./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 864598d769cf301df696f6997eba405266387160 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 864598d769cf301df696f6997eba405266387160 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:15,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:15,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:15,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:15,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:15,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:15,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:15,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:15,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:15,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:15,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:15,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:15,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:15,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:15,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:15,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:15,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:15,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:15,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:15,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:15,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:15,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:15,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:15,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:15,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:15,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:15,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:15,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:15,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:15,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:15,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:15,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:15,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:15,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:15,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:15,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:15,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:15,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:15,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:15,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:15,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:15,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:15,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:15,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:15,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:15,389 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:15,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:15,389 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:15,390 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:15,390 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:15,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:15,390 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:15,391 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:15,391 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:15,392 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:15,392 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:15,392 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:15,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:15,393 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:15,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:15,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:15,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:15,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:15,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:15,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:15,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:15,394 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:15,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:15,395 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:15,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:15,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:15,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:15,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:15,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:15,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:15,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:15,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:15,396 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:15,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:15,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:15,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:15,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:15,397 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 864598d769cf301df696f6997eba405266387160 [2020-11-22 12:56:15,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:15,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:15,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:15,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:15,690 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:15,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-22 12:56:15,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/1bf3e7c18/17cc488c429741ceac73763496fdf801/FLAG20f0ac12f [2020-11-22 12:56:16,362 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:16,363 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-22 12:56:16,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/1bf3e7c18/17cc488c429741ceac73763496fdf801/FLAG20f0ac12f [2020-11-22 12:56:16,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/1bf3e7c18/17cc488c429741ceac73763496fdf801 [2020-11-22 12:56:16,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:16,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:16,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:16,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:16,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:16,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:16" (1/1) ... [2020-11-22 12:56:16,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5febbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:16, skipping insertion in model container [2020-11-22 12:56:16,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:16" (1/1) ... [2020-11-22 12:56:16,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:16,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:17,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:17,071 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) [2020-11-22 12:56:17,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ef98323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:17, skipping insertion in model container [2020-11-22 12:56:17,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:17,073 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:56:17,075 INFO L168 Benchmark]: Toolchain (without parser) took 401.75 ms. Allocated memory is still 92.3 MB. Free memory was 58.4 MB in the beginning and 66.5 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:17,076 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 69.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:17,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.11 ms. Allocated memory is still 92.3 MB. Free memory was 58.3 MB in the beginning and 66.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:17,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 69.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.11 ms. Allocated memory is still 92.3 MB. Free memory was 58.3 MB in the beginning and 66.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 637]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:19,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:19,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:19,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:19,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:19,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:19,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:19,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:19,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:19,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:19,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:19,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:19,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:19,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:19,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:19,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:19,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:19,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:19,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:19,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:19,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:19,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:19,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:19,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:19,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:19,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:19,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:19,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:19,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:19,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:19,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:19,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:19,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:19,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:19,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:19,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:19,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:19,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:19,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:19,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:19,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:19,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:19,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:19,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:19,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:19,397 