./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:23:49,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:23:49,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:23:49,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:23:49,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:23:49,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:23:49,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:23:49,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:23:49,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:23:49,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:23:49,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:23:49,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:23:49,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:23:49,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:23:49,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:23:49,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:23:49,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:23:49,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:23:49,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:23:49,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:23:49,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:23:49,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:23:49,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:23:49,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:23:49,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:23:49,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:23:49,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:23:49,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:23:49,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:23:49,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:23:49,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:23:49,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:23:49,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:23:49,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:23:49,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:23:49,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:23:49,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:23:49,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:23:49,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:23:49,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:23:49,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:23:49,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:23:49,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:23:49,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:23:49,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:23:49,367 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:23:49,367 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:23:49,367 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:23:49,367 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:23:49,367 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:23:49,367 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:23:49,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:23:49,368 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:23:49,368 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:23:49,368 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:23:49,368 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:23:49,368 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:23:49,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:23:49,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:23:49,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:23:49,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:23:49,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:23:49,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:23:49,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:23:49,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:23:49,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:23:49,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:23:49,371 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan 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(__VERIFIER_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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2019-12-07 10:23:49,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:23:49,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:23:49,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:23:49,482 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:23:49,482 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:23:49,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2019-12-07 10:23:49,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/0578a26f1/329e79fd3e37403e972691b0f97b78b6/FLAGd639e0a2d [2019-12-07 10:23:49,971 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:23:49,972 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2019-12-07 10:23:49,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/0578a26f1/329e79fd3e37403e972691b0f97b78b6/FLAGd639e0a2d [2019-12-07 10:23:49,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/0578a26f1/329e79fd3e37403e972691b0f97b78b6 [2019-12-07 10:23:49,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:23:49,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:23:49,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:23:49,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:23:50,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:23:50,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:23:49" (1/1) ... [2019-12-07 10:23:50,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@881d7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:50, skipping insertion in model container [2019-12-07 10:23:50,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:23:49" (1/1) ... [2019-12-07 10:23:50,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:23:50,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:23:50,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:23:50,262 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) [2019-12-07 10:23:50,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@133d33ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:50, skipping insertion in model container [2019-12-07 10:23:50,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:23:50,263 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:23:50,265 INFO L168 Benchmark]: Toolchain (without parser) took 267.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:23:50,265 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:23:50,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:23:50,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 612]: 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 0.1.25-f470102 [2019-12-07 10:23:51,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:23:51,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:23:51,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:23:51,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:23:51,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:23:51,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:23:51,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:23:51,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:23:51,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:23:51,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:23:51,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:23:51,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:23:51,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:23:51,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:23:51,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:23:51,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:23:51,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:23:51,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:23:51,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:23:51,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:23:51,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