./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f ............................................................................................................................................ 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_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:32,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:32,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:32,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:32,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:32,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:32,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:32,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:32,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:32,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:32,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:32,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:32,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:32,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:32,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:32,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:32,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:32,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:32,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:32,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:32,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:32,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:32,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:32,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:32,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:32,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:32,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:32,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:32,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:32,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:32,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:32,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:32,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:32,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:32,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:32,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:32,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:32,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:32,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:32,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:32,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:32,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:32,318 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:32,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:32,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:32,320 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:32,320 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:32,320 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:32,321 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:32,321 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:32,327 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:32,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:32,328 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:32,329 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:32,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:32,329 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:32,329 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:32,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:32,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:32,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:32,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:32,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:32,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:32,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:32,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:32,332 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:32,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:32,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:32,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:32,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:32,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:32,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:32,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:32,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:32,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:32,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:32,336 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:32,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:32,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:32,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:32,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:32,337 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_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f [2021-10-11 02:20:32,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:32,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:32,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:32,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:32,654 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:32,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-11 02:20:32,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/93e77dc42/3fb05d680ef04d6f92498df9a731cd3c/FLAG263eb025c [2021-10-11 02:20:33,215 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:33,215 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-11 02:20:33,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/93e77dc42/3fb05d680ef04d6f92498df9a731cd3c/FLAG263eb025c [2021-10-11 02:20:33,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/93e77dc42/3fb05d680ef04d6f92498df9a731cd3c [2021-10-11 02:20:33,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:33,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:33,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:33,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:33,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:33,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:33" (1/1) ... [2021-10-11 02:20:33,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697a4edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:33, skipping insertion in model container [2021-10-11 02:20:33,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:33" (1/1) ... [2021-10-11 02:20:33,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:33,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:33,830 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2021-10-11 02:20:33,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:34,003 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:20:34,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a97123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:34, skipping insertion in model container [2021-10-11 02:20:34,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:34,004 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:20:34,006 INFO L168 Benchmark]: Toolchain (without parser) took 482.41 ms. Allocated memory is still 104.9 MB. Free memory was 64.8 MB in the beginning and 75.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:34,007 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 104.9 MB. Free memory was 82.0 MB in the beginning and 81.9 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:34,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.56 ms. Allocated memory is still 104.9 MB. Free memory was 64.6 MB in the beginning and 75.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:34,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 104.9 MB. Free memory was 82.0 MB in the beginning and 81.9 MB in the end (delta: 51.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.56 ms. Allocated memory is still 104.9 MB. Free memory was 64.6 MB in the beginning and 75.