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:19,398 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:19,398 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:19,398 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:19,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:19,398 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:19,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:19,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:19,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:19,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:19,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:19,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:19,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:19,402 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:19,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:19,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:19,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:19,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:19,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:19,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:19,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:19,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:19,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:19,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:19,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:19,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:19,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:19,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:19,405 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:19,405 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:19,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:19,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:19,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:19,421 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 864598d769cf301df696f6997eba405266387160 [2020-11-22 12:56:19,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:19,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:19,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:19,795 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:19,796 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:19,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-22 12:56:19,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/3f68bbcd1/f68a8036c80b418bb07de0aed289f541/FLAG35e7db165 [2020-11-22 12:56:20,475 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:20,476 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2020-11-22 12:56:20,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/3f68bbcd1/f68a8036c80b418bb07de0aed289f541/FLAG35e7db165 [2020-11-22 12:56:20,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/data/3f68bbcd1/f68a8036c80b418bb07de0aed289f541 [2020-11-22 12:56:20,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:20,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:20,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:20,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:20,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:20,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2bca0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20, skipping insertion in model container [2020-11-22 12:56:20,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:20,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:21,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:21,247 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:56:21,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:21,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:21,385 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:21,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:21,539 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:21,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21 WrapperNode [2020-11-22 12:56:21,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:21,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:21,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:21,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:21,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:21,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:21,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:21,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:21,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... [2020-11-22 12:56:21,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:21,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:21,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:21,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:21,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:21,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:21,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:24,240 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:24,240 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-22 12:56:24,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:24 BoogieIcfgContainer [2020-11-22 12:56:24,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:24,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:24,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:24,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:24,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:20" (1/3) ... [2020-11-22 12:56:24,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42caf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:24, skipping insertion in model container [2020-11-22 12:56:24,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:21" (2/3) ... [2020-11-22 12:56:24,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b42caf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:24, skipping insertion in model container [2020-11-22 12:56:24,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:24" (3/3) ... [2020-11-22 12:56:24,254 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2020-11-22 12:56:24,267 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:24,272 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:56:24,283 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:56:24,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:24,317 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:24,317 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:24,317 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:24,318 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:24,318 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:24,318 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:24,318 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2020-11-22 12:56:24,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:56:24,358 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:24,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:24,359 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:24,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1866399249, now seen corresponding path program 1 times [2020-11-22 12:56:24,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:24,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222326149] [2020-11-22 12:56:24,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:24,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:24,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:24,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:24,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222326149] [2020-11-22 12:56:24,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:24,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:24,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274842667] [2020-11-22 12:56:24,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:24,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:24,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:24,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:24,716 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2020-11-22 