:23:51,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:23:51,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:23:51,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:23:51,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:23:51,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:23:51,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:23:51,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:23:51,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:23:51,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:23:51,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:23:51,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:23:51,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:23:51,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:23:51,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:23:51,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:23:51,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:23:51,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:23:51,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:23:51,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:23:51,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:23:51,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:23:51,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:23:51,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:23:51,434 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:23:51,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:23:51,434 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:23:51,435 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:23:51,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:23:51,435 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:23:51,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:23:51,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:23:51,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:23:51,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:23:51,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:23:51,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:23:51,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:23:51,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:23:51,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:23:51,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:23:51,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:23:51,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:23:51,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:23:51,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:23:51,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:23:51,438 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:23:51,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:23:51,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:23:51,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:23:51,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:23:51,439 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan 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(__VERIFIER_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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2019-12-07 10:23:51,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:23:51,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:23:51,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:23:51,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:23:51,625 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:23:51,625 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2019-12-07 10:23:51,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/755f906f4/90eae92bab404fc69aa558021f666e9e/FLAGf561cc034 [2019-12-07 10:23:52,043 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:23:52,043 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2019-12-07 10:23:52,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/755f906f4/90eae92bab404fc69aa558021f666e9e/FLAGf561cc034 [2019-12-07 10:23:52,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/data/755f906f4/90eae92bab404fc69aa558021f666e9e [2019-12-07 10:23:52,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:23:52,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:23:52,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:23:52,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:23:52,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:23:52,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52, skipping insertion in model container [2019-12-07 10:23:52,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:23:52,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:23:52,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:23:52,701 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 10:23:52,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:23:52,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:23:52,760 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:23:52,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:23:52,827 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:23:52,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52 WrapperNode [2019-12-07 10:23:52,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:23:52,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:23:52,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:23:52,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:23:52,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:23:52,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:23:52,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:23:52,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:23:52,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... [2019-12-07 10:23:52,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:23:52,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:23:52,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:23:52,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:23:52,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:23:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 10:23:52,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:23:52,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:23:53,525 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:23:53,525 INFO L287 CfgBuilder]: Removed 160 assume(true) statements. [2019-12-07 10:23:53,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:23:53 BoogieIcfgContainer [2019-12-07 10:23:53,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:23:53,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:23:53,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:23:53,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:23:53,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:23:52" (1/3) ... [2019-12-07 10:23:53,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd34d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:23:53, skipping insertion in model container [2019-12-07 10:23:53,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:23:52" (2/3) ... [2019-12-07 10:23:53,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd34d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:23:53, skipping insertion in model container [2019-12-07 10:23:53,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:23:53" (3/3) ... [2019-12-07 10:23:53,534 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2019-12-07 10:23:53,541 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:23:53,547 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 10:23:53,555 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 10:23:53,574 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:23:53,574 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:23:53,575 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:23:53,575 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:23:53,575 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:23:53,575 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:23:53,575 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:23:53,575 