./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.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_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 ............................................................................................................................................ 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_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:57:35,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:35,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:35,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:35,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:35,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:35,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:35,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:35,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:35,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:35,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:35,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:35,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:35,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:35,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:35,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:35,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:35,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:35,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:35,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:35,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:35,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:35,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:35,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:35,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:35,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:35,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:35,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:35,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:35,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:35,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:35,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:35,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:35,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:35,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:35,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:35,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:35,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:35,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:35,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:35,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:35,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:57:35,303 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:35,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:35,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:35,304 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:35,304 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:35,304 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:35,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:57:35,306 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:35,306 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:35,306 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:57:35,307 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:57:35,308 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:35,308 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:57:35,308 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:57:35,308 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:57:35,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:35,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:35,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:57:35,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:35,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:35,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:35,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:35,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:35,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:35,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:35,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:35,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:35,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:35,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:35,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:35,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:35,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:35,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:35,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:35,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:35,316 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:57:35,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:57:35,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:35,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:35,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:35,317 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_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 [2020-11-22 12:57:35,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:35,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:35,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:35,597 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:35,597 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:35,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-11-22 12:57:35,690 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/ed083a34c/e5a6b17c7d34440da9428ff7ffa6adf2/FLAG718dbed95 [2020-11-22 12:57:36,139 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:36,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-11-22 12:57:36,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/ed083a34c/e5a6b17c7d34440da9428ff7ffa6adf2/FLAG718dbed95 [2020-11-22 12:57:36,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/ed083a34c/e5a6b17c7d34440da9428ff7ffa6adf2 [2020-11-22 12:57:36,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:36,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:36,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:36,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:36,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:36,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:36" (1/1) ... [2020-11-22 12:57:36,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210b5971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:36, skipping insertion in model container [2020-11-22 12:57:36,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:36" (1/1) ... [2020-11-22 12:57:36,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:36,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:36,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:36,903 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 12:57:36,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c5f1452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:36, skipping insertion in model container [2020-11-22 12:57:36,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:36,913 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:57:36,916 INFO L168 Benchmark]: Toolchain (without parser) took 415.15 ms. Allocated memory is still 98.6 MB. Free memory was 68.5 MB in the beginning and 74.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:36,918 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:36,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.39 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 74.1 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:36,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.39 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 74.1 MB in the end (delta: -5.8 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: 629]: 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 