12:56:24,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:24,747 INFO L93 Difference]: Finished difference Result 235 states and 356 transitions. [2020-11-22 12:56:24,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:24,749 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:56:24,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:24,760 INFO L225 Difference]: With dead ends: 235 [2020-11-22 12:56:24,760 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 12:56:24,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:24,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 12:56:24,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-22 12:56:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-22 12:56:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-11-22 12:56:24,807 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-11-22 12:56:24,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:24,807 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-11-22 12:56:24,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-11-22 12:56:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:56:24,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:24,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:25,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:25,024 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:25,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:25,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1381811150, now seen corresponding path program 1 times [2020-11-22 12:56:25,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:25,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225202762] [2020-11-22 12:56:25,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:25,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:25,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:25,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:25,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225202762] [2020-11-22 12:56:25,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:25,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:56:25,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965882812] [2020-11-22 12:56:25,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:25,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:25,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:25,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:25,296 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 4 states. [2020-11-22 12:56:25,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:25,324 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-11-22 12:56:25,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:25,332 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:56:25,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:25,334 INFO L225 Difference]: With dead ends: 115 [2020-11-22 12:56:25,334 INFO L226 Difference]: Without dead ends: 49 [2020-11-22 12:56:25,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:25,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-22 12:56:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-22 12:56:25,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-22 12:56:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-22 12:56:25,358 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-11-22 12:56:25,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:25,358 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-22 12:56:25,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-22 12:56:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:56:25,360 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:25,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:25,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:25,561 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:25,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:25,561 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2020-11-22 12:56:25,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:25,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788374667] [2020-11-22 12:56:25,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:25,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:25,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:25,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:25,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788374667] [2020-11-22 12:56:25,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:25,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:56:25,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910359489] [2020-11-22 12:56:25,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:25,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:25,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:25,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:25,779 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 4 states. [2020-11-22 12:56:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:25,809 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2020-11-22 12:56:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:56:25,810 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:56:25,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:25,812 INFO L225 Difference]: With dead ends: 158 [2020-11-22 12:56:25,812 INFO L226 Difference]: Without dead ends: 115 [2020-11-22 12:56:25,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:25,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-22 12:56:25,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 68. [2020-11-22 12:56:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-22 12:56:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2020-11-22 12:56:25,840 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2020-11-22 12:56:25,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:25,840 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2020-11-22 12:56:25,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-11-22 12:56:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:56:25,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:25,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:26,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:26,043 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:26,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:26,043 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2020-11-22 12:56:26,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:26,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501483676] [2020-11-22 12:56:26,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:26,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:26,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:26,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:26,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501483676] [2020-11-22 12:56:26,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:26,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:56:26,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956149720] [2020-11-22 12:56:26,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:56:26,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:26,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:56:26,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:56:26,262 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2020-11-22 12:56:26,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:26,349 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-22 12:56:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:26,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 12:56:26,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:26,351 INFO L225 Difference]: With dead ends: 151 [2020-11-22 12:56:26,351 INFO L226 Difference]: Without dead ends: 89 [2020-11-22 12:56:26,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:56:26,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-22 12:56:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-11-22 12:56:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-22 12:56:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2020-11-22 12:56:26,378 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2020-11-22 12:56:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:26,379 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2020-11-22 12:56:26,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:56:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2020-11-22 12:56:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:56:26,380 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:26,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:26,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:56:26,597 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:26,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:26,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2020-11-22 12:56:26,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:26,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753281807] [2020-11-22 12:56:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:26,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:26,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:26,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:26,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753281807] [2020-11-22 