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 614]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:36,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:36,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:36,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:36,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:36,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:36,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:36,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:36,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:36,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:36,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:36,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:36,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:36,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:36,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:36,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:36,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:36,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:36,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:36,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:36,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:36,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:36,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:36,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:36,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:36,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:36,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:36,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:36,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:36,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:36,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:36,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:36,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:36,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:36,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:36,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:36,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:36,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:36,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:36,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:36,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:36,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:36,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:36,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:36,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:36,469 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:36,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:36,469 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:36,469 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:36,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:36,470 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:36,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:36,471 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:36,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:36,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:36,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:36,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:36,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:36,472 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:36,472 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:36,472 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:36,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:36,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:36,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:36,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:36,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:36,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:36,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:36,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:36,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:36,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:36,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:36,474 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:36,475 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:36,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:36,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:36,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:36,475 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_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f [2021-10-11 02:20:36,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:36,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:36,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:36,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:36,848 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:36,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-11 02:20:36,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/984389ba4/bf24cb1675e94eee90e54da5c395676c/FLAG45fa0d63e [2021-10-11 02:20:37,502 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:37,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-11 02:20:37,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/984389ba4/bf24cb1675e94eee90e54da5c395676c/FLAG45fa0d63e [2021-10-11 02:20:37,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/data/984389ba4/bf24cb1675e94eee90e54da5c395676c [2021-10-11 02:20:37,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:37,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:37,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:37,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:37,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:37,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:37" (1/1) ... [2021-10-11 02:20:37,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539350ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:37, skipping insertion in model container [2021-10-11 02:20:37,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:37" (1/1) ... [2021-10-11 02:20:37,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:37,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:38,031 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2021-10-11 02:20:38,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:38,271 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:20:38,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:38,284 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2021-10-11 02:20:38,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:38,341 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:38,354 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1281,1294] [2021-10-11 02:20:38,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:38,466 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:38,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38 WrapperNode [2021-10-11 02:20:38,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:38,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:38,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:38,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:38,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:38,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:38,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:38,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:38,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... [2021-10-11 02:20:38,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:38,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:38,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:38,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:38,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:20:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:41,005 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:41,005 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-11 02:20:41,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:41 BoogieIcfgContainer [2021-10-11 02:20:41,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:41,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:41,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:41,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:41,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:37" (1/3) ... [2021-10-11 02:20:41,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f1a081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:41, skipping insertion in model container [2021-10-11 02:20:41,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:38" (2/3) ... [2021-10-11 02:20:41,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f1a081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:41, skipping insertion in model container [2021-10-11 02:20:41,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:41" (3/3) ... [2021-10-11 02:20:41,015 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2021-10-11 02:20:41,028 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:41,032 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:20:41,042 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:20:41,067 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:41,068 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:41,068 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:41,068 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:41,068 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:41,068 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:41,069 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:41,069 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2021-10-11 02:20:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:20:41,090 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:41,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:41,092 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:41,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2021-10-11 02:20:41,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:41,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769476941] [2021-10-11 02:20:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:41,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:20:41,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:41,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:41,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769476941] [2021-10-11 