: At program point L912-10(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,299 INFO L853 garLoopResultBuilder]: At program point L912-11(lines 897 915) the Hoare annotation is: false [2021-10-13 06:58:53,300 INFO L853 garLoopResultBuilder]: At program point L848(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-13 06:58:53,300 INFO L853 garLoopResultBuilder]: At program point L848-1(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,300 INFO L853 garLoopResultBuilder]: At program point L848-2(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,300 INFO L853 garLoopResultBuilder]: At program point L848-3(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,300 INFO L853 garLoopResultBuilder]: At program point L848-4(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,300 INFO L853 garLoopResultBuilder]: At program point L848-5(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,301 INFO L853 garLoopResultBuilder]: At program point L848-6(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,301 INFO L853 garLoopResultBuilder]: At program point L848-7(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,301 INFO L853 garLoopResultBuilder]: At program point L848-8(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,301 INFO L853 garLoopResultBuilder]: At program point L848-9(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,301 INFO L853 garLoopResultBuilder]: At program point L848-10(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,301 INFO L853 garLoopResultBuilder]: At program point L848-11(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,302 INFO L853 garLoopResultBuilder]: At program point L848-12(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,302 INFO L853 garLoopResultBuilder]: At program point L848-13(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,302 INFO L853 garLoopResultBuilder]: At program point L848-14(lines 841 851) the Hoare annotation is: false [2021-10-13 06:58:53,302 INFO L857 garLoopResultBuilder]: For program point L981(lines 981 987) no Hoare annotation was computed. [2021-10-13 06:58:53,302 INFO L853 garLoopResultBuilder]: At program point L981-1(lines 981 987) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-13 06:58:53,302 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:58:53,303 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 591) no Hoare annotation was computed. [2021-10-13 06:58:53,303 INFO L857 garLoopResultBuilder]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2021-10-13 06:58:53,303 INFO L857 garLoopResultBuilder]: For program point L587-6(lines 587 591) no Hoare annotation was computed. [2021-10-13 06:58:53,303 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 804) no Hoare annotation was computed. [2021-10-13 06:58:53,303 INFO L857 garLoopResultBuilder]: For program point L787-1(lines 787 804) no Hoare annotation was computed. [2021-10-13 06:58:53,303 INFO L857 garLoopResultBuilder]: For program point L787-2(lines 787 804) no Hoare annotation was computed. [2021-10-13 06:58:53,304 INFO L853 garLoopResultBuilder]: At program point L656(lines 651 659) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse2)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3)))) [2021-10-13 06:58:53,304 INFO L853 garLoopResultBuilder]: At program point L656-1(lines 651 659) the Hoare annotation is: false [2021-10-13 06:58:53,304 INFO L853 garLoopResultBuilder]: At program point L656-2(lines 651 659) the Hoare annotation is: false [2021-10-13 06:58:53,304 INFO L853 garLoopResultBuilder]: At program point L857(lines 852 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,304 INFO L853 garLoopResultBuilder]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2021-10-13 06:58:53,304 INFO L857 garLoopResultBuilder]: For program point L791(lines 791 799) no Hoare annotation was computed. [2021-10-13 06:58:53,305 INFO L853 garLoopResultBuilder]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2021-10-13 06:58:53,305 INFO L857 garLoopResultBuilder]: For program point L791-1(lines 791 799) no Hoare annotation was computed. [2021-10-13 06:58:53,305 INFO L857 garLoopResultBuilder]: For program point L791-2(lines 791 799) no Hoare annotation was computed. [2021-10-13 06:58:53,305 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:58:53,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 688) no Hoare annotation was computed. [2021-10-13 06:58:53,305 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1004) no Hoare annotation was computed. [2021-10-13 06:58:53,305 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,306 INFO L857 garLoopResultBuilder]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,306 INFO L857 garLoopResultBuilder]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,306 INFO L857 garLoopResultBuilder]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,306 INFO L857 garLoopResultBuilder]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,306 INFO L857 garLoopResultBuilder]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,306 INFO L857 garLoopResultBuilder]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,306 INFO L857 garLoopResultBuilder]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L664(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L664-1(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L664-2(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,307 INFO L857 garLoopResultBuilder]: For program point L664-3(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,308 INFO L857 garLoopResultBuilder]: For program point L664-4(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,308 INFO L857 garLoopResultBuilder]: For program point L664-5(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,308 INFO L857 garLoopResultBuilder]: For program point L664-6(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,308 INFO L857 garLoopResultBuilder]: For program point L664-7(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,308 INFO L857 garLoopResultBuilder]: For program point L664-8(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,308 INFO L857 