./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 77b70849cb3dcecd37b0edacca9651109dbc42ac ...................................................................................................................................... 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_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 77b70849cb3dcecd37b0edacca9651109dbc42ac ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:17:42,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:17:42,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:17:42,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:17:42,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:17:42,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:17:42,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:17:42,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:17:42,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:17:42,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:17:42,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:17:42,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:17:42,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:17:42,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:17:42,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:17:42,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:17:42,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:17:42,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:17:42,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:17:42,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:17:42,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:17:42,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:17:42,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:17:42,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:17:42,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:17:42,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:17:42,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:17:42,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:17:42,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:17:42,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:17:42,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:17:42,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:17:42,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:17:42,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:17:42,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:17:42,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:17:42,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:17:42,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:17:42,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:17:42,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:17:42,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:17:42,275 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:17:42,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:17:42,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:17:42,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:17:42,286 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:17:42,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:17:42,287 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:17:42,287 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:17:42,287 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:17:42,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:17:42,287 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:17:42,287 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:17:42,287 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:17:42,288 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:17:42,288 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:17:42,288 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:17:42,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:17:42,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:17:42,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:17:42,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:17:42,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:17:42,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:17:42,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:17:42,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:17:42,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:17:42,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:17:42,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:17:42,290 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:17:42,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:17:42,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:17:42,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:17:42,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:17:42,291 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_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2019-12-07 12:17:42,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:17:42,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:17:42,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:17:42,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:17:42,400 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:17:42,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-12-07 12:17:42,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/b3c83504e/8768337a2952435cb645dd1bae7a32a7/FLAG1f7105a39 [2019-12-07 12:17:42,903 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:17:42,904 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-12-07 12:17:42,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/b3c83504e/8768337a2952435cb645dd1bae7a32a7/FLAG1f7105a39 [2019-12-07 12:17:42,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/b3c83504e/8768337a2952435cb645dd1bae7a32a7 [2019-12-07 12:17:42,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:17:42,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:17:42,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:42,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:17:42,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:17:42,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:42" (1/1) ... [2019-12-07 12:17:42,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:42, skipping insertion in model container [2019-12-07 12:17:42,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:42" (1/1) ... [2019-12-07 12:17:42,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:17:42,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:17:43,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:43,179 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 12:17:43,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e573b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:43, skipping insertion in model container [2019-12-07 12:17:43,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:43,180 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:17:43,182 INFO L168 Benchmark]: Toolchain (without parser) took 257.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -147.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:43,182 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:17:43,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:43,184 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 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 12:17:44,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:17:44,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:17:44,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:17:44,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:17:44,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:17:44,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:17:44,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:17:44,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:17:44,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:17:44,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:17:44,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:17:44,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:17:44,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:17:44,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:17:44,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:17:44,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:17:44,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:17:44,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:17:44,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:17:44,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:17:44,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:17:44,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:17:44,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:17:44,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:17:44,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:17:44,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:17:44,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:17:44,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:17:44,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:17:44,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:17:44,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:17:44,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:17:44,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:17:44,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:17:44,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:17:44,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:17:44,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:17:44,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:17:44,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:17:44,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:17:44,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:17:44,374 