02:20:41,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:41,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:41,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184615997] [2021-10-11 02:20:41,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:20:41,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:41,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:20:41,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:41,394 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2021-10-11 02:20:41,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:41,449 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-10-11 02:20:41,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:20:41,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:20:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:41,464 INFO L225 Difference]: With dead ends: 223 [2021-10-11 02:20:41,464 INFO L226 Difference]: Without dead ends: 111 [2021-10-11 02:20:41,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:41,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-11 02:20:41,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-11 02:20:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 02:20:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-10-11 02:20:41,507 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-10-11 02:20:41,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:41,507 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-10-11 02:20:41,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:20:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-10-11 02:20:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:20:41,509 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:41,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:41,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:41,729 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:41,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:41,730 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2021-10-11 02:20:41,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:41,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459722431] [2021-10-11 02:20:41,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:41,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:41,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:41,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:41,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459722431] [2021-10-11 02:20:41,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:41,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:41,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536828151] [2021-10-11 02:20:41,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:41,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:41,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:41,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:41,972 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 3 states. [2021-10-11 02:20:41,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:41,984 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-10-11 02:20:41,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:41,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:20:41,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:41,986 INFO L225 Difference]: With dead ends: 111 [2021-10-11 02:20:41,986 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:20:41,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:20:41,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:20:41,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:20:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 02:20:41,993 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-11 02:20:41,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:41,994 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 02:20:41,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:41,994 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 02:20:41,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:20:41,995 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:41,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:42,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,211 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:42,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:42,212 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2021-10-11 02:20:42,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:42,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053561269] [2021-10-11 02:20:42,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:42,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:42,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:42,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:42,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053561269] [2021-10-11 02:20:42,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:42,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:42,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554927255] [2021-10-11 02:20:42,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:42,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:42,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:42,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:42,442 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 02:20:42,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:42,475 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-10-11 02:20:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:42,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:20:42,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:42,477 INFO L225 Difference]: With dead ends: 87 [2021-10-11 02:20:42,477 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:20:42,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:42,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:20:42,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:20:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:20:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 02:20:42,487 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-11 02:20:42,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:42,488 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 02:20:42,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 02:20:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:20:42,489 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:42,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:42,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,709 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:42,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:42,710 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2021-10-11 02:20:42,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:42,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794154914] [2021-10-11 02:20:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:42,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:42,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:42,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:42,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794154914] [2021-10-11 02:20:42,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:42,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:42,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519294080] [2021-10-11 02:20:42,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:42,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:42,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:42,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:42,927 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 02:20:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:43,008 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-11 02:20:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:43,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:20:43,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:43,013 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:20:43,013 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 02:20:43,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:43,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 02:20:43,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-11 02:20:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2021-10-11 02:20:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-10-11 02:20:43,024 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-10-11 02:20:43,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:43,025 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-10-11 02:20:43,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-10-11 02:20:43,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:20:43,026 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:43,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:43,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:20:43,227 