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:23:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 10:23:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 10:23:53,594 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:53,595 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:23:53,595 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:53,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:53,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2019-12-07 10:23:53,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:53,609 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219169536] [2019-12-07 10:23:53,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:53,755 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 10:23:53,758 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:53,769 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:53,774 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219169536] [2019-12-07 10:23:53,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:53,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:23:53,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962509790] [2019-12-07 10:23:53,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 10:23:53,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:53,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 10:23:53,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:23:53,789 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 10:23:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:53,811 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2019-12-07 10:23:53,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 10:23:53,812 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 10:23:53,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:53,820 INFO L225 Difference]: With dead ends: 223 [2019-12-07 10:23:53,820 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 10:23:53,822 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 10:23:53,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 10:23:53,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 10:23:53,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 10:23:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2019-12-07 10:23:53,854 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2019-12-07 10:23:53,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:53,854 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2019-12-07 10:23:53,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 10:23:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2019-12-07 10:23:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 10:23:53,855 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:53,855 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:23:54,055 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:23:54,056 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:54,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:54,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2019-12-07 10:23:54,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:54,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766249631] [2019-12-07 10:23:54,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:54,187 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:23:54,189 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:54,204 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:54,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766249631] [2019-12-07 10:23:54,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:54,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:23:54,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594478716] [2019-12-07 10:23:54,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:23:54,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:54,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:23:54,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:54,216 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 4 states. [2019-12-07 10:23:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:54,228 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2019-12-07 10:23:54,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:23:54,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 10:23:54,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:54,230 INFO L225 Difference]: With dead ends: 111 [2019-12-07 10:23:54,230 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 10:23:54,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:54,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 10:23:54,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 10:23:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 10:23:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-12-07 10:23:54,235 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-12-07 10:23:54,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:54,236 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-12-07 10:23:54,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:23:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-12-07 10:23:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:23:54,237 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:54,237 INFO L410 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] [2019-12-07 10:23:54,437 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:23:54,438 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:54,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:54,439 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2019-12-07 10:23:54,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:54,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480247278] [2019-12-07 10:23:54,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:54,572 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:23:54,574 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:54,581 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:54,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:54,587 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480247278] [2019-12-07 10:23:54,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:54,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:23:54,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478665871] [2019-12-07 10:23:54,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:23:54,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:54,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:23:54,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:54,589 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 4 states. [2019-12-07 10:23:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:54,624 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2019-12-07 10:23:54,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:23:54,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 10:23:54,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:54,625 INFO L225 Difference]: With dead ends: 87 [2019-12-07 10:23:54,625 INFO L226 Difference]: Without dead ends: 47 [2019-12-07 10:23:54,626 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:54,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-12-07 10:23:54,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-12-07 10:23:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-12-07 10:23:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-12-07 10:23:54,631 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-12-07 10:23:54,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:54,631 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-12-07 10:23:54,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:23:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-07 10:23:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 10:23:54,632 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:54,633 INFO L410 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] [2019-12-07 10:23:54,833 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:23:54,834 