garLoopResultBuilder]: For program point L664-9(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,308 INFO L857 garLoopResultBuilder]: For program point L664-10(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,309 INFO L857 garLoopResultBuilder]: For program point L664-11(lines 664 670) no Hoare annotation was computed. [2021-10-13 06:58:53,309 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 603) no Hoare annotation was computed. [2021-10-13 06:58:53,309 INFO L853 garLoopResultBuilder]: At program point L534(lines 1 1016) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,309 INFO L857 garLoopResultBuilder]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2021-10-13 06:58:53,309 INFO L853 garLoopResultBuilder]: At program point L997-1(lines 703 709) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-13 06:58:53,309 INFO L853 garLoopResultBuilder]: At program point L931(lines 916 934) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-13 06:58:53,310 INFO L853 garLoopResultBuilder]: At program point L931-1(lines 916 934) the Hoare annotation is: false [2021-10-13 06:58:53,310 INFO L853 garLoopResultBuilder]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2021-10-13 06:58:53,310 INFO L853 garLoopResultBuilder]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2021-10-13 06:58:53,310 INFO L853 garLoopResultBuilder]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2021-10-13 06:58:53,310 INFO L853 garLoopResultBuilder]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2021-10-13 06:58:53,310 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,310 INFO L857 garLoopResultBuilder]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,311 INFO L853 garLoopResultBuilder]: At program point L669(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,311 INFO L857 garLoopResultBuilder]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,311 INFO L853 garLoopResultBuilder]: At program point L669-1(lines 660 673) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,311 INFO L857 garLoopResultBuilder]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,311 INFO L853 garLoopResultBuilder]: At program point L669-2(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,311 INFO L857 garLoopResultBuilder]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,312 INFO L853 garLoopResultBuilder]: At program point L669-3(lines 660 673) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-13 06:58:53,312 INFO L857 garLoopResultBuilder]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,312 INFO L853 garLoopResultBuilder]: At program point L669-4(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,312 INFO L857 garLoopResultBuilder]: For program point L735-6(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,312 INFO L853 garLoopResultBuilder]: At program point L669-5(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,312 INFO L857 garLoopResultBuilder]: For program point L735-7(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,312 INFO L853 garLoopResultBuilder]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,313 INFO L853 garLoopResultBuilder]: At program point L669-6(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,313 INFO L857 garLoopResultBuilder]: For program point L735-8(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,313 INFO L853 garLoopResultBuilder]: At program point L669-7(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,313 INFO L857 garLoopResultBuilder]: For program point L735-9(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,313 INFO L853 garLoopResultBuilder]: At program point L669-8(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,313 INFO L857 garLoopResultBuilder]: For program point L735-10(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,313 INFO L853 garLoopResultBuilder]: At program point L669-9(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,314 INFO L857 garLoopResultBuilder]: For program point L735-11(lines 735 752) no Hoare annotation was computed. [2021-10-13 06:58:53,314 INFO L853 garLoopResultBuilder]: At program point L669-10(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,314 INFO L853 garLoopResultBuilder]: At program point L669-11(lines 660 673) the Hoare annotation is: false [2021-10-13 06:58:53,314 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 688) no Hoare annotation was computed. [2021-10-13 06:58:53,314 INFO L857 garLoopResultBuilder]: For program point L739(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,314 INFO L857 garLoopResultBuilder]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-6(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-7(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-8(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,315 INFO L857 garLoopResultBuilder]: For program point L739-9(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,316 INFO L857 garLoopResultBuilder]: For program point L739-10(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,316 INFO L857 garLoopResultBuilder]: For program point L739-11(lines 739 747) no Hoare annotation was computed. [2021-10-13 06:58:53,316 INFO L853 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,316 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-10-13 06:58:53,316 INFO L853 garLoopResultBuilder]: At program point L939-1(lines 939 945) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,316 INFO L857 garLoopResultBuilder]: For program point L611(lines 611 615) no Hoare annotation was computed. [2021-10-13 06:58:53,317 INFO L853 garLoopResultBuilder]: At program point L1009(lines 960 1010) the Hoare annotation is: false [2021-10-13 06:58:53,317 INFO L853 garLoopResultBuilder]: At program point L679(lines 674 682) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-13 06:58:53,317 INFO L853 garLoopResultBuilder]: At program point L679-1(lines 674 682) the Hoare annotation is: false [2021-10-13 06:58:53,317 INFO L853 garLoopResultBuilder]: At program point L679-2(lines 674 682) the Hoare annotation is: false [2021-10-13 06:58:53,317 INFO L853 garLoopResultBuilder]: At program