12:57:39,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:57:39,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:57:39,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:57:39,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:57:39,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:57:39,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:57:39,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:57:39,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:57:39,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:57:39,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:57:39,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:57:39,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:57:39,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:57:39,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:57:39,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:57:39,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:57:39,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:57:39,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:57:39,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:57:39,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:57:39,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:57:39,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:57:39,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:57:39,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:57:39,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:57:39,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:57:39,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:57:39,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:57:39,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:57:39,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:57:39,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:57:39,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:57:39,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:57:39,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:57:39,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:57:39,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:57:39,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:57:39,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:57:39,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:57:39,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:57:39,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:57:39,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:57:39,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:57:39,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:57:39,364 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:57:39,364 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:57:39,364 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:57:39,365 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:57:39,365 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:57:39,365 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:57:39,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:57:39,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:57:39,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:57:39,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:57:39,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:57:39,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:57:39,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:57:39,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:57:39,373 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:57:39,373 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:57:39,373 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:57:39,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:57:39,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:57:39,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:57:39,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:57:39,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:57:39,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:57:39,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:57:39,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:57:39,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:57:39,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:57:39,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:57:39,375 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:57:39,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:57:39,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:57:39,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:57:39,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:57:39,376 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_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c6f182587f107e711c974ed9b8b1e5162ebb6f5 [2020-11-22 12:57:39,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:57:39,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:57:39,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:57:39,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:57:39,810 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:57:39,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-11-22 12:57:39,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/248506376/3994efca6d43426ebe336357be6ac554/FLAG49520b387 [2020-11-22 12:57:40,517 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:57:40,517 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2020-11-22 12:57:40,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/248506376/3994efca6d43426ebe336357be6ac554/FLAG49520b387 [2020-11-22 12:57:40,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/data/248506376/3994efca6d43426ebe336357be6ac554 [2020-11-22 12:57:40,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:57:40,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:57:40,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:40,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:57:40,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:57:40,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:40" (1/1) ... [2020-11-22 12:57:40,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726fa60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:40, skipping insertion in model container [2020-11-22 12:57:40,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:57:40" (1/1) ... [2020-11-22 12:57:40,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:57:40,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:41,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:41,244 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:57:41,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:57:41,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:41,335 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:57:41,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:57:41,507 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:57:41,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41 WrapperNode [2020-11-22 12:57:41,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:57:41,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:41,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:57:41,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:57:41,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:57:41,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:57:41,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:57:41,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:57:41,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... [2020-11-22 12:57:41,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:57:41,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:57:41,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:57:41,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:57:41,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:57:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:57:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:57:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:57:44,843 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:57:44,844 INFO L298 CfgBuilder]: Removed 198 assume(true) statements. [2020-11-22 12:57:44,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:44 BoogieIcfgContainer [2020-11-22 12:57:44,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:57:44,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:57:44,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:57:44,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:57:44,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:57:40" (1/3) ... [2020-11-22 12:57:44,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b40b088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:44, skipping insertion in model container [2020-11-22 12:57:44,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:57:41" (2/3) ... [2020-11-22 12:57:44,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b40b088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:57:44, skipping insertion in model container [2020-11-22 12:57:44,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:44" (3/3) ... [2020-11-22 12:57:44,854 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2020-11-22 12:57:44,866 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:57:44,871 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:57:44,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:57:44,911 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:57:44,911 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:57:44,911 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:57:44,911 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:57:44,911 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:57:44,912 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:57:44,912 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:57:44,912 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:57:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-11-22 