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:54,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:54,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2019-12-07 10:23:54,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:54,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510226119] [2019-12-07 10:23:54,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:54,963 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:23:54,965 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:54,970 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:54,972 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510226119] [2019-12-07 10:23:54,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:54,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:23:54,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103870488] [2019-12-07 10:23:54,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:23:54,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:54,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:23:54,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:23:54,973 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-12-07 10:23:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:55,024 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2019-12-07 10:23:55,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:23:55,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 10:23:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:55,025 INFO L225 Difference]: With dead ends: 109 [2019-12-07 10:23:55,025 INFO L226 Difference]: Without dead ends: 69 [2019-12-07 10:23:55,026 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:23:55,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-12-07 10:23:55,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2019-12-07 10:23:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 10:23:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2019-12-07 10:23:55,033 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2019-12-07 10:23:55,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:55,033 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2019-12-07 10:23:55,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:23:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-12-07 10:23:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 10:23:55,034 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:55,034 INFO L410 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] [2019-12-07 10:23:55,234 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 10:23:55,235 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:55,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2019-12-07 10:23:55,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:55,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225877165] [2019-12-07 10:23:55,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:55,345 INFO L264 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:23:55,346 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:55,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:55,359 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:55,368 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225877165] [2019-12-07 10:23:55,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:55,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 10:23:55,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141564693] [2019-12-07 10:23:55,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:23:55,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:55,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:23:55,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:23:55,369 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2019-12-07 10:23:55,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:55,442 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2019-12-07 10:23:55,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 10:23:55,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 10:23:55,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:55,445 INFO L225 Difference]: With dead ends: 313 [2019-12-07 10:23:55,446 INFO L226 Difference]: Without dead ends: 253 [2019-12-07 10:23:55,447 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:23:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-12-07 10:23:55,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2019-12-07 10:23:55,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 10:23:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2019-12-07 10:23:55,466 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2019-12-07 10:23:55,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:55,466 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2019-12-07 10:23:55,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:23:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2019-12-07 10:23:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:23:55,467 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:55,468 INFO L410 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] [2019-12-07 10:23:55,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 10:23:55,669 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:55,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:55,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2019-12-07 10:23:55,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:55,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825024978] [2019-12-07 10:23:55,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:55,773 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:23:55,775 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:55,790 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:55,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825024978] [2019-12-07 10:23:55,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:55,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:23:55,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436999725] [2019-12-07 10:23:55,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:23:55,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:55,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:23:55,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:23:55,794 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 5 states. [2019-12-07 10:23:55,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:55,926 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2019-12-07 10:23:55,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:23:55,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 10:23:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:55,929 INFO L225 Difference]: With dead ends: 436 [2019-12-07 10:23:55,929 INFO L226 Difference]: Without dead ends: 324 [2019-12-07 10:23:55,930 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 10:23:55,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-12-07 10:23:55,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2019-12-07 10:23:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-12-07 10:23:55,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2019-12-07 10:23:55,944 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2019-12-07 10:23:55,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:55,944 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2019-12-07 10:23:55,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:23:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2019-12-07 10:23:55,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:23:55,946 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:55,946 INFO L410 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] [2019-12-07 10:23:56,146 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 10:23:56,147 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:56,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:56,148 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2019-12-07 10:23:56,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:56,148 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384309335] [2019-12-07 