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:43,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2021-10-11 02:20:43,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:43,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241731786] [2021-10-11 02:20:43,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:43,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:43,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:43,457 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:43,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241731786] [2021-10-11 02:20:43,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:43,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:43,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068269459] [2021-10-11 02:20:43,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:43,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:43,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:43,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:43,459 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2021-10-11 02:20:43,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:43,588 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2021-10-11 02:20:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:20:43,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:20:43,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:43,590 INFO L225 Difference]: With dead ends: 313 [2021-10-11 02:20:43,590 INFO L226 Difference]: Without dead ends: 253 [2021-10-11 02:20:43,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:20:43,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-10-11 02:20:43,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2021-10-11 02:20:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-10-11 02:20:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-10-11 02:20:43,612 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2021-10-11 02:20:43,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:43,613 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-10-11 02:20:43,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-10-11 02:20:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:20:43,614 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:43,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:43,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:20:43,827 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:43,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:43,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2021-10-11 02:20:43,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:43,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88285826] [2021-10-11 02:20:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:44,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:44,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:44,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:44,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88285826] [2021-10-11 02:20:44,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:44,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:44,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801647267] [2021-10-11 02:20:44,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:44,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:44,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:44,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:44,131 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 5 states. [2021-10-11 02:20:44,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:44,388 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2021-10-11 02:20:44,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:20:44,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:20:44,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:44,405 INFO L225 Difference]: With dead ends: 436 [2021-10-11 02:20:44,405 INFO L226 Difference]: Without dead ends: 324 [2021-10-11 02:20:44,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:20:44,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-11 02:20:44,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2021-10-11 02:20:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-10-11 02:20:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2021-10-11 02:20:44,425 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2021-10-11 02:20:44,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:44,425 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2021-10-11 02:20:44,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:44,426 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2021-10-11 02:20:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:20:44,427 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:44,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:44,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:20:44,642 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:44,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:44,643 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2021-10-11 02:20:44,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:44,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093517965] [2021-10-11 02:20:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:44,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:44,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:44,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:44,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:44,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093517965] [2021-10-11 02:20:44,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:44,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:44,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945081675] [2021-10-11 02:20:44,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:44,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:44,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:44,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:44,889 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand 5 states. [2021-10-11 02:20:45,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:45,004 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2021-10-11 02:20:45,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:20:45,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:20:45,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:45,007 INFO L225 Difference]: With dead ends: 315 [2021-10-11 02:20:45,008 INFO L226 Difference]: Without dead ends: 204 [2021-10-11 02:20:45,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:20:45,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-11 02:20:45,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2021-10-11 02:20:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2021-10-11 02:20:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-10-11 02:20:45,033 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-10-11 02:20:45,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:45,033 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-10-11 02:20:45,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-10-11 02:20:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:20:45,034 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:45,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:45,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:20:45,235 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:45,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:45,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2021-10-11 02:20:45,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:45,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311650297] [2021-10-11 02:20:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:45,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:20:45,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:45,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:45,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311650297] [2021-10-11 02:20:45,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:45,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:45,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128669303] [2021-10-11 02:20:45,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:20:45,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:45,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:20:45,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:20:45,492 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 4 states. [2021-10-11 02:20:45,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:45,562 INFO L93 Difference]: Finished difference Result 311 states and 421 transitions. [2021-10-11 02:20:45,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:20:45,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:20:45,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:45,565 INFO L225 Difference]: With dead ends: 311 [2021-10-11 02:20:45,565 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:20:45,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:45,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:20:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 