12:57:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:57:44,935 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:44,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:44,937 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:44,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:44,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1794396740, now seen corresponding path program 1 times [2020-11-22 12:57:44,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:44,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747223892] [2020-11-22 12:57:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:45,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:57:45,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:45,248 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 12:57:45,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:45,260 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 12:57:45,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747223892] [2020-11-22 12:57:45,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:45,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:57:45,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637162152] [2020-11-22 12:57:45,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:57:45,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:45,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:57:45,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:57:45,291 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-11-22 12:57:45,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:45,358 INFO L93 Difference]: Finished difference Result 267 states and 398 transitions. [2020-11-22 12:57:45,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:57:45,364 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:57:45,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:45,375 INFO L225 Difference]: With dead ends: 267 [2020-11-22 12:57:45,375 INFO L226 Difference]: Without dead ends: 131 [2020-11-22 12:57:45,379 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 12:57:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-22 12:57:45,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-11-22 12:57:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-22 12:57:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-11-22 12:57:45,457 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-11-22 12:57:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:45,457 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-11-22 12:57:45,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:57:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-11-22 12:57:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:57:45,460 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:45,460 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 12:57:45,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:57:45,678 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:45,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:45,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1720251087, now seen corresponding path program 1 times [2020-11-22 12:57:45,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:45,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041476459] [2020-11-22 12:57:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:45,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:45,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:45,889 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 12:57:45,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:45,911 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 12:57:45,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041476459] [2020-11-22 12:57:45,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:45,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:57:45,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871465298] [2020-11-22 12:57:45,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:57:45,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:45,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:57:45,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:45,914 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 4 states. [2020-11-22 12:57:45,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:45,933 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-11-22 12:57:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:57:45,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:57:45,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:45,935 INFO L225 Difference]: With dead ends: 131 [2020-11-22 12:57:45,935 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 12:57:45,936 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 12:57:45,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 12:57:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 12:57:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 12:57:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-11-22 12:57:45,942 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-11-22 12:57:45,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:45,943 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-11-22 12:57:45,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:57:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-11-22 12:57:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:57:45,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:45,944 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 12:57:46,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:57:46,161 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:46,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:46,162 INFO L82 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2020-11-22 12:57:46,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:46,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636412350] [2020-11-22 12:57:46,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:46,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:46,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:46,386 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 12:57:46,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:46,396 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 12:57:46,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636412350] [2020-11-22 12:57:46,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:46,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:57:46,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808929399] [2020-11-22 12:57:46,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:57:46,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:46,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:57:46,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:57:46,398 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 4 states. [2020-11-22 12:57:46,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:46,418 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-11-22 12:57:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:57:46,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:57:46,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:46,419 INFO L225 Difference]: With dead ends: 100 [2020-11-22 12:57:46,420 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 12:57:46,420 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 12:57:46,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 12:57:46,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 12:57:46,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 12:57:46,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-11-22 12:57:46,427 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-11-22 12:57:46,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:46,427 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-11-22 12:57:46,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:57:46,428 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-11-22 12:57:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:57:46,429 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:46,429 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 12:57:46,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:57:46,630 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:46,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:46,630 INFO L82 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2020-11-22 12:57:46,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:46,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656167757] [2020-11-22 12:57:46,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:46,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:57:46,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:46,827 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 12:57:46,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:46,830 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 12:57:46,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656167757] [2020-11-22 