10:23:56,148 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:56,263 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 10:23:56,264 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:56,275 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:56,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384309335] [2019-12-07 10:23:56,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:56,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 10:23:56,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311672420] [2019-12-07 10:23:56,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:23:56,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:56,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:23:56,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:23:56,279 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand 5 states. [2019-12-07 10:23:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:56,332 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2019-12-07 10:23:56,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 10:23:56,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 10:23:56,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:56,334 INFO L225 Difference]: With dead ends: 315 [2019-12-07 10:23:56,334 INFO L226 Difference]: Without dead ends: 204 [2019-12-07 10:23:56,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:23:56,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-12-07 10:23:56,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2019-12-07 10:23:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 10:23:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2019-12-07 10:23:56,345 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2019-12-07 10:23:56,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:56,345 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2019-12-07 10:23:56,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:23:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2019-12-07 10:23:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:23:56,347 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:56,347 INFO L410 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] [2019-12-07 10:23:56,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 10:23:56,548 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:56,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:56,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2019-12-07 10:23:56,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:56,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454490595] [2019-12-07 10:23:56,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:56,652 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:23:56,653 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:56,661 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:56,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454490595] [2019-12-07 10:23:56,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:56,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 10:23:56,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573814552] [2019-12-07 10:23:56,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 10:23:56,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:56,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 10:23:56,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:23:56,671 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 6 states. [2019-12-07 10:23:56,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:56,710 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2019-12-07 10:23:56,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:23:56,710 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 10:23:56,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:56,711 INFO L225 Difference]: With dead ends: 349 [2019-12-07 10:23:56,711 INFO L226 Difference]: Without dead ends: 226 [2019-12-07 10:23:56,712 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 10:23:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2019-12-07 10:23:56,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2019-12-07 10:23:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-12-07 10:23:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2019-12-07 10:23:56,722 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2019-12-07 10:23:56,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:56,722 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2019-12-07 10:23:56,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 10:23:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2019-12-07 10:23:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 10:23:56,723 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:56,724 INFO L410 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] [2019-12-07 10:23:56,924 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 10:23:56,925 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:56,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:56,925 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2019-12-07 10:23:56,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:56,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583677621] [2019-12-07 10:23:56,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:57,037 INFO L264 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:23:57,038 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:57,044 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:57,050 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583677621] [2019-12-07 10:23:57,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:57,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:23:57,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967230661] [2019-12-07 10:23:57,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:23:57,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:57,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:23:57,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:57,051 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 4 states. [2019-12-07 10:23:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:57,092 INFO L93 Difference]: Finished difference Result 422 states and 569 transitions. [2019-12-07 10:23:57,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:23:57,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 10:23:57,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:57,094 INFO L225 Difference]: With dead ends: 422 [2019-12-07 10:23:57,094 INFO L226 Difference]: Without dead ends: 291 [2019-12-07 10:23:57,094 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:57,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-12-07 10:23:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 239. [2019-12-07 10:23:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-12-07 10:23:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2019-12-07 10:23:57,109 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 33 [2019-12-07 10:23:57,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:57,109 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2019-12-07 10:23:57,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:23:57,109 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2019-12-07 10:23:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 10:23:57,110 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:57,110 INFO L410 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] [2019-12-07 10:23:57,311 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 10:23:57,311 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:57,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:57,311 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2019-12-07 10:23:57,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:57,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924967227] [2019-12-07 10:23:57,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:57,395 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:23:57,397 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:57,402 