12:56:26,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:26,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:56:26,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113537479] [2020-11-22 12:56:26,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:56:26,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:26,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:56:26,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:56:26,910 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 8 states. [2020-11-22 12:56:27,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:27,388 INFO L93 Difference]: Finished difference Result 626 states and 919 transitions. [2020-11-22 12:56:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:56:27,390 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-22 12:56:27,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:27,395 INFO L225 Difference]: With dead ends: 626 [2020-11-22 12:56:27,395 INFO L226 Difference]: Without dead ends: 545 [2020-11-22 12:56:27,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:56:27,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-11-22 12:56:27,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 216. [2020-11-22 12:56:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-22 12:56:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2020-11-22 12:56:27,473 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2020-11-22 12:56:27,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:27,474 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2020-11-22 12:56:27,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:56:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2020-11-22 12:56:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-22 12:56:27,482 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:27,482 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:27,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:56:27,703 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:27,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:27,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1982314079, now seen corresponding path program 1 times [2020-11-22 12:56:27,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:27,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669556204] [2020-11-22 12:56:27,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:27,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:56:27,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:27,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:27,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669556204] [2020-11-22 12:56:27,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [943886188] [2020-11-22 12:56:27,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:56:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:28,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:28,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:56:28,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:56:28,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:56:28,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 12:56:28,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840108864] [2020-11-22 12:56:28,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:56:28,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:28,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:56:28,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:56:28,250 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand 5 states. [2020-11-22 12:56:28,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:28,523 INFO L93 Difference]: Finished difference Result 510 states and 725 transitions. [2020-11-22 12:56:28,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:56:28,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-11-22 12:56:28,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:28,527 INFO L225 Difference]: With dead ends: 510 [2020-11-22 12:56:28,527 INFO L226 Difference]: Without dead ends: 508 [2020-11-22 12:56:28,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-11-22 12:56:28,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-11-22 12:56:28,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 216. [2020-11-22 12:56:28,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-11-22 12:56:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 300 transitions. [2020-11-22 12:56:28,558 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 300 transitions. Word has length 40 [2020-11-22 12:56:28,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:28,558 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 300 transitions. [2020-11-22 12:56:28,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:56:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 300 transitions. [2020-11-22 12:56:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-22 12:56:28,560 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:28,560 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:28,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:56:28,973 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:28,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:28,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1286482770, now seen corresponding path program 1 times [2020-11-22 12:56:28,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:28,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879582320] [2020-11-22 12:56:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:29,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:56:29,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:29,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:29,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879582320] [2020-11-22 12:56:29,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [837293716] [2020-11-22 12:56:29,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:56:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:29,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:29,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:29,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:29,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:56:29,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2020-11-22 12:56:29,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346830594] [2020-11-22 12:56:29,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:56:29,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:29,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:56:29,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:56:29,521 INFO L87 Difference]: Start difference. First operand 216 states and 300 transitions. Second operand 3 states. [2020-11-22 12:56:30,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:30,910 INFO L93 Difference]: Finished difference Result 432 states and 600 transitions. [2020-11-22 12:56:30,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:30,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-11-22 12:56:30,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:30,914 INFO L225 Difference]: With dead ends: 432 [2020-11-22 12:56:30,914 INFO L226 Difference]: Without dead ends: 158 [2020-11-22 12:56:30,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:56:30,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-11-22 12:56:30,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-11-22 12:56:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-22 12:56:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2020-11-22 12:56:30,935 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 48 [2020-11-22 12:56:30,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:30,936 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2020-11-22 12:56:30,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:56:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2020-11-22 12:56:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-22 12:56:30,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:30,937 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:31,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:56:31,347 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:31,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:31,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1024245214, now seen corresponding path program 1 times [2020-11-22 12:56:31,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:31,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493634583] [2020-11-22 12:56:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/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 [2020-11-22 12:56:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:31,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:31,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-22 12:56:31,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-22 12:56:31,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493634583] [2020-11-22 12:56:31,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:31,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:56:31,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853486474] [2020-11-22 