12:57:46,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:46,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:57:46,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465195352] [2020-11-22 12:57:46,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:57:46,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:46,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:57:46,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:57:46,832 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-11-22 12:57:46,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:46,968 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-11-22 12:57:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:57:46,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 12:57:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:46,970 INFO L225 Difference]: With dead ends: 121 [2020-11-22 12:57:46,970 INFO L226 Difference]: Without dead ends: 74 [2020-11-22 12:57:46,970 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 12:57:46,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-22 12:57:46,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-11-22 12:57:46,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-22 12:57:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-11-22 12:57:46,988 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-11-22 12:57:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:46,988 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-11-22 12:57:46,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:57:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-11-22 12:57:46,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-22 12:57:46,989 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:46,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:47,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:57:47,210 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:47,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:47,210 INFO L82 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2020-11-22 12:57:47,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:47,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463665733] [2020-11-22 12:57:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:47,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:57:47,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:47,463 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 12:57:47,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:47,522 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 12:57:47,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463665733] [2020-11-22 12:57:47,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:47,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:57:47,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154064341] [2020-11-22 12:57:47,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:57:47,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:47,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:57:47,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:57:47,530 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 8 states. [2020-11-22 12:57:48,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:48,014 INFO L93 Difference]: Finished difference Result 536 states and 778 transitions. [2020-11-22 12:57:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:57:48,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-11-22 12:57:48,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:48,019 INFO L225 Difference]: With dead ends: 536 [2020-11-22 12:57:48,019 INFO L226 Difference]: Without dead ends: 470 [2020-11-22 12:57:48,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 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 12:57:48,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-11-22 12:57:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 173. [2020-11-22 12:57:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-22 12:57:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2020-11-22 12:57:48,060 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 30 [2020-11-22 12:57:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:48,060 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2020-11-22 12:57:48,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:57:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2020-11-22 12:57:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-22 12:57:48,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:48,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:57:48,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:57:48,286 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:48,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:48,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1639701275, now seen corresponding path program 1 times [2020-11-22 12:57:48,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:48,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225372351] [2020-11-22 12:57:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:48,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:57:48,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:48,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:57:48,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225372351] [2020-11-22 12:57:48,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [661359518] [2020-11-22 12:57:48,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:48,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:57:48,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-22 12:57:48,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-22 12:57:48,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:57:48,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-22 12:57:48,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850694598] [2020-11-22 12:57:48,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:57:48,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:48,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:57:48,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:57:48,920 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand 5 states. [2020-11-22 12:57:49,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:49,189 INFO L93 Difference]: Finished difference Result 423 states and 597 transitions. [2020-11-22 12:57:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:57:49,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-11-22 12:57:49,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:49,193 INFO L225 Difference]: With dead ends: 423 [2020-11-22 12:57:49,193 INFO L226 Difference]: Without dead ends: 421 [2020-11-22 12:57:49,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 204 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 12:57:49,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-22 12:57:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 173. [2020-11-22 12:57:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-22 12:57:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2020-11-22 12:57:49,240 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 53 [2020-11-22 12:57:49,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:49,242 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2020-11-22 12:57:49,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:57:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2020-11-22 12:57:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-22 12:57:49,243 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:49,243 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, 1, 1, 1] [2020-11-22 12:57:49,664 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 12:57:49,664 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:49,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:49,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1291409367, now seen corresponding path program 1 times [2020-11-22 12:57:49,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:49,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195457852] [2020-11-22 12:57:49,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:49,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:57:49,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:49,911 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 12:57:49,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:49,923 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 12:57:49,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195457852] [2020-11-22 12:57:49,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:49,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:57:49,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866749511] [2020-11-22 12:57:49,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:57:49,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:49,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:57:49,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:57:49,925 