138. [2021-10-11 02:20:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 02:20:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-10-11 02:20:45,585 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-10-11 02:20:45,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:45,585 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-10-11 02:20:45,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:20:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-10-11 02:20:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:20:45,587 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:45,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:45,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:20:45,795 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:45,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:45,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2021-10-11 02:20:45,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:45,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329684143] [2021-10-11 02:20:45,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:45,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:45,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:46,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:46,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329684143] [2021-10-11 02:20:46,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:46,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:46,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074726449] [2021-10-11 02:20:46,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:46,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:46,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:46,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:46,048 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 3 states. [2021-10-11 02:20:46,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:46,092 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2021-10-11 02:20:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:46,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 02:20:46,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:46,094 INFO L225 Difference]: With dead ends: 319 [2021-10-11 02:20:46,094 INFO L226 Difference]: Without dead ends: 188 [2021-10-11 02:20:46,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:46,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-11 02:20:46,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-10-11 02:20:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-10-11 02:20:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2021-10-11 02:20:46,119 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2021-10-11 02:20:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:46,119 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2021-10-11 02:20:46,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2021-10-11 02:20:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:20:46,121 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:46,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:46,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:20:46,337 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:46,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:46,338 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2021-10-11 02:20:46,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:46,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640655465] [2021-10-11 02:20:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:46,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:46,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:46,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:46,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640655465] [2021-10-11 02:20:46,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:46,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:46,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702824543] [2021-10-11 02:20:46,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:46,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:46,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:46,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:46,598 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand 3 states. [2021-10-11 02:20:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:46,662 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2021-10-11 02:20:46,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:46,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:20:46,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:46,666 INFO L225 Difference]: With dead ends: 287 [2021-10-11 02:20:46,666 INFO L226 Difference]: Without dead ends: 285 [2021-10-11 02:20:46,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:46,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-11 02:20:46,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2021-10-11 02:20:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 02:20:46,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2021-10-11 02:20:46,695 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2021-10-11 02:20:46,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:46,695 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2021-10-11 02:20:46,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2021-10-11 02:20:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 02:20:46,699 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:46,699 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:46,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:20:46,918 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:46,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:46,919 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2021-10-11 02:20:46,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:46,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412474326] [2021-10-11 02:20:46,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:47,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:20:47,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:20:47,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:47,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412474326] [2021-10-11 02:20:47,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:47,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:20:47,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716888106] [2021-10-11 02:20:47,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:20:47,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:20:47,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:20:47,196 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand 6 states. [2021-10-11 02:20:48,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:48,567 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2021-10-11 02:20:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:20:48,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 02:20:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:48,580 INFO L225 Difference]: With dead ends: 720 [2021-10-11 02:20:48,581 INFO L226 Difference]: Without dead ends: 499 [2021-10-11 02:20:48,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:20:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-10-11 02:20:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2021-10-11 02:20:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2021-10-11 02:20:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2021-10-11 02:20:48,612 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2021-10-11 02:20:48,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:48,614 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2021-10-11 02:20:48,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:20:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2021-10-11 02:20:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:20:48,615 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:48,616 INFO L422 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] [2021-10-11 02:20:48,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:20:48,833 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:48,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:48,837 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2021-10-11 02:20:48,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:48,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100067278] [2021-10-11 02:20:48,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:49,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:49,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:49,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:49,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100067278] [2021-10-11 02:20:49,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:49,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:49,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222613219] [2021-10-11 02:20:49,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:49,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:49,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:49,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:49,155 