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:17:44,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:17:44,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:17:44,375 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:17:44,375 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:17:44,375 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:17:44,375 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:17:44,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:17:44,376 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:17:44,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:17:44,376 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:17:44,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:17:44,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:17:44,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:17:44,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:17:44,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:17:44,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:17:44,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:17:44,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:17:44,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:17:44,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:17:44,378 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:17:44,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:17:44,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:17:44,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:17:44,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:17:44,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:17:44,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:17:44,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:17:44,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:17:44,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:17:44,379 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:17:44,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:17:44,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:17:44,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:17:44,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:17:44,380 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_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 -> 77b70849cb3dcecd37b0edacca9651109dbc42ac [2019-12-07 12:17:44,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:17:44,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:17:44,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:17:44,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:17:44,606 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:17:44,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-12-07 12:17:44,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/2137ea1b2/53e1ad25c8244835a5ed1f526ab4fb0d/FLAGf9dcef008 [2019-12-07 12:17:45,021 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:17:45,021 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2019-12-07 12:17:45,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/2137ea1b2/53e1ad25c8244835a5ed1f526ab4fb0d/FLAGf9dcef008 [2019-12-07 12:17:45,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/data/2137ea1b2/53e1ad25c8244835a5ed1f526ab4fb0d [2019-12-07 12:17:45,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:17:45,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:17:45,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:45,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:17:45,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:17:45,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45, skipping insertion in model container [2019-12-07 12:17:45,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:17:45,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:17:45,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:45,340 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:17:45,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:17:45,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:45,400 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:17:45,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:45,467 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:17:45,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45 WrapperNode [2019-12-07 12:17:45,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:45,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:17:45,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:17:45,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:17:45,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:17:45,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:17:45,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:17:45,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:17:45,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... [2019-12-07 12:17:45,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:17:45,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:17:45,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:17:45,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:17:45,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:17:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:17:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:17:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:17:46,105 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:17:46,105 INFO L287 CfgBuilder]: Removed 132 assume(true) statements. [2019-12-07 12:17:46,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:17:46 BoogieIcfgContainer [2019-12-07 12:17:46,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:17:46,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:17:46,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:17:46,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:17:46,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:17:45" (1/3) ... [2019-12-07 12:17:46,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30849de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:17:46, skipping insertion in model container [2019-12-07 12:17:46,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:45" (2/3) ... [2019-12-07 12:17:46,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30849de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:17:46, skipping insertion in model container [2019-12-07 12:17:46,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:17:46" (3/3) ... [2019-12-07 12:17:46,111 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2019-12-07 12:17:46,118 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:17:46,123 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:17:46,131 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:17:46,147 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:17:46,147 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:17:46,147 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:17:46,147 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:17:46,147 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:17:46,148 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:17:46,148 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:17:46,148 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:17:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-12-07 12:17:46,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 12:17:46,163 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:46,164 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 12:17:46,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:46,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:46,168 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2019-12-07 12:17:46,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:46,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2147180085] [2019-12-07 12:17:46,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:46,306 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:17:46,309 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:46,320 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 12:17:46,320 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:46,324 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 12:17:46,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2147180085] [2019-12-07 12:17:46,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:46,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:17:46,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407989075] [2019-12-07 