point L679-3(lines 674 682) the Hoare annotation is: false [2021-10-13 06:58:53,317 INFO L853 garLoopResultBuilder]: At program point L679-4(lines 674 682) the Hoare annotation is: false [2021-10-13 06:58:53,317 INFO L853 garLoopResultBuilder]: At program point L679-5(lines 674 682) the Hoare annotation is: false [2021-10-13 06:58:53,318 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:58:53,318 INFO L853 garLoopResultBuilder]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2021-10-13 06:58:53,318 INFO L857 garLoopResultBuilder]: For program point L421(line 421) no Hoare annotation was computed. [2021-10-13 06:58:53,318 INFO L857 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2021-10-13 06:58:53,318 INFO L857 garLoopResultBuilder]: For program point L688-1(line 688) no Hoare annotation was computed. [2021-10-13 06:58:53,318 INFO L857 garLoopResultBuilder]: For program point L688-2(line 688) no Hoare annotation was computed. [2021-10-13 06:58:53,318 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-13 06:58:53,319 INFO L857 garLoopResultBuilder]: For program point L424-1(lines 703 709) no Hoare annotation was computed. [2021-10-13 06:58:53,319 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:58:53,319 INFO L853 garLoopResultBuilder]: At program point L624(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-13 06:58:53,319 INFO L853 garLoopResultBuilder]: At program point L624-1(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,319 INFO L853 garLoopResultBuilder]: At program point L624-2(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,319 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-10-13 06:58:53,320 INFO L853 garLoopResultBuilder]: At program point L624-3(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,320 INFO L853 garLoopResultBuilder]: At program point L558-1(lines 1 1016) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse1)))) [2021-10-13 06:58:53,320 INFO L853 garLoopResultBuilder]: At program point L624-4(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:58:53,320 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2021-10-13 06:58:53,320 INFO L853 garLoopResultBuilder]: At program point L624-5(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,320 INFO L853 garLoopResultBuilder]: At program point L558-3(lines 1 1016) the Hoare annotation is: false [2021-10-13 06:58:53,320 INFO L853 garLoopResultBuilder]: At program point L624-6(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,321 INFO L857 garLoopResultBuilder]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2021-10-13 06:58:53,321 INFO L853 garLoopResultBuilder]: At program point L624-7(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,321 INFO L853 garLoopResultBuilder]: At program point L558-5(lines 1 1016) the Hoare annotation is: false [2021-10-13 06:58:53,321 INFO L853 garLoopResultBuilder]: At program point L624-8(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,321 INFO L853 garLoopResultBuilder]: At program point L624-9(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,321 INFO L853 garLoopResultBuilder]: At program point L624-10(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,322 INFO L853 garLoopResultBuilder]: At program point L624-11(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,322 INFO L853 garLoopResultBuilder]: At program point L624-12(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,322 INFO L853 garLoopResultBuilder]: At program point L624-13(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,322 INFO L853 garLoopResultBuilder]: At program point L624-14(lines 619 627) the Hoare annotation is: false [2021-10-13 06:58:53,322 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,322 INFO L857 garLoopResultBuilder]: For program point L823-2(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,322 INFO L857 garLoopResultBuilder]: For program point L823-4(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-6(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-8(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-10(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-12(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-14(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-16(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-18(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,323 INFO L857 garLoopResultBuilder]: For program point L823-20(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,324 INFO L857 garLoopResultBuilder]: For program point L823-22(lines 823 829) no Hoare annotation was computed. [2021-10-13 06:58:53,324 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-10-13 06:58:53,324 INFO L857 garLoopResultBuilder]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2021-10-13 06:58:53,324 INFO L857 garLoopResultBuilder]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2021-10-13 06:58:53,324 INFO L857 garLoopResultBuilder]: For program point L761(lines 761 778) no Hoare annotation was computed. [2021-10-13 06:58:53,324 INFO L857 garLoopResultBuilder]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2021-10-13 06:58:53,324 INFO L857 garLoopResultBuilder]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2021-10-13 06:58:53,325 INFO L857 garLoopResultBuilder]: For program point L761-3(lines 761 778) no Hoare annotation was computed. [2021-10-13 06:58:53,325 INFO L857 garLoopResultBuilder]: For program point L761-4(lines 761 778) no Hoare annotation was computed. [2021-10-13 06:58:53,325 INFO L857 garLoopResultBuilder]: For program point L761-5(lines 761 778) no Hoare annotation was computed. [2021-10-13 06:58:53,329 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:58:53,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:58:53 BoogieIcfgContainer [2021-10-13 06:58:53,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:58:53,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:58:53,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:58:53,355 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:58:53,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:58:24" (3/4) ... [2021-10-13 