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand 5 states. [2020-11-22 12:57:50,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:50,046 INFO L93 Difference]: Finished difference Result 462 states and 633 transitions. [2020-11-22 12:57:50,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:57:50,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-11-22 12:57:50,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:50,052 INFO L225 Difference]: With dead ends: 462 [2020-11-22 12:57:50,052 INFO L226 Difference]: Without dead ends: 295 [2020-11-22 12:57:50,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 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 12:57:50,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-11-22 12:57:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2020-11-22 12:57:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-22 12:57:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 254 transitions. [2020-11-22 12:57:50,086 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 254 transitions. Word has length 54 [2020-11-22 12:57:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:50,087 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 254 transitions. [2020-11-22 12:57:50,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:57:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 254 transitions. [2020-11-22 12:57:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-22 12:57:50,089 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:50,089 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, 1, 1, 1] [2020-11-22 12:57:50,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 12:57:50,301 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:50,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:50,302 INFO L82 PathProgramCache]: Analyzing trace with hash -952573931, now seen corresponding path program 1 times [2020-11-22 12:57:50,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:50,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261868142] [2020-11-22 12:57:50,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:50,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 12:57:50,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:50,521 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 12:57:50,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:50,546 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 12:57:50,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261868142] [2020-11-22 12:57:50,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:50,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 12:57:50,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033590352] [2020-11-22 12:57:50,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:57:50,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:50,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:57:50,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:57:50,549 INFO L87 Difference]: Start difference. First operand 188 states and 254 transitions. Second operand 6 states. [2020-11-22 12:57:50,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:50,648 INFO L93 Difference]: Finished difference Result 426 states and 575 transitions. [2020-11-22 12:57:50,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:57:50,649 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-11-22 12:57:50,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:50,650 INFO L225 Difference]: With dead ends: 426 [2020-11-22 12:57:50,650 INFO L226 Difference]: Without dead ends: 244 [2020-11-22 12:57:50,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 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 12:57:50,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-22 12:57:50,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2020-11-22 12:57:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-22 12:57:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2020-11-22 12:57:50,672 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 54 [2020-11-22 12:57:50,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:50,673 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2020-11-22 12:57:50,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:57:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2020-11-22 12:57:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-22 12:57:50,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:50,675 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, 1, 1, 1] [2020-11-22 12:57:50,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 12:57:50,891 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:50,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:50,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1296965935, now seen corresponding path program 1 times [2020-11-22 12:57:50,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:50,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835639457] [2020-11-22 12:57:50,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/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 12:57:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:51,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:57:51,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:51,198 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 12:57:51,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:51,216 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 12:57:51,217 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:57:51,261 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 12:57:51,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835639457] [2020-11-22 12:57:51,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1332037172] [2020-11-22 12:57:51,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:57:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:51,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-22 12:57:51,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:51,550 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 12:57:51,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:51,615 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 12:57:51,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374746800] [2020-11-22 12:57:51,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 12:57:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:51,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:57:51,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:51,815 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 12:57:51,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:51,830 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 12:57:51,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 12:57:51,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2020-11-22 12:57:51,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466122630] [2020-11-22 12:57:51,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-22 12:57:51,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:51,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-22 12:57:51,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:57:51,834 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. Second operand 12 states. [2020-11-22 12:57:55,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:55,053 INFO L93 Difference]: Finished difference Result 1916 states and 2593 transitions. [2020-11-22 12:57:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-22 12:57:55,053 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2020-11-22 12:57:55,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:55,064 INFO L225 Difference]: With dead ends: 1916 [2020-11-22 12:57:55,064 INFO L226 Difference]: Without dead ends: 1788 [2020-11-22 12:57:55,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 310 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2015 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2020-11-22 12:57:55,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2020-11-22 12:57:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 283. [2020-11-22 12:57:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-11-22 12:57:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2020-11-22 12:57:55,121 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 55 [2020-11-22 12:57:55,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:55,121 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2020-11-22 12:57:55,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-22 12:57:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2020-11-22 12:57:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-22 12:57:55,122 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:55,122 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, 1, 1, 1] [2020-11-22 12:57:55,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2020-11-22 12:57:55,750 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:55,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:55,750 