12:17:46,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:17:46,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:46,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:17:46,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:17:46,339 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2019-12-07 12:17:46,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:46,360 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2019-12-07 12:17:46,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:17:46,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 12:17:46,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:46,369 INFO L225 Difference]: With dead ends: 189 [2019-12-07 12:17:46,369 INFO L226 Difference]: Without dead ends: 94 [2019-12-07 12:17:46,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 12:17:46,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-12-07 12:17:46,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-12-07 12:17:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-12-07 12:17:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2019-12-07 12:17:46,401 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2019-12-07 12:17:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:46,402 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2019-12-07 12:17:46,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:17:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2019-12-07 12:17:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 12:17:46,403 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:46,403 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] [2019-12-07 12:17:46,604 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:17:46,605 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:46,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:46,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2019-12-07 12:17:46,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:46,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170907901] [2019-12-07 12:17:46,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:46,798 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:17:46,799 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:46,815 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 12:17:46,815 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:46,824 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 12:17:46,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170907901] [2019-12-07 12:17:46,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:46,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:17:46,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420487487] [2019-12-07 12:17:46,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:17:46,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:46,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:17:46,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:17:46,827 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 4 states. [2019-12-07 12:17:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:46,841 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2019-12-07 12:17:46,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:17:46,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-12-07 12:17:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:46,842 INFO L225 Difference]: With dead ends: 94 [2019-12-07 12:17:46,842 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 12:17:46,843 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 12:17:46,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 12:17:46,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 12:17:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 12:17:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-12-07 12:17:46,849 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2019-12-07 12:17:46,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:46,850 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-12-07 12:17:46,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:17:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-12-07 12:17:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:17:46,851 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:46,851 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 12:17:47,051 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:17:47,052 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:47,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:47,053 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2019-12-07 12:17:47,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:47,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510583036] [2019-12-07 12:17:47,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:47,239 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:17:47,240 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:47,250 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 12:17:47,250 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:47,258 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 12:17:47,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510583036] [2019-12-07 12:17:47,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:47,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:17:47,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816485539] [2019-12-07 12:17:47,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:17:47,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:47,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:17:47,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:17:47,260 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 4 states. [2019-12-07 12:17:47,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:47,277 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2019-12-07 12:17:47,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:17:47,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 12:17:47,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:47,278 INFO L225 Difference]: With dead ends: 141 [2019-12-07 12:17:47,279 INFO L226 Difference]: Without dead ends: 105 [2019-12-07 12:17:47,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 12:17:47,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-12-07 12:17:47,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2019-12-07 12:17:47,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 12:17:47,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2019-12-07 12:17:47,288 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2019-12-07 12:17:47,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:47,288 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2019-12-07 12:17:47,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:17:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2019-12-07 12:17:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 12:17:47,289 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:47,289 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] [2019-12-07 12:17:47,490 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:17:47,490 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:47,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:47,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2019-12-07 12:17:47,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:47,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052613324] [2019-12-07 12:17:47,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:47,686 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:17:47,688 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:47,693 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 12:17:47,694 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:47,696 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 12:17:47,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052613324] [2019-12-07 12:17:47,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:47,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:17:47,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347524106] [2019-12-07 12:17:47,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:17:47,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:47,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:17:47,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:17:47,699 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2019-12-07 12:17:47,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:47,768 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2019-12-07 12:17:47,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:17:47,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 12:17:47,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:47,770 INFO L225 Difference]: With dead ends: 147 [2019-12-07 12:17:47,770 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 12:17:47,771 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 12:17:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 12:17:47,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2019-12-07 12:17:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 12:17:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2019-12-07 12:17:47,783 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2019-12-07 