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:57,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924967227] [2019-12-07 10:23:57,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:57,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:23:57,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694569155] [2019-12-07 10:23:57,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:23:57,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:57,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:23:57,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:23:57,406 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand 3 states. [2019-12-07 10:23:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:57,465 INFO L93 Difference]: Finished difference Result 407 states and 540 transitions. [2019-12-07 10:23:57,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:23:57,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 10:23:57,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:57,468 INFO L225 Difference]: With dead ends: 407 [2019-12-07 10:23:57,468 INFO L226 Difference]: Without dead ends: 405 [2019-12-07 10:23:57,468 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:23:57,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2019-12-07 10:23:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 304. [2019-12-07 10:23:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-12-07 10:23:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 414 transitions. [2019-12-07 10:23:57,496 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 414 transitions. Word has length 34 [2019-12-07 10:23:57,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:57,496 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 414 transitions. [2019-12-07 10:23:57,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:23:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 414 transitions. [2019-12-07 10:23:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 10:23:57,498 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:57,498 INFO L410 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] [2019-12-07 10:23:57,698 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 10:23:57,699 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:57,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:57,699 INFO L82 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2019-12-07 10:23:57,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:57,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376993065] [2019-12-07 10:23:57,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:57,804 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 10:23:57,806 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 10:23:57,827 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 10:23:57,854 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376993065] [2019-12-07 10:23:57,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:57,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 10:23:57,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693807363] [2019-12-07 10:23:57,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 10:23:57,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:23:57,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:23:57,856 INFO L87 Difference]: Start difference. First operand 304 states and 414 transitions. Second operand 10 states. [2019-12-07 10:23:58,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:58,187 INFO L93 Difference]: Finished difference Result 978 states and 1319 transitions. [2019-12-07 10:23:58,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 10:23:58,187 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2019-12-07 10:23:58,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:58,191 INFO L225 Difference]: With dead ends: 978 [2019-12-07 10:23:58,191 INFO L226 Difference]: Without dead ends: 681 [2019-12-07 10:23:58,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2019-12-07 10:23:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2019-12-07 10:23:58,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 237. [2019-12-07 10:23:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2019-12-07 10:23:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 313 transitions. [2019-12-07 10:23:58,223 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 313 transitions. Word has length 56 [2019-12-07 10:23:58,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:58,223 INFO L462 AbstractCegarLoop]: Abstraction has 237 states and 313 transitions. [2019-12-07 10:23:58,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 10:23:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 313 transitions. [2019-12-07 10:23:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 10:23:58,224 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:23:58,225 INFO L410 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] [2019-12-07 10:23:58,425 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 10:23:58,425 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:23:58,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:23:58,426 INFO L82 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2019-12-07 10:23:58,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:23:58,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804393938] [2019-12-07 10:23:58,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/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 [2019-12-07 10:23:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:23:58,546 INFO L264 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:23:58,548 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:23:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:58,561 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:23:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:23:58,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804393938] [2019-12-07 10:23:58,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:23:58,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 10:23:58,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753262725] [2019-12-07 10:23:58,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:23:58,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:23:58,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:23:58,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:58,575 INFO L87 Difference]: Start difference. First operand 237 states and 313 transitions. Second operand 4 states. [2019-12-07 10:23:58,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:23:58,775 INFO L93 Difference]: Finished difference Result 435 states and 579 transitions. [2019-12-07 10:23:58,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:23:58,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-12-07 10:23:58,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:23:58,776 INFO L225 Difference]: With dead ends: 435 [2019-12-07 10:23:58,776 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 10:23:58,777 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:23:58,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 10:23:58,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 10:23:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 10:23:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 10:23:58,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-12-07 10:23:58,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:23:58,778 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 10:23:58,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:23:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 10:23:58,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:23:58,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2019-12-07 10:23:58,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 10:23:59,140 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 101 [2019-12-07 10:23:59,409 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 129 [2019-12-07 10:23:59,997 WARN L192 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2019-12-07 