INFO L82 PathProgramCache]: Analyzing trace with hash -34491099, now seen corresponding path program 1 times [2020-11-22 12:57:55,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:55,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896493342] [2020-11-22 12:57:55,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:55,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:57:55,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:55,998 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 12:57:55,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:56,041 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 12:57:56,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896493342] [2020-11-22 12:57:56,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:56,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 12:57:56,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156941308] [2020-11-22 12:57:56,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:57:56,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:56,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:57:56,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:57:56,047 INFO L87 Difference]: Start difference. First operand 283 states and 380 transitions. Second operand 8 states. [2020-11-22 12:57:56,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:56,134 INFO L93 Difference]: Finished difference Result 456 states and 603 transitions. [2020-11-22 12:57:56,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:57:56,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 76 [2020-11-22 12:57:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:56,135 INFO L225 Difference]: With dead ends: 456 [2020-11-22 12:57:56,136 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:57:56,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 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 12:57:56,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:57:56,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:57:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:57:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:57:56,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-11-22 12:57:56,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:56,137 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:57:56,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:57:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:57:56,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:57:56,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-11-22 12:57:56,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:57:56,808 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 103 [2020-11-22 12:57:56,980 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 107 [2020-11-22 12:57:57,239 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 106 [2020-11-22 12:57:57,445 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 107 [2020-11-22 12:57:58,309 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2020-11-22 12:57:59,136 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2020-11-22 12:57:59,280 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 15 [2020-11-22 12:57:59,512 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-22 12:58:00,167 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2020-11-22 12:58:00,840 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2020-11-22 12:58:01,172 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2020-11-22 12:58:01,720 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 24 [2020-11-22 12:58:01,873 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2020-11-22 12:58:01,972 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:01,972 INFO L270 CegarLoopResult]: At program point L564(lines 560 566) 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 12:58:01,972 INFO L270 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))))) [2020-11-22 12:58:01,972 INFO L270 CegarLoopResult]: At program point L102(lines 55 103) the Hoare annotation is: false [2020-11-22 12:58:01,972 INFO L270 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2020-11-22 12:58:01,973 INFO L270 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L270 CegarLoopResult]: At program point L500(lines 495 503) 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 12:58:01,973 INFO L274 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L306(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L306-2(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L306-3(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L306-5(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L306-6(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L306-8(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,973 INFO L274 CegarLoopResult]: For program point L306-9(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L274 CegarLoopResult]: For program point L306-11(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L274 CegarLoopResult]: For program point L306-12(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L274 CegarLoopResult]: For program point L306-14(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L274 CegarLoopResult]: For program point L306-15(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L274 CegarLoopResult]: For program point L306-17(lines 306 310) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L270 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2020-11-22 12:58:01,974 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L270 CegarLoopResult]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-11-22 12:58:01,974 INFO L270 CegarLoopResult]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-11-22 12:58:01,974 INFO L274 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-11-22 12:58:01,974 INFO L270 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse1))) [2020-11-22 12:58:01,974 INFO L270 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L407-1(lines 402 410) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L274 CegarLoopResult]: For program point L971(line 971) no Hoare annotation was computed. [2020-11-22 12:58:01,975 INFO L274 CegarLoopResult]: For program point L971-1(line 971) no Hoare annotation was computed. [2020-11-22 12:58:01,975 INFO L274 CegarLoopResult]: For program point L971-2(line 971) no Hoare annotation was computed. [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L312(lines 297 315) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L312-1(lines 297 315) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2))) [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L312-2(lines 297 315) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L312-3(lines 297 315) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L312-4(lines 297 315) the Hoare annotation is: false [2020-11-22 12:58:01,975 INFO L270 CegarLoopResult]: At program point L312-5(lines 297 315) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L274 CegarLoopResult]: For program point L346(lines 346 359) no Hoare annotation was computed. [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L346-1(lines 1 974) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2020-11-22 12:58:01,976 INFO L274 CegarLoopResult]: For program point L346-2(lines 346 359) no Hoare annotation was computed. [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L346-3(lines 1 974) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L274 CegarLoopResult]: For program point L346-4(lines 346 359) no Hoare annotation was computed. [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L346-5(lines 1 974) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L248(lines 241 251) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L248-1(lines 241 251) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L248-2(lines 241 251) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L248-3(lines 241 251) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L248-4(lines 241 251) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L270 CegarLoopResult]: At program point L248-5(lines 241 251) the Hoare annotation is: false [2020-11-22 12:58:01,976 INFO L274 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-11-22 12:58:01,976 INFO L274 CegarLoopResult]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2020-11-22 12:58:01,976 INFO L274 CegarLoopResult]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L447-3(lines 447 453) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L447-4(lines 447 453) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L447-5(lines 447 453) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L350-2(lines 350 356) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L350-4(lines 350 356) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L274 CegarLoopResult]: For program point L86(lines 86 97) no Hoare annotation was computed. [2020-11-22 12:58:01,977 INFO L270 CegarLoopResult]: At program