12:17:47,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:47,783 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2019-12-07 12:17:47,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:17:47,784 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2019-12-07 12:17:47,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 12:17:47,785 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:47,785 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] [2019-12-07 12:17:47,986 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:17:47,987 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:47,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:47,987 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2019-12-07 12:17:47,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:47,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020260053] [2019-12-07 12:17:47,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:48,184 INFO L264 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:17:48,185 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:48,196 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 12:17:48,197 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:48,203 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 12:17:48,204 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020260053] [2019-12-07 12:17:48,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:48,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:17:48,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026632423] [2019-12-07 12:17:48,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:17:48,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:48,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:17:48,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:17:48,205 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2019-12-07 12:17:48,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:48,315 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2019-12-07 12:17:48,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:17:48,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 12:17:48,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:48,316 INFO L225 Difference]: With dead ends: 288 [2019-12-07 12:17:48,317 INFO L226 Difference]: Without dead ends: 208 [2019-12-07 12:17:48,317 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 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 12:17:48,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-12-07 12:17:48,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2019-12-07 12:17:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-12-07 12:17:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2019-12-07 12:17:48,331 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2019-12-07 12:17:48,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:48,332 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2019-12-07 12:17:48,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:17:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2019-12-07 12:17:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:17:48,334 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:48,334 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, 1, 1] [2019-12-07 12:17:48,534 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:17:48,535 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:48,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:48,536 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2019-12-07 12:17:48,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:48,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633703962] [2019-12-07 12:17:48,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:48,762 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:17:48,765 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:48,777 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 12:17:48,777 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:48,780 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 12:17:48,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633703962] [2019-12-07 12:17:48,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:48,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:17:48,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815901378] [2019-12-07 12:17:48,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:17:48,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:48,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:17:48,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:17:48,781 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2019-12-07 12:17:48,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:48,820 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2019-12-07 12:17:48,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:17:48,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-12-07 12:17:48,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:48,822 INFO L225 Difference]: With dead ends: 251 [2019-12-07 12:17:48,822 INFO L226 Difference]: Without dead ends: 173 [2019-12-07 12:17:48,822 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 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 12:17:48,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-12-07 12:17:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2019-12-07 12:17:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-12-07 12:17:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2019-12-07 12:17:48,830 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2019-12-07 12:17:48,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:48,830 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2019-12-07 12:17:48,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:17:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2019-12-07 12:17:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:17:48,831 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:48,831 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, 1, 1] [2019-12-07 12:17:49,031 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 12:17:49,032 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:49,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:49,033 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2019-12-07 12:17:49,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:49,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295694377] [2019-12-07 12:17:49,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:49,195 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:17:49,197 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:49,205 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 12:17:49,205 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:49,215 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 12:17:49,215 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [295694377] [2019-12-07 12:17:49,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:49,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 12:17:49,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117256090] [2019-12-07 12:17:49,216 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:17:49,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:49,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:17:49,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:17:49,216 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 6 states. [2019-12-07 12:17:49,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:49,248 INFO L93 Difference]: Finished difference Result 260 states and 353 transitions. [2019-12-07 12:17:49,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:17:49,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2019-12-07 12:17:49,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:49,250 INFO L225 Difference]: With dead ends: 260 [2019-12-07 12:17:49,251 INFO L226 Difference]: Without dead ends: 179 [2019-12-07 12:17:49,251 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 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 12:17:49,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-12-07 12:17:49,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 90. [2019-12-07 12:17:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-12-07 12:17:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2019-12-07 12:17:49,263 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2019-12-07 12:17:49,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:49,263 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2019-12-07 12:17:49,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:17:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2019-12-07 12:17:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-07 12:17:49,264 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:49,264 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, 1, 1] [2019-12-07 12:17:49,465 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 12:17:49,466 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:49,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:49,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2019-12-07 12:17:49,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:49,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016255655] [2019-12-07 