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand 3 states. [2021-10-11 02:20:50,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:50,464 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2021-10-11 02:20:50,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:50,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 02:20:50,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:50,465 INFO L225 Difference]: With dead ends: 325 [2021-10-11 02:20:50,465 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:20:50,466 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:50,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:20:50,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:20:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:20:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:20:50,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 02:20:50,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:50,467 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:20:50,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:20:50,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:20:50,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:20:50,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:20:50,821 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2021-10-11 02:20:50,954 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 61 [2021-10-11 02:20:51,149 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 91 [2021-10-11 02:20:51,394 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 93 [2021-10-11 02:20:51,614 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 91 [2021-10-11 02:20:51,934 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 80 [2021-10-11 02:20:52,037 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2021-10-11 02:20:52,298 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2021-10-11 02:20:52,604 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 31 [2021-10-11 02:20:53,024 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2021-10-11 02:20:53,313 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 31 [2021-10-11 02:20:53,611 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 24 [2021-10-11 02:20:53,959 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 29 [2021-10-11 02:20:54,239 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2021-10-11 02:20:54,626 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 30 [2021-10-11 02:20:54,776 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2021-10-11 02:20:55,172 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 23 [2021-10-11 02:20:55,176 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:20:55,176 INFO L262 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-10-11 02:20:55,176 INFO L262 CegarLoopResult]: For program point L498-3(lines 498 502) no Hoare annotation was computed. [2021-10-11 02:20:55,176 INFO L262 CegarLoopResult]: For program point L498-6(lines 498 502) no Hoare annotation was computed. [2021-10-11 02:20:55,176 INFO L262 CegarLoopResult]: For program point L367(lines 367 380) no Hoare annotation was computed. [2021-10-11 02:20:55,177 INFO L262 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2021-10-11 02:20:55,177 INFO L258 CegarLoopResult]: At program point L70-1(lines 1 950) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse4 .cse6) (and .cse5 .cse0 .cse7 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4))) [2021-10-11 02:20:55,177 INFO L262 CegarLoopResult]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2021-10-11 02:20:55,177 INFO L258 CegarLoopResult]: At program point L70-3(lines 1 950) the Hoare annotation is: false [2021-10-11 02:20:55,177 INFO L262 CegarLoopResult]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2021-10-11 02:20:55,178 INFO L258 CegarLoopResult]: At program point L70-5(lines 1 950) the Hoare annotation is: false [2021-10-11 02:20:55,178 INFO L262 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2021-10-11 02:20:55,178 INFO L262 CegarLoopResult]: For program point L203-1(lines 203 220) no Hoare annotation was computed. [2021-10-11 02:20:55,178 INFO L262 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2021-10-11 02:20:55,178 INFO L258 CegarLoopResult]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:20:55,179 INFO L258 CegarLoopResult]: At program point L535-1(lines 530 538) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4 .cse7))) [2021-10-11 02:20:55,179 INFO L258 CegarLoopResult]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2021-10-11 02:20:55,179 INFO L258 CegarLoopResult]: At program point L535-3(lines 530 538) the Hoare annotation is: false [2021-10-11 02:20:55,179 INFO L258 CegarLoopResult]: At program point L535-4(lines 530 538) the Hoare annotation is: false [2021-10-11 02:20:55,179 INFO L258 CegarLoopResult]: At program point L535-5(lines 530 538) the Hoare annotation is: false [2021-10-11 02:20:55,179 INFO L262 CegarLoopResult]: For program point L338(lines 337 384) no Hoare annotation was computed. [2021-10-11 02:20:55,179 INFO L262 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,179 INFO L262 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2021-10-11 02:20:55,180 INFO L262 CegarLoopResult]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,181 INFO L262 CegarLoopResult]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2021-10-11 02:20:55,181 INFO L262 CegarLoopResult]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,181 INFO L262 CegarLoopResult]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,181 INFO L262 CegarLoopResult]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,181 INFO L262 CegarLoopResult]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2021-10-11 02:20:55,181 INFO L262 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-10-11 02:20:55,181 INFO L258 CegarLoopResult]: At program point L405-2(lines 405 419) the Hoare annotation is: false [2021-10-11 02:20:55,181 INFO L262 CegarLoopResult]: For program point L207(lines 207 215) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point L207-1(lines 207 215) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2021-10-11 02:20:55,182 INFO L262 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-10-11 02:20:55,183 INFO L258 CegarLoopResult]: At program point L375-2(lines 145 151) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse4))) [2021-10-11 02:20:55,183 INFO L262 CegarLoopResult]: For program point L177(lines 177 194) no Hoare annotation was computed. [2021-10-11 02:20:55,183 INFO L262 CegarLoopResult]: For program point L177-1(lines 177 194) no Hoare annotation was computed. [2021-10-11 02:20:55,183 INFO L262 CegarLoopResult]: For program point L177-2(lines 177 194) no Hoare annotation was computed. [2021-10-11 02:20:55,183 INFO L262 CegarLoopResult]: For program point L177-3(lines 177 194) no Hoare annotation was computed. [2021-10-11 02:20:55,183 INFO L262 CegarLoopResult]: For program point L177-4(lines 177 194) no Hoare annotation was computed. [2021-10-11 02:20:55,183 INFO L262 CegarLoopResult]: For program point L177-5(lines 177 194) no Hoare annotation was computed. [2021-10-11 02:20:55,184 INFO L262 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2021-10-11 02:20:55,184 INFO L262 CegarLoopResult]: For program point L409-1(lines 145 151) no Hoare annotation was computed. [2021-10-11 02:20:55,184 INFO L258 CegarLoopResult]: At program point L145(lines 144 163) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse4) (and .cse1 .cse5 .cse6 .cse4))) [2021-10-11 02:20:55,184 INFO L262 CegarLoopResult]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2021-10-11 02:20:55,184 INFO L258 CegarLoopResult]: At program point L145-2(lines 144 163) the Hoare annotation is: false [2021-10-11 02:20:55,184 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:20:55,184 INFO L258 CegarLoopResult]: At program point L145-3(lines 144 163) the Hoare annotation is: false [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L575-3(lines 575 581) no Hoare annotation was computed. [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2021-10-11 02:20:55,185 INFO L262 CegarLoopResult]: For program point L575-5(lines 575 581) no Hoare annotation was computed. [2021-10-11 02:20:55,186 INFO L258 CegarLoopResult]: At program point L311(lines 296 314) the Hoare annotation is: false [2021-10-11 02:20:55,186 INFO L258 CegarLoopResult]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:20:55,186 INFO L258 CegarLoopResult]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2021-10-11 02:20:55,186 INFO L258 CegarLoopResult]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2021-10-11 02:20:55,186 INFO L258 CegarLoopResult]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2021-10-11 02:20:55,186 INFO L258 CegarLoopResult]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2021-10-11 02:20:55,186 INFO L262 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-10-11 02:20:55,187 INFO L262 CegarLoopResult]: For program point L477(lines 477 484) no Hoare annotation was computed. [2021-10-11 02:20:55,187 INFO L265 CegarLoopResult]: At program