06:58:53,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:58:53,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 06:58:53,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 06:58:53,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 06:58:53,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 06:58:53,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 06:58:53,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:58:53,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:58:53,429 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-13 06:58:53,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-13 06:58:53,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-13 06:58:53,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-13 06:58:53,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-13 06:58:53,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:58:53,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-13 06:58:53,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-13 06:58:53,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-13 06:58:53,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning [2021-10-13 06:58:53,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:58:53,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 06:58:53,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-13 06:58:53,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-13 06:58:53,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 [2021-10-13 06:58:53,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-13 06:58:53,522 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:58:53,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:58:53,524 INFO L168 Benchmark]: Toolchain (without parser) took 32776.58 ms. Allocated memory was 60.8 MB in the beginning and 136.3 MB in the end (delta: 75.5 MB). Free memory was 37.9 MB in the beginning and 57.7 MB in the end (delta: -19.8 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:53,524 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:58:53,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.61 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 28.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:53,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.46 ms. Allocated memory is still 60.8 MB. Free memory was 28.3 MB in the beginning and 38.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:53,525 INFO L168 Benchmark]: Boogie Preprocessor took 71.52 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 34.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:53,526 INFO L168 Benchmark]: RCFGBuilder took 2552.35 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 42.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:53,526 INFO L168 Benchmark]: TraceAbstraction took 29237.37 ms. Allocated memory was 75.5 MB in the beginning and 136.3 MB in the end (delta: 60.8 MB). Free memory was 41.6 MB in the beginning and 75.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:53,526 INFO L168 Benchmark]: Witness Printer took 167.52 ms. Allocated memory is still 136.3 MB. Free memory was 75.7 MB in the beginning and 57.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-13 06:58:53,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.61 ms. Allocated memory is still 60.8 MB. Free memory was 37.7 MB in the beginning and 28.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.46 ms. Allocated memory is still 60.8 MB. Free memory was 28.3 MB in the beginning and 38.6 MB in the end (delta: -10.3 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.52 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 34.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2552.35 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 42.0 MB in the end (delta: -7.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29237.37 ms. Allocated memory was 75.5 MB in the beginning and 136.3 MB in the end (delta: 60.8 MB). Free memory was 41.6 MB in the beginning and 75.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 16.1 GB. * Witness Printer took 167.52 ms. Allocated memory is still 136.3 MB. Free memory was 75.7 MB in the beginning and 57.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 688]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 688]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 688]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 29155.3ms, OverallIterations: 12, TraceHistogramMax: 3, EmptinessCheckTime: 49.6ms, AutomataDifference: 8438.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7075.5ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2081 SDtfs, 5064 SDslu, 5432 SDs, 0 SdLazy, 951 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5608.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1515 GetRequests, 1386 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1954 ImplicationChecksByTransitivity, 1693.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=11, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 445.1ms AutomataMinimizationTime, 12 MinimizatonAttempts, 3383 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 199 NumberOfFragments, 754 HoareAnnotationTreeSize, 92 FomulaSimplifications, 240447 FormulaSimplificationTreeSizeReduction, 1851.7ms HoareSimplificationTime, 92 FomulaSimplificationsInter, 311649 FormulaSimplificationTreeSizeReductionInter, 5208.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 421.9ms SsaConstructionTime, 1690.1ms SatisfiabilityAnalysisTime, 4689.0ms InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1428 ConstructedInterpolants, 0 QuantifiedInterpolants, 2982 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3677 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 336/404 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((((tmp == 1bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((tmp == 1bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 06:58:53,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45170b02-0a17-4c4b-9438-6611bdfdaf4c/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...