12:56:31,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:56:31,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:31,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:56:31,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:56:31,627 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand 5 states. [2020-11-22 12:56:31,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:31,744 INFO L93 Difference]: Finished difference Result 429 states and 572 transitions. [2020-11-22 12:56:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:56:31,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-22 12:56:31,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:31,746 INFO L225 Difference]: With dead ends: 429 [2020-11-22 12:56:31,746 INFO L226 Difference]: Without dead ends: 277 [2020-11-22 12:56:31,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:56:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-11-22 12:56:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 173. [2020-11-22 12:56:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-22 12:56:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 228 transitions. [2020-11-22 12:56:31,773 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 228 transitions. Word has length 51 [2020-11-22 12:56:31,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:31,773 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 228 transitions. [2020-11-22 12:56:31,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:56:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 228 transitions. [2020-11-22 12:56:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-22 12:56:31,775 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:31,775 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:31,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 12:56:31,994 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:31,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:31,995 INFO L82 PathProgramCache]: Analyzing trace with hash -322645340, now seen corresponding path program 1 times [2020-11-22 12:56:31,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:31,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844597752] [2020-11-22 12:56:31,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:32,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 12:56:32,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-22 12:56:32,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-22 12:56:32,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844597752] [2020-11-22 12:56:32,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:32,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 12:56:32,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973539085] [2020-11-22 12:56:32,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:56:32,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:32,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:56:32,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:56:32,271 INFO L87 Difference]: Start difference. First operand 173 states and 228 transitions. Second operand 6 states. [2020-11-22 12:56:32,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:32,360 INFO L93 Difference]: Finished difference Result 405 states and 531 transitions. [2020-11-22 12:56:32,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:56:32,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-11-22 12:56:32,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:32,362 INFO L225 Difference]: With dead ends: 405 [2020-11-22 12:56:32,362 INFO L226 Difference]: Without dead ends: 238 [2020-11-22 12:56:32,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:56:32,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-11-22 12:56:32,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 152. [2020-11-22 12:56:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-22 12:56:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2020-11-22 12:56:32,382 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 51 [2020-11-22 12:56:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:32,384 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2020-11-22 12:56:32,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:56:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2020-11-22 12:56:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-22 12:56:32,385 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:32,385 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:32,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 12:56:32,602 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:32,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:32,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1172394648, now seen corresponding path program 1 times [2020-11-22 12:56:32,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:32,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858181876] [2020-11-22 12:56:32,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:32,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:56:32,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-22 12:56:32,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:32,908 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 12:56:32,908 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:56:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:56:32,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858181876] [2020-11-22 12:56:32,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [105082227] [2020-11-22 12:56:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:56:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:33,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-22 12:56:33,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:56:33,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:56:33,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437204925] [2020-11-22 12:56:33,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 12:56:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:33,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:56:33,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:33,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:56:33,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:56:33,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 12:56:33,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5, 5] total 12 [2020-11-22 12:56:33,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023386210] [2020-11-22 12:56:33,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-22 12:56:33,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:33,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-22 12:56:33,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-22 12:56:33,524 INFO L87 Difference]: Start difference. First operand 152 states and 196 transitions. Second operand 13 states. [2020-11-22 12:56:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:36,750 INFO L93 Difference]: Finished difference Result 1832 states and 2415 transitions. [2020-11-22 12:56:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-22 12:56:36,750 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2020-11-22 12:56:36,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:36,759 INFO L225 Difference]: With dead ends: 1832 [2020-11-22 12:56:36,760 INFO L226 Difference]: Without dead ends: 1710 [2020-11-22 12:56:36,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2092 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1053, Invalid=4647, Unknown=0, NotChecked=0, Total=5700 [2020-11-22 12:56:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2020-11-22 12:56:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 274. [2020-11-22 12:56:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-11-22 12:56:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2020-11-22 12:56:36,826 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 52 [2020-11-22 12:56:36,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:36,828 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2020-11-22 12:56:36,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-22 12:56:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2020-11-22 12:56:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-22 12:56:36,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:36,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-22 12:56:37,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 12:56:37,447 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:37,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:37,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1261233046, now seen corresponding path program 1 times [2020-11-22 12:56:37,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:37,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446696496] [2020-11-22 12:56:37,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:37,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:37,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-22 12:56:37,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-22 12:56:37,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446696496] [2020-11-22 