10:24:00,157 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-12-07 10:24:00,532 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 27 [2019-12-07 10:24:01,069 WARN L192 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 29 [2019-12-07 10:24:01,890 WARN L192 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2019-12-07 10:24:02,260 WARN L192 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 29 [2019-12-07 10:24:02,463 WARN L192 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2019-12-07 10:24:02,820 WARN L192 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2019-12-07 10:24:03,549 WARN L192 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 25 [2019-12-07 10:24:03,987 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2019-12-07 10:24:03,998 INFO L242 CegarLoopResult]: At program point L68-3(lines 1 948) the Hoare annotation is: false [2019-12-07 10:24:03,998 INFO L246 CegarLoopResult]: For program point L68-4(lines 68 85) no Hoare annotation was computed. [2019-12-07 10:24:03,998 INFO L242 CegarLoopResult]: At program point L68-5(lines 1 948) the Hoare annotation is: false [2019-12-07 10:24:03,999 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 10:24:03,999 INFO L246 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-12-07 10:24:03,999 INFO L246 CegarLoopResult]: For program point L201-1(lines 201 218) no Hoare annotation was computed. [2019-12-07 10:24:03,999 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2019-12-07 10:24:03,999 INFO L242 CegarLoopResult]: At program point L533(lines 528 536) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 10:24:03,999 INFO L242 CegarLoopResult]: At program point L533-1(lines 528 536) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse4) (and .cse7 .cse2 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse4) (and .cse5 .cse7 .cse1 .cse6 .cse4))) [2019-12-07 10:24:03,999 INFO L242 CegarLoopResult]: At program point L533-2(lines 528 536) the Hoare annotation is: false [2019-12-07 10:24:04,000 INFO L242 CegarLoopResult]: At program point L533-3(lines 528 536) the Hoare annotation is: false [2019-12-07 10:24:04,000 INFO L242 CegarLoopResult]: At program point L533-4(lines 528 536) the Hoare annotation is: false [2019-12-07 10:24:04,000 INFO L242 CegarLoopResult]: At program point L533-5(lines 528 536) the Hoare annotation is: false [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L336(lines 335 382) no Hoare annotation was computed. [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L303-3(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L303-5(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L303-6(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L72(lines 72 82) no Hoare annotation was computed. [2019-12-07 10:24:04,000 INFO L246 CegarLoopResult]: For program point L303-8(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L303-9(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L72-2(lines 72 82) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L303-11(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L72-4(lines 72 82) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L303-12(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L303-14(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L303-15(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L303-17(lines 303 307) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L242 CegarLoopResult]: At program point L403-2(lines 403 417) the Hoare annotation is: false [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L205-1(lines 205 213) no Hoare annotation was computed. [2019-12-07 10:24:04,001 INFO L246 CegarLoopResult]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L73-2(lines 73 79) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L73-4(lines 73 79) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L242 CegarLoopResult]: At program point L373-2(lines 143 149) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse6 .cse1 .cse4 .cse5 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L175(lines 175 192) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L175-1(lines 175 192) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L175-2(lines 175 192) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L175-3(lines 175 192) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L175-4(lines 175 192) no Hoare annotation was computed. [2019-12-07 10:24:04,002 INFO L246 CegarLoopResult]: For program point L175-5(lines 175 192) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L407-1(lines 143 149) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L242 CegarLoopResult]: At program point L143(lines 142 161) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse4 .cse1 .cse5 .cse3) (and .cse4 .cse1 .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse4 .cse1 .cse2 .cse6 .cse3) (and .cse0 .cse1 .cse2 .cse6 .cse3) (and .cse0 .cse1 .cse5 .cse3))) [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L242 CegarLoopResult]: At program point L143-2(lines 142 161) the Hoare annotation is: false [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L242 CegarLoopResult]: At program point L143-3(lines 142 161) the Hoare annotation is: false [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L573-2(lines 573 579) no Hoare annotation was computed. [2019-12-07 10:24:04,003 INFO L246 CegarLoopResult]: For program point L573-3(lines 573 579) no Hoare annotation was computed. [2019-12-07 10:24:04,004 INFO L246 CegarLoopResult]: For program point L573-4(lines 573 579) no Hoare annotation was computed. [2019-12-07 10:24:04,004 INFO L246 CegarLoopResult]: For program point L573-5(lines 573 579) no Hoare annotation was computed. [2019-12-07 10:24:04,004 INFO L242 CegarLoopResult]: At program point L309(lines 294 312) the Hoare annotation is: false [2019-12-07 10:24:04,004 INFO L242 CegarLoopResult]: At program point L309-1(lines 294 312) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32))) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse3))) [2019-12-07 10:24:04,004 INFO L242 CegarLoopResult]: At program point L309-2(lines 294 312) the Hoare annotation is: false [2019-12-07 10:24:04,004 INFO L242 CegarLoopResult]: At program point L309-3(lines 294 312) the Hoare annotation is: false [2019-12-07 10:24:04,004 INFO L242 CegarLoopResult]: At program point L309-4(lines 294 312) the Hoare annotation is: false [2019-12-07 10:24:04,004 INFO L242 CegarLoopResult]: At program point L309-5(lines 294 312) the Hoare annotation is: false [2019-12-07 10:24:04,004 INFO L246 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-12-07 10:24:04,004 INFO L246 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2019-12-07 10:24:04,004 INFO L249 CegarLoopResult]: At program point L475-1(lines 475 482) the Hoare annotation is: true [2019-12-07 10:24:04,004 INFO L242 CegarLoopResult]: At program point L245(lines 238 248) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2019-12-07 10:24:04,005 INFO L242 CegarLoopResult]: At program point L245-1(lines 238 248) the Hoare annotation is: false [2019-12-07 10:24:04,005 INFO L246 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2019-12-07 10:24:04,005 INFO L242 CegarLoopResult]: At program point L245-2(lines 238 248) the Hoare annotation is: false [2019-12-07 10:24:04,005 INFO L246 CegarLoopResult]: For program point L179-1(lines 179 187) no Hoare annotation was computed. [2019-12-07 10:24:04,005 INFO L246 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2019-12-07 10:24:04,005 INFO L246 CegarLoopResult]: For program point L179-3(lines 179 187) no Hoare annotation was computed. [2019-12-07 10:24:04,005 INFO L246 CegarLoopResult]: For program point L179-4(lines 179 187) no Hoare annotation was computed. [2019-12-07 10:24:04,005 INFO L246 CegarLoopResult]: For program point L179-5(lines 179 187) no Hoare annotation was computed. [2019-12-07 10:24:04,005 INFO L246 CegarLoopResult]: For program point L345(lines 345 351) no Hoare annotation was computed. [2019-12-07 10:24:04,005 INFO L242 CegarLoopResult]: At program point L345-1(lines 345 351) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse2 .cse6 .cse7 .