point L477-1(lines 477 484) the Hoare annotation is: true [2021-10-11 02:20:55,187 INFO L258 CegarLoopResult]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2021-10-11 02:20:55,187 INFO L258 CegarLoopResult]: At program point L247-1(lines 240 250) the Hoare annotation is: false [2021-10-11 02:20:55,187 INFO L262 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2021-10-11 02:20:55,187 INFO L258 CegarLoopResult]: At program point L247-2(lines 240 250) the Hoare annotation is: false [2021-10-11 02:20:55,187 INFO L262 CegarLoopResult]: For program point L181-1(lines 181 189) no Hoare annotation was computed. [2021-10-11 02:20:55,187 INFO L262 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2021-10-11 02:20:55,188 INFO L262 CegarLoopResult]: For program point L181-3(lines 181 189) no Hoare annotation was computed. [2021-10-11 02:20:55,188 INFO L262 CegarLoopResult]: For program point L181-4(lines 181 189) no Hoare annotation was computed. [2021-10-11 02:20:55,188 INFO L262 CegarLoopResult]: For program point L181-5(lines 181 189) no Hoare annotation was computed. [2021-10-11 02:20:55,188 INFO L262 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2021-10-11 02:20:55,188 INFO L258 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse4 .cse6) (and .cse5 .cse0 .cse7 .cse3 .cse4 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4))) [2021-10-11 02:20:55,188 INFO L258 CegarLoopResult]: At program point L117(lines 1 950) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:55,188 INFO L258 CegarLoopResult]: At program point L580(lines 571 584) the Hoare annotation is: false [2021-10-11 02:20:55,189 INFO L258 CegarLoopResult]: At program point L580-1(lines 571 584) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2021-10-11 02:20:55,189 INFO L258 CegarLoopResult]: At program point L580-2(lines 571 584) the Hoare annotation is: false [2021-10-11 02:20:55,189 INFO L258 CegarLoopResult]: At program point L580-3(lines 571 584) the Hoare annotation is: false [2021-10-11 02:20:55,189 INFO L258 CegarLoopResult]: At program point L580-4(lines 571 584) the Hoare annotation is: false [2021-10-11 02:20:55,189 INFO L258 CegarLoopResult]: At program point L580-5(lines 571 584) the Hoare annotation is: false [2021-10-11 02:20:55,189 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:20:55,190 INFO L258 CegarLoopResult]: At program point L152(lines 152 158) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse1 .cse2 .cse4 .cse3) (and .cse1 .cse5 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3))) [2021-10-11 02:20:55,190 INFO L258 CegarLoopResult]: At program point L152-1(lines 152 158) the Hoare annotation is: false [2021-10-11 02:20:55,190 INFO L258 CegarLoopResult]: At program point L152-2(lines 152 158) the Hoare annotation is: false [2021-10-11 02:20:55,190 INFO L258 CegarLoopResult]: At program point L385(lines 336 386) the Hoare annotation is: false [2021-10-11 02:20:55,190 INFO L265 CegarLoopResult]: At program point L486(lines 467 489) the Hoare annotation is: true [2021-10-11 02:20:55,190 INFO L258 CegarLoopResult]: At program point L453(lines 449 455) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:55,190 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:20:55,191 INFO L258 CegarLoopResult]: At program point L256(lines 251 259) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2021-10-11 02:20:55,191 INFO L258 CegarLoopResult]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2021-10-11 02:20:55,191 INFO L258 CegarLoopResult]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2021-10-11 02:20:55,191 INFO L258 CegarLoopResult]: At program point L125(lines 120 128) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:55,191 INFO L258 CegarLoopResult]: At program point L59(lines 54 61) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:55,191 INFO L262 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-10-11 02:20:55,192 INFO L262 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-10-11 02:20:55,192 INFO L258 CegarLoopResult]: At program point L357-1(lines 357 363) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse4))) [2021-10-11 02:20:55,192 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:20:55,192 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:20:55,192 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:20:55,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:55 BoogieIcfgContainer [2021-10-11 02:20:55,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:55,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:55,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:55,253 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:55,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:41" (3/4) ... [2021-10-11 02:20:55,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:20:55,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:20:55,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:20:55,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:20:55,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:20:55,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:20:55,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:55,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:55,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:20:55,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:20:55,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:20:55,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:20:55,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:20:55,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:20:55,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:20:55,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:20:55,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:20:55,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2021-10-11 02:20:55,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:20:55,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd0d7e21-1b83-4d03-9a94-162b46719bc9/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:55,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:55,404 INFO L168 Benchmark]: Toolchain (without parser) took 17604.17 ms. Allocated memory was 54.5 MB in the beginning and 132.1 MB in the end (delta: 77.6 MB). Free memory was 32.0 MB in the beginning and 76.2 MB in the end (delta: -44.2 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:55,404 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:55,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.81 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 49.4 MB in the end (delta: -17.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:55,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.50 ms. Allocated memory is still 67.1 MB. Free memory was 49.4 MB in the beginning and 45.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:55,406 INFO L168 Benchmark]: Boogie Preprocessor took 62.71 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 43.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:55,406 INFO L168 Benchmark]: RCFGBuilder took 2397.50 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 42.9 MB in the beginning and 53.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:55,407 INFO L168 Benchmark]: TraceAbstraction took 14243.85 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 53.2 MB in the beginning and 85.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 63.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:55,407 INFO L168 Benchmark]: Witness Printer took 150.41 ms. Allocated memory is still 132.1 MB. Free memory was 85.6 MB in the beginning and 76.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:55,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.81 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.8 MB in the beginning and 49.4 MB in the end (delta: -17.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.50 ms. Allocated memory is still 67.1 MB. Free memory was 49.4 MB in the beginning and 45.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.71 ms. Allocated memory is still 67.1 MB. Free memory was 45.7 MB in the beginning and 43.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2397.50 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 42.9 MB in the beginning and 53.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14243.85 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 53.2 MB in the beginning and 85.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 63.1 MB. Max. memory is 16.1 GB. * Witness Printer took 150.41 ms. Allocated memory is still 132.1 MB. Free memory was 85.6 MB in the beginning and 76.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1100 SDtfs, 1120 SDslu, 1590 SDs, 0 SdLazy, 218 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 817 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 112 NumberOfFragments, 978 HoareAnnotationTreeSize, 44 FomulaSimplifications, 107068 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 30155 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 31091 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2576 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...