12:17:49,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:49,596 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:17:49,597 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:49,604 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 12:17:49,604 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:49,613 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 12:17:49,613 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016255655] [2019-12-07 12:17:49,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:49,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:17:49,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536442457] [2019-12-07 12:17:49,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:17:49,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:49,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:17:49,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:17:49,614 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 4 states. [2019-12-07 12:17:49,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:49,656 INFO L93 Difference]: Finished difference Result 295 states and 401 transitions. [2019-12-07 12:17:49,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:17:49,657 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-12-07 12:17:49,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:49,658 INFO L225 Difference]: With dead ends: 295 [2019-12-07 12:17:49,658 INFO L226 Difference]: Without dead ends: 212 [2019-12-07 12:17:49,659 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 12:17:49,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-12-07 12:17:49,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 161. [2019-12-07 12:17:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2019-12-07 12:17:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 217 transitions. [2019-12-07 12:17:49,677 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 217 transitions. Word has length 36 [2019-12-07 12:17:49,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:49,677 INFO L462 AbstractCegarLoop]: Abstraction has 161 states and 217 transitions. [2019-12-07 12:17:49,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:17:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 217 transitions. [2019-12-07 12:17:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 12:17:49,678 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:49,679 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, 1, 1, 1] [2019-12-07 12:17:49,879 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 12:17:49,880 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:49,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:49,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2019-12-07 12:17:49,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:49,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318140934] [2019-12-07 12:17:49,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:50,038 INFO L264 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 12:17:50,039 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:50,057 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 12:17:50,058 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:50,062 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 12:17:50,062 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318140934] [2019-12-07 12:17:50,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:50,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:17:50,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211346321] [2019-12-07 12:17:50,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:17:50,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:50,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:17:50,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:17:50,064 INFO L87 Difference]: Start difference. First operand 161 states and 217 transitions. Second operand 6 states. [2019-12-07 12:17:50,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:50,349 INFO L93 Difference]: Finished difference Result 800 states and 1093 transitions. [2019-12-07 12:17:50,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 12:17:50,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-12-07 12:17:50,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:50,352 INFO L225 Difference]: With dead ends: 800 [2019-12-07 12:17:50,352 INFO L226 Difference]: Without dead ends: 646 [2019-12-07 12:17:50,353 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:17:50,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2019-12-07 12:17:50,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 304. [2019-12-07 12:17:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-12-07 12:17:50,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 405 transitions. [2019-12-07 12:17:50,379 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 405 transitions. Word has length 37 [2019-12-07 12:17:50,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:50,379 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 405 transitions. [2019-12-07 12:17:50,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:17:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 405 transitions. [2019-12-07 12:17:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 12:17:50,380 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:50,380 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] [2019-12-07 12:17:50,581 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 12:17:50,581 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:50,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:50,581 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2019-12-07 12:17:50,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:50,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073438887] [2019-12-07 12:17:50,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/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 12:17:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:50,678 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:17:50,679 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:17:50,693 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:17:50,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073438887] [2019-12-07 12:17:50,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [332773954] [2019-12-07 12:17:50,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:17:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:50,797 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 12:17:50,798 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:17:50,802 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:17:50,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444536791] [2019-12-07 12:17:50,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:17:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:50,906 INFO L264 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:17:50,907 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:17:50,913 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:17:50,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 12:17:50,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2019-12-07 12:17:50,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341429083] [2019-12-07 12:17:50,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:17:50,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:50,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:17:50,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:17:50,920 INFO L87 Difference]: Start difference. First operand 304 states and 405 transitions. Second operand 8 states. [2019-12-07 12:17:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:51,235 INFO L93 Difference]: Finished difference Result 674 states and 905 transitions. [2019-12-07 12:17:51,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 12:17:51,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2019-12-07 12:17:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:51,237 INFO L225 Difference]: With dead ends: 674 [2019-12-07 12:17:51,237 INFO L226 Difference]: Without dead ends: 377 [2019-12-07 12:17:51,237 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2019-12-07 12:17:51,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-12-07 12:17:51,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 310. [2019-12-07 12:17:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-12-07 12:17:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 400 transitions. [2019-12-07 12:17:51,266 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 400 transitions. Word has length 54 [2019-12-07 12:17:51,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:51,267 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 400 transitions. [2019-12-07 12:17:51,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:17:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 400 transitions. [2019-12-07 12:17:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-07 12:17:51,267 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:17:51,268 