12:56:37,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:37,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 12:56:37,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425379142] [2020-11-22 12:56:37,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:56:37,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:37,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:56:37,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:56:37,751 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand 8 states. [2020-11-22 12:56:37,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:37,840 INFO L93 Difference]: Finished difference Result 441 states and 565 transitions. [2020-11-22 12:56:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:56:37,842 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2020-11-22 12:56:37,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:37,842 INFO L225 Difference]: With dead ends: 441 [2020-11-22 12:56:37,842 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:56:37,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:56:37,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:56:37,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:56:37,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:56:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:56:37,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-11-22 12:56:37,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:37,844 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:56:37,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:56:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:56:37,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:38,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-11-22 12:56:38,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:56:38,449 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 133 [2020-11-22 12:56:38,849 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2020-11-22 12:56:39,111 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2020-11-22 12:56:39,255 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 130 [2020-11-22 12:56:39,427 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 133 [2020-11-22 12:56:40,624 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-22 12:56:41,024 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2020-11-22 12:56:41,215 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-11-22 12:56:41,641 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2020-11-22 12:56:42,103 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 24 [2020-11-22 12:56:43,023 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-22 12:56:43,499 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2020-11-22 12:56:44,362 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-22 12:56:45,147 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 29 [2020-11-22 12:56:46,133 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 37 [2020-11-22 12:56:46,135 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:46,136 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:56:46,136 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:56:46,136 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L268(lines 259 272) the Hoare annotation is: false [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L268-1(lines 259 272) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L268-2(lines 259 272) the Hoare annotation is: false [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L268-3(lines 259 272) the Hoare annotation is: false [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L268-4(lines 259 272) the Hoare annotation is: false [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L268-5(lines 259 272) the Hoare annotation is: false [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L335(lines 335 341) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2)) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L335-1(lines 335 341) the Hoare annotation is: false [2020-11-22 12:56:46,136 INFO L270 CegarLoopResult]: At program point L335-2(lines 335 341) the Hoare annotation is: false [2020-11-22 12:56:46,137 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:56:46,137 INFO L270 CegarLoopResult]: At program point L305(lines 1 973) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:56:46,137 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L604-2(line 604) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv0 32))) [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-11-22 12:56:46,137 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L507-2(lines 507 511) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L507-3(lines 507 511) no Hoare annotation was computed. [2020-11-22 12:56:46,137 INFO L274 CegarLoopResult]: For program point L507-5(lines 507 511) no Hoare annotation was computed. [2020-11-22 12:56:46,138 INFO L274 CegarLoopResult]: For program point L507-6(lines 507 511) no Hoare annotation was computed. [2020-11-22 12:56:46,138 INFO L274 CegarLoopResult]: For program point L507-8(lines 507 511) no Hoare annotation was computed. [2020-11-22 12:56:46,138 INFO L274 CegarLoopResult]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L278(lines 273 281) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L278-1(lines 273 281) the Hoare annotation is: false [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L278-2(lines 273 281) the Hoare annotation is: false [2020-11-22 12:56:46,138 INFO L274 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L313(lines 308 316) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:56:46,138 INFO L274 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-11-22 12:56:46,138 INFO L274 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L579-1(lines 328 334) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L513(lines 498 516) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L513-1(lines 498 516) the Hoare annotation is: false [2020-11-22 12:56:46,138 INFO L270 CegarLoopResult]: At program point L513-2(lines 498 516) the Hoare annotation is: false [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L186(lines 186 190) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L186-3(lines 186 190) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L186-6(lines 186 190) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L386(lines 386 403) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L386-1(lines 386 403) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L386-2(lines 386 403) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L270 CegarLoopResult]: At program point L255(lines 250 258) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43)))) (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse2 .cse3)))) [2020-11-22 12:56:46,139 INFO L270 CegarLoopResult]: At program point L255-1(lines 250 258) the Hoare annotation is: false [2020-11-22 12:56:46,139 INFO L270 CegarLoopResult]: At program point L255-2(lines 250 258) the Hoare annotation is: false [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-11-22 12:56:46,139 INFO L270 CegarLoopResult]: At program point L553-1(lines 553 559) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-22 12:56:46,139 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L157(lines 157 170) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L270 CegarLoopResult]: At program point L157-1(lines 1 973) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))))))) [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L157-2(lines 157 170) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L270 CegarLoopResult]: At program point L157-3(lines 1 973) the Hoare annotation is: false [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L58-1(lines 328 334) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L157-4(lines 157 170) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L270 CegarLoopResult]: At program point L157-5(lines 1 973) the Hoare annotation is: false [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L521(lines 521 527) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L270 CegarLoopResult]: At program point L521-1(lines 521 527) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L488(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L488-3(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L488-5(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L488-6(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,140 INFO L274 CegarLoopResult]: For program point L488-8(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L488-9(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L488-11(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L488-12(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L488-14(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L488-15(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L488-17(lines 488 492) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L390(lines 390 398) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L390-1(lines 390 398) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L390-2(lines 390 398) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L161(lines 161 167) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L161-2(lines 161 167) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L161-4(lines 161 167) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L270 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: false [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L360(lines 360 377) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L360-1(lines 360 377) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L360-2(lines 360 377) no Hoare annotation was computed. [2020-11-22 12:56:46,141 INFO L274 CegarLoopResult]: For program point L360-3(lines 360 377) no Hoare annotation was computed. [2020-11-22 12:56:46,142 INFO L274 CegarLoopResult]: For program point L360-4(lines 360 377) no Hoare annotation was computed. [2020-11-22 12:56:46,142 INFO L274 CegarLoopResult]: For program point L360-5(lines 360 377) no Hoare annotation was computed. [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L328(lines 327 346) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-22 12:56:46,142 INFO L274 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L328-2(lines 327 346) the Hoare annotation is: false [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L328-3(lines 327 346) the Hoare annotation is: false [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L494(lines 479 497) the Hoare annotation is: false [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L494-1(lines 479 497) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))))) [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L494-2(lines 479 497) the Hoare annotation is: false [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L494-3(lines 479 497) the Hoare annotation is: false [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L494-4(lines 479 497) the Hoare annotation is: false [2020-11-22 12:56:46,142 INFO L270 CegarLoopResult]: At program point L494-5(lines 479 497) the Hoare annotation is: false [2020-11-22 12:56:46,142 INFO L274 CegarLoopResult]: For program point L263(lines 263 269) no Hoare annotation was computed. [2020-11-22 12:56:46,142 INFO L274 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-11-22 12:56:46,142 INFO L274 CegarLoopResult]: For program point L263-2(lines 263 269) no Hoare annotation was computed. [2020-11-22 12:56:46,142 INFO L274 CegarLoopResult]: For program point L263-3(lines 263 269) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L263-4(lines 263 269) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L263-5(lines 263 269) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L364-1(lines 364 372) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L364-3(lines 364 372) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L364-4(lines 364 372) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L364-5(lines 364 372) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L274 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-11-22 12:56:46,143 INFO L270 CegarLoopResult]: At program point L563-1(lines 563 569) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-22 12:56:46,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,154 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,160 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,179 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:46 BoogieIcfgContainer [2020-11-22 12:56:46,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:46,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:46,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:46,202 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:46,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:24" (3/4) ... [2020-11-22 12:56:46,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:56:46,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:56:46,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:56:46,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:56:46,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:56:46,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:56:46,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:46,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:46,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32)) [2020-11-22 12:56:46,255 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:56:46,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:56:46,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:56:46,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:56:46,257 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:56:46,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:56:46,259 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32 [2020-11-22 12:56:46,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2020-11-22 12:56:46,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 [2020-11-22 12:56:46,261 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-22 12:56:46,262 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2020-11-22 12:56:46,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0d579db0-82aa-4738-a901-fd0e103786d1/bin/utaipan/witness.graphml [2020-11-22 12:56:46,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:46,325 INFO L168 Benchmark]: Toolchain (without parser) took 25579.21 ms. Allocated memory was 77.6 MB in the beginning and 174.1 MB in the end (delta: 96.5 MB). Free memory was 43.4 MB in the beginning and 73.6 MB in the end (delta: -30.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:46,325 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:46,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.26 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 43.7 MB in the end (delta: -453.3 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:46,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.89 ms. Allocated memory is still 77.6 MB. Free memory was 43.5 MB in the beginning and 40.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:46,326 INFO L168 Benchmark]: Boogie Preprocessor took 64.87 ms. Allocated memory is still 77.6 MB. Free memory was 39.9 MB in the beginning and 37.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:46,327 INFO L168 Benchmark]: RCFGBuilder took 2529.73 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 37.2 MB in the beginning and 45.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:46,327 INFO L168 Benchmark]: TraceAbstraction took 21955.67 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 45.3 MB in the beginning and 84.1 MB in the end (delta: -38.8 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:46,328 INFO L168 Benchmark]: Witness Printer took 122.41 ms. Allocated memory is still 174.1 MB. Free memory was 84.1 MB in the beginning and 73.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:46,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 791.26 ms. Allocated memory is still 77.6 MB. Free memory was 43.3 MB in the beginning and 43.7 MB in the end (delta: -453.3 kB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.89 ms. Allocated memory is still 77.6 MB. Free memory was 43.5 MB in the beginning and 40.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.87 ms. Allocated memory is still 77.6 MB. Free memory was 39.9 MB in the beginning and 37.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2529.73 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 37.2 MB in the beginning and 45.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21955.67 ms. Allocated memory was 98.6 MB in the beginning and 174.1 MB in the end (delta: 75.5 MB). Free memory was 45.3 MB in the beginning and 84.1 MB in the end (delta: -38.8 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. * Witness Printer took 122.41 ms. Allocated memory is still 174.1 MB. Free memory was 84.1 MB in the beginning and 73.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant [2020-11-22 12:56:46,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 1]: Loop Invariant [2020-11-22 12:56:46,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32)) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant [2020-11-22 12:56:46,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 563]: Loop Invariant [2020-11-22 12:56:46,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,345 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,346 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,346 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant [2020-11-22 12:56:46,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,351 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-22 12:56:46,352 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1242 SDtfs, 3380 SDslu, 3481 SDs, 0 SdLazy, 768 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1281 GetRequests, 1149 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2137 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2296 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 139 NumberOfFragments, 709 HoareAnnotationTreeSize, 44 FomulaSimplifications, 147590 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 327017 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1192 ConstructedInterpolants, 1 QuantifiedInterpolants, 142207 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3324 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 282/350 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...