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 10:24:04,005 INFO L242 CegarLoopResult]: At program point L115(lines 1 948) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:24:04,005 INFO L242 CegarLoopResult]: At program point L578(lines 569 582) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L578-1(lines 569 582) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L578-2(lines 569 582) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L578-3(lines 569 582) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L578-4(lines 569 582) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L578-5(lines 569 582) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse0 .cse5 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L150-1(lines 150 156) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L150-2(lines 150 156) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L383(lines 334 384) the Hoare annotation is: false [2019-12-07 10:24:04,006 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 10:24:04,006 INFO L249 CegarLoopResult]: At program point L484(lines 465 487) the Hoare annotation is: true [2019-12-07 10:24:04,006 INFO L242 CegarLoopResult]: At program point L451(lines 447 453) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:24:04,007 INFO L242 CegarLoopResult]: At program point L254(lines 249 257) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3) (and (= (_ bv0 32) ~pumpRunning~0) .cse0 .cse1 .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2019-12-07 10:24:04,007 INFO L242 CegarLoopResult]: At program point L254-1(lines 249 257) the Hoare annotation is: false [2019-12-07 10:24:04,007 INFO L242 CegarLoopResult]: At program point L254-2(lines 249 257) the Hoare annotation is: false [2019-12-07 10:24:04,007 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:24:04,007 INFO L242 CegarLoopResult]: At program point L57(lines 52 59) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 10:24:04,007 INFO L246 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-12-07 10:24:04,007 INFO L246 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2019-12-07 10:24:04,007 INFO L242 CegarLoopResult]: At program point L355-1(lines 355 361) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse6 .cse1 .cse4 .cse5 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2019-12-07 10:24:04,007 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 10:24:04,007 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 10:24:04,007 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 10:24:04,008 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 10:24:04,008 INFO L246 CegarLoopResult]: For program point L496(lines 496 500) no Hoare annotation was computed. [2019-12-07 10:24:04,008 INFO L246 CegarLoopResult]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2019-12-07 10:24:04,008 INFO L246 CegarLoopResult]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2019-12-07 10:24:04,008 INFO L246 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2019-12-07 10:24:04,008 INFO L246 CegarLoopResult]: For program point L68(lines 68 85) no Hoare annotation was computed. [2019-12-07 10:24:04,008 INFO L242 CegarLoopResult]: At program point L68-1(lines 1 948) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse0 .cse2 .cse6 .cse7 .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0)) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2019-12-07 10:24:04,008 INFO L246 CegarLoopResult]: For program point L68-2(lines 68 85) no Hoare annotation was computed. [2019-12-07 10:24:04,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:24:04 BoogieIcfgContainer [2019-12-07 10:24:04,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:24:04,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:24:04,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:24:04,035 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:24:04,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:23:53" (3/4) ... [2019-12-07 10:24:04,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:24:04,052 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 10:24:04,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 10:24:04,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 10:24:04,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 10:24:04,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:24:04,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:24:04,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:24:04,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,081 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,082 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,082 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,083 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,083 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,084 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,085 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((!(tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 10:24:04,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_65461901-5a81-4115-b2c9-a732d63aa512/bin/utaipan/witness.graphml [2019-12-07 10:24:04,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:24:04,137 INFO L168 Benchmark]: Toolchain (without parser) took 11698.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 947.0 MB in the beginning and 870.9 MB in the end (delta: 76.1 MB). Peak memory consumption was 380.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:04,137 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:24:04,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:04,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:04,138 INFO L168 Benchmark]: Boogie Preprocessor took 32.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:24:04,138 INFO L168 Benchmark]: RCFGBuilder took 620.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:04,139 INFO L168 Benchmark]: TraceAbstraction took 10506.72 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 889.7 MB in the end (delta: 116.8 MB). Peak memory consumption was 384.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:04,139 INFO L168 Benchmark]: Witness Printer took 100.90 ms. Allocated memory is still 1.3 GB. Free memory was 889.7 MB in the beginning and 870.9 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:24:04,141 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 620.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10506.72 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 889.7 MB in the end (delta: 116.8 MB). Peak memory consumption was 384.8 MB. Max. memory is 11.5 GB. * Witness Printer took 100.90 ms. Allocated memory is still 1.3 GB. Free memory was 889.7 MB in the beginning and 870.9 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && 0bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((!(tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || ((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((((\result == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methAndRunningLastTime == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Result: SAFE, OverallTime: 5.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, HoareTripleCheckerStatistics: 1133 SDtfs, 1324 SDslu, 2293 SDs, 0 SdLazy, 279 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 800 GetRequests, 751 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred 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: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1101 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 124 NumberOfFragments, 1005 HoareAnnotationTreeSize, 44 FomulaSimplifications, 427300 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 44 FomulaSimplificationsInter, 83040 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 60287 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2408 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 82/82 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...