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:17:51,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2019-12-07 12:17:51,870 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:17:51,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:51,871 INFO L82 PathProgramCache]: Analyzing trace with hash 620647972, now seen corresponding path program 1 times [2019-12-07 12:17:51,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:17:51,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236315360] [2019-12-07 12:17:51,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 12:17:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:51,993 INFO L264 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 12:17:51,995 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-07 12:17:52,021 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-07 12:17:52,058 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236315360] [2019-12-07 12:17:52,058 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1454236979] [2019-12-07 12:17:52,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:17:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:52,156 INFO L264 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:17:52,157 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:17:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-07 12:17:52,170 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:17:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-07 12:17:52,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:17:52,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2019-12-07 12:17:52,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105950440] [2019-12-07 12:17:52,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:17:52,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:17:52,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:17:52,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:17:52,177 INFO L87 Difference]: Start difference. First operand 310 states and 400 transitions. Second operand 3 states. [2019-12-07 12:17:52,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:52,318 INFO L93 Difference]: Finished difference Result 551 states and 712 transitions. [2019-12-07 12:17:52,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:17:52,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-12-07 12:17:52,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:17:52,319 INFO L225 Difference]: With dead ends: 551 [2019-12-07 12:17:52,319 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:17:52,320 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:17:52,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:17:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:17:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:17:52,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:17:52,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2019-12-07 12:17:52,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:17:52,321 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:17:52,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:17:52,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:17:52,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:17:52,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:17:52,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:17:52,902 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 113 [2019-12-07 12:17:53,637 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 24 [2019-12-07 12:17:54,048 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2019-12-07 12:17:54,298 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2019-12-07 12:17:54,668 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 26 [2019-12-07 12:17:55,040 WARN L192 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 27 [2019-12-07 12:17:55,197 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2019-12-07 12:17:55,521 WARN L192 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 29 [2019-12-07 12:17:55,890 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 30 [2019-12-07 12:17:56,044 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 27 [2019-12-07 12:17:57,017 WARN L192 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 26 [2019-12-07 12:17:57,465 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2019-12-07 12:17:57,710 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 6 [2019-12-07 12:17:57,719 INFO L246 CegarLoopResult]: For program point L861(lines 861 867) no Hoare annotation was computed. [2019-12-07 12:17:57,719 INFO L246 CegarLoopResult]: For program point L861-1(lines 861 867) no Hoare annotation was computed. [2019-12-07 12:17:57,719 INFO L246 CegarLoopResult]: For program point L861-2(lines 861 867) no Hoare annotation was computed. [2019-12-07 12:17:57,719 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-12-07 12:17:57,719 INFO L246 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L249 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2019-12-07 12:17:57,720 INFO L242 CegarLoopResult]: At program point L944(lines 1 964) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point L961(line 961) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point L961-1(line 961) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point L961-2(line 961) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point L631(lines 631 648) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point L631-1(lines 631 648) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L246 CegarLoopResult]: For program point L631-2(lines 631 648) no Hoare annotation was computed. [2019-12-07 12:17:57,720 INFO L242 CegarLoopResult]: At program point L879(lines 874 881) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L599(lines 595 617) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2)))) [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L599-1(lines 595 617) the Hoare annotation is: false [2019-12-07 12:17:57,721 INFO L246 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L599-2(lines 595 617) the Hoare annotation is: false [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L533-1(lines 533 539) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2019-12-07 12:17:57,721 INFO L246 CegarLoopResult]: For program point L765(lines 765 771) no Hoare annotation was computed. [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L765-1(lines 765 771) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:17:57,721 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:17:57,721 INFO L242 CegarLoopResult]: At program point L866(lines 857 870) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2))) [2019-12-07 12:17:57,722 INFO L242 CegarLoopResult]: At program point L866-1(lines 857 870) the Hoare annotation is: false [2019-12-07 12:17:57,722 INFO L242 CegarLoopResult]: At program point L866-2(lines 857 870) the Hoare annotation is: false [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L668(lines 668 674) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L635(lines 635 643) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L635-1(lines 635 643) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L668-2(lines 668 674) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L635-2(lines 635 643) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L668-4(lines 668 674) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L751(lines 751 755) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L751-2(lines 751 755) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L784-3(lines 784 788) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L751-3(lines 751 755) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L751-5(lines 751 755) no Hoare annotation was computed. [2019-12-07 12:17:57,722 INFO L246 CegarLoopResult]: For program point L784-6(lines 784 788) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L246 CegarLoopResult]: For program point L553(lines 553 566) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L246 CegarLoopResult]: For program point L751-6(lines 751 755) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L246 CegarLoopResult]: For program point L751-8(lines 751 755) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L246 CegarLoopResult]: For program point L900(lines 900 917) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L242 CegarLoopResult]: At program point L900-1(lines 1 964) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 12:17:57,723 INFO L246 CegarLoopResult]: For program point L900-2(lines 900 917) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L242 CegarLoopResult]: At program point L900-3(lines 1 964) the Hoare annotation is: false [2019-12-07 12:17:57,723 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L246 CegarLoopResult]: For program point L900-4(lines 900 917) no Hoare annotation was computed. [2019-12-07 12:17:57,723 INFO L242 CegarLoopResult]: At program point L900-5(lines 1 964) the Hoare annotation is: false [2019-12-07 12:17:57,723 INFO L242 CegarLoopResult]: At program point L702(lines 697 705) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3)))) [2019-12-07 12:17:57,723 INFO L242 CegarLoopResult]: At program point L702-1(lines 697 705) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 .cse2 .cse4 .cse3)))) [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L702-2(lines 697 705) the Hoare annotation is: false [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L702-3(lines 697 705) the Hoare annotation is: false [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L702-4(lines 697 705) the Hoare annotation is: false [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L702-5(lines 697 705) the Hoare annotation is: false [2019-12-07 12:17:57,724 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 12:17:57,724 INFO L246 CegarLoopResult]: For program point L422-1(lines 422 426) no Hoare annotation was computed. [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L571(lines 522 572) the Hoare annotation is: false [2019-12-07 12:17:57,724 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L952(lines 947 955) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L853(lines 848 856) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (not .cse6)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3)))) [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L853-1(lines 848 856) the Hoare annotation is: false [2019-12-07 12:17:57,724 INFO L242 CegarLoopResult]: At program point L853-2(lines 848 856) the Hoare annotation is: false [2019-12-07 12:17:57,725 INFO L242 CegarLoopResult]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (not .cse5)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse3)))) [2019-12-07 12:17:57,725 INFO L242 CegarLoopResult]: At program point L606-1(lines 606 612) the Hoare annotation is: false [2019-12-07 12:17:57,725 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:17:57,725 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 612) the Hoare annotation is: false [2019-12-07 12:17:57,725 INFO L249 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2019-12-07 12:17:57,725 INFO L242 CegarLoopResult]: At program point L821(lines 816 824) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:17:57,725 INFO L242 CegarLoopResult]: At program point L821-1(lines 816 824) the Hoare annotation is: false [2019-12-07 12:17:57,725 INFO L242 CegarLoopResult]: At program point L821-2(lines 816 824) the Hoare annotation is: false [2019-12-07 12:17:57,725 INFO L246 CegarLoopResult]: For program point L524(lines 523 570) no Hoare annotation was computed. [2019-12-07 12:17:57,725 INFO L246 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-12-07 12:17:57,725 INFO L246 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-12-07 12:17:57,725 INFO L246 CegarLoopResult]: For program point L904-4(lines 904 914) no Hoare annotation was computed. [2019-12-07 12:17:57,725 INFO L246 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2019-12-07 12:17:57,726 INFO L246 CegarLoopResult]: For program point L905(lines 905 911) no Hoare annotation was computed. [2019-12-07 12:17:57,726 INFO L246 CegarLoopResult]: For program point L905-2(lines 905 911) no Hoare annotation was computed. [2019-12-07 12:17:57,726 INFO L246 CegarLoopResult]: For program point L905-4(lines 905 911) no Hoare annotation was computed. [2019-12-07 12:17:57,726 INFO L242 CegarLoopResult]: At program point L889(lines 599 605) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3)))) [2019-12-07 12:17:57,726 INFO L242 CegarLoopResult]: At program point L889-1(lines 599 605) the Hoare annotation is: false [2019-12-07 12:17:57,726 INFO L242 CegarLoopResult]: At program point L889-2(lines 599 605) the Hoare annotation is: false [2019-12-07 12:17:57,726 INFO L242 CegarLoopResult]: At program point L757(lines 742 760) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)))) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2))) [2019-12-07 12:17:57,726 INFO L242 CegarLoopResult]: At program point L757-1(lines 742 760) the Hoare annotation is: false [2019-12-07 12:17:57,726 INFO L242 CegarLoopResult]: At program point L757-2(lines 742 760) the Hoare annotation is: false [2019-12-07 12:17:57,726 INFO L246 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-12-07 12:17:57,726 INFO L242 CegarLoopResult]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse2 .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 12:17:57,726 INFO L246 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-12-07 12:17:57,727 INFO L242 CegarLoopResult]: At program point L543-1(lines 543 549) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (not .cse3)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse1) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1)))) [2019-12-07 12:17:57,727 INFO L246 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-12-07 12:17:57,727 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:17:57,727 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-12-07 12:17:57,727 INFO L242 CegarLoopResult]: At program point L693(lines 686 696) the Hoare annotation is: (and (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:17:57,727 INFO L242 CegarLoopResult]: At program point L693-1(lines 686 696) the Hoare annotation is: false [2019-12-07 12:17:57,727 INFO L242 CegarLoopResult]: At program point L693-2(lines 686 696) the Hoare annotation is: false [2019-12-07 12:17:57,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:17:57 BoogieIcfgContainer [2019-12-07 12:17:57,747 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:17:57,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:17:57,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:17:57,747 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:17:57,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:17:46" (3/4) ... [2019-12-07 12:17:57,750 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:17:57,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:17:57,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:17:57,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:17:57,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:17:57,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:17:57,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:17:57,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:17:57,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 2bv32 == tmp) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) [2019-12-07 12:17:57,817 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_334e2b70-8cf7-42d0-afe5-c8b37c3d4626/bin/utaipan/witness.graphml [2019-12-07 12:17:57,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:17:57,818 INFO L168 Benchmark]: Toolchain (without parser) took 12772.18 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.8 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -285.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:57,819 INFO L168 Benchmark]: CDTParser took 0.19 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 12:17:57,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:57,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:17:57,819 INFO L168 Benchmark]: Boogie Preprocessor took 35.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:57,819 INFO L168 Benchmark]: RCFGBuilder took 556.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:57,820 INFO L168 Benchmark]: TraceAbstraction took 11639.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.6 MB). Peak memory consumption was 344.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:57,820 INFO L168 Benchmark]: Witness Printer took 70.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:57,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 420.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 556.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Peak memory consumption was 76.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11639.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -204.6 MB). Peak memory consumption was 344.2 MB. Max. memory is 11.5 GB. * Witness Printer took 70.62 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: 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: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((0bv32 == pumpRunning && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && 0bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && 2bv32 == tmp) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && splverifierCounter == 0bv32) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == \result) && systemActive == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 1bv32 == pumpRunning) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, HoareTripleCheckerStatistics: 984 SDtfs, 1133 SDslu, 1833 SDs, 0 SdLazy, 249 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1250 GetRequests, 1197 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred 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, 11 MinimizatonAttempts, 799 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 813 HoareAnnotationTreeSize, 45 FomulaSimplifications, 111643 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 45 FomulaSimplificationsInter, 68809 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 135517 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3018 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 484/520 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...