point L516-2(lines 516 530) the Hoare annotation is: false [2020-11-22 12:58:01,978 INFO L274 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-11-22 12:58:01,978 INFO L274 CegarLoopResult]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2020-11-22 12:58:01,978 INFO L274 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2020-11-22 12:58:01,978 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-11-22 12:58:01,978 INFO L270 CegarLoopResult]: At program point L452(lines 443 456) the Hoare annotation is: false [2020-11-22 12:58:01,978 INFO L270 CegarLoopResult]: At program point L452-1(lines 443 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2))) [2020-11-22 12:58:01,978 INFO L270 CegarLoopResult]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2020-11-22 12:58:01,979 INFO L270 CegarLoopResult]: At program point L452-3(lines 443 456) the Hoare annotation is: false [2020-11-22 12:58:01,979 INFO L270 CegarLoopResult]: At program point L452-4(lines 443 456) the Hoare annotation is: false [2020-11-22 12:58:01,979 INFO L270 CegarLoopResult]: At program point L452-5(lines 443 456) the Hoare annotation is: false [2020-11-22 12:58:01,979 INFO L274 CegarLoopResult]: For program point L57(lines 56 101) no Hoare annotation was computed. [2020-11-22 12:58:01,979 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-11-22 12:58:01,979 INFO L274 CegarLoopResult]: For program point L520-1(lines 128 134) no Hoare annotation was computed. [2020-11-22 12:58:01,979 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L223-2(lines 223 229) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L223-4(lines 223 229) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-22 12:58:01,980 INFO L274 CegarLoopResult]: For program point L223-6(lines 223 229) no Hoare annotation was computed. [2020-11-22 12:58:01,981 INFO L274 CegarLoopResult]: For program point L223-8(lines 223 229) no Hoare annotation was computed. [2020-11-22 12:58:01,981 INFO L274 CegarLoopResult]: For program point L223-10(lines 223 229) no Hoare annotation was computed. [2020-11-22 12:58:01,981 INFO L274 CegarLoopResult]: For program point L587(lines 587 594) no Hoare annotation was computed. [2020-11-22 12:58:01,981 INFO L277 CegarLoopResult]: At program point L587-1(lines 587 594) the Hoare annotation is: true [2020-11-22 12:58:01,981 INFO L270 CegarLoopResult]: At program point L257(lines 252 260) the Hoare annotation is: false [2020-11-22 12:58:01,981 INFO L270 CegarLoopResult]: At program point L257-1(lines 252 260) the Hoare annotation is: false [2020-11-22 12:58:01,981 INFO L270 CegarLoopResult]: At program point L257-2(lines 252 260) the Hoare annotation is: false [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L92-2(lines 128 134) no Hoare annotation was computed. [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L325(lines 325 329) no Hoare annotation was computed. [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2020-11-22 12:58:01,982 INFO L274 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2020-11-22 12:58:01,983 INFO L274 CegarLoopResult]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2020-11-22 12:58:01,983 INFO L274 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2020-11-22 12:58:01,983 INFO L274 CegarLoopResult]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2020-11-22 12:58:01,983 INFO L274 CegarLoopResult]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2020-11-22 12:58:01,983 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:58:01,983 INFO L274 CegarLoopResult]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2020-11-22 12:58:01,983 INFO L274 CegarLoopResult]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2020-11-22 12:58:01,984 INFO L270 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse3 .cse2))) [2020-11-22 12:58:01,984 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-11-22 12:58:01,984 INFO L270 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2020-11-22 12:58:01,984 INFO L270 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2020-11-22 12:58:01,984 INFO L270 CegarLoopResult]: At program point L492(lines 1 974) 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 12:58:01,984 INFO L274 CegarLoopResult]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-11-22 12:58:01,984 INFO L274 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-11-22 12:58:01,985 INFO L274 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2020-11-22 12:58:01,985 INFO L274 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2020-11-22 12:58:01,985 INFO L274 CegarLoopResult]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2020-11-22 12:58:01,985 INFO L274 CegarLoopResult]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2020-11-22 12:58:01,985 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:58:01,985 INFO L274 CegarLoopResult]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2020-11-22 12:58:01,985 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:01,986 INFO L270 CegarLoopResult]: At program point L462(lines 457 465) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2020-11-22 12:58:01,986 INFO L270 CegarLoopResult]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2020-11-22 12:58:01,986 INFO L270 CegarLoopResult]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2020-11-22 12:58:01,986 INFO L274 CegarLoopResult]: For program point L66(lines 66 72) no Hoare annotation was computed. [2020-11-22 12:58:01,986 INFO L270 CegarLoopResult]: At program point L66-1(lines 66 72) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse1))) [2020-11-22 12:58:01,986 INFO L270 CegarLoopResult]: At program point L331(lines 316 334) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:01,987 INFO L270 CegarLoopResult]: At program point L331-1(lines 316 334) the Hoare annotation is: false [2020-11-22 12:58:01,987 INFO L270 CegarLoopResult]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2020-11-22 12:58:01,987 INFO L277 CegarLoopResult]: At program point L596(lines 577 599) the Hoare annotation is: true [2020-11-22 12:58:02,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:58:02 BoogieIcfgContainer [2020-11-22 12:58:02,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:58:02,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:58:02,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:58:02,043 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:58:02,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:57:44" (3/4) ... [2020-11-22 12:58:02,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:58:02,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:58:02,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:58:02,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:58:02,081 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:58:02,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:58:02,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:02,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:02,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) [2020-11-22 12:58:02,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:58:02,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:58:02,116 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:58:02,117 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2020-11-22 12:58:02,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2020-11-22 12:58:02,120 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2020-11-22 12:58:02,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:58:02,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-22 12:58:02,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:58:02,226 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aa35a0c6-2010-4ca8-85ac-607e420be2e2/bin/utaipan/witness.graphml [2020-11-22 12:58:02,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:58:02,228 INFO L168 Benchmark]: Toolchain (without parser) took 21436.34 ms. Allocated memory was 52.4 MB in the beginning and 182.5 MB in the end (delta: 130.0 MB). Free memory was 28.8 MB in the beginning and 136.3 MB in the end (delta: -107.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,228 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.7 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:02,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.39 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.7 MB in the beginning and 43.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.93 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 40.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,230 INFO L168 Benchmark]: Boogie Preprocessor took 56.54 ms. Allocated memory is still 71.3 MB. Free memory was 40.0 MB in the beginning and 37.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,230 INFO L168 Benchmark]: RCFGBuilder took 3179.09 ms. Allocated memory is still 71.3 MB. Free memory was 37.0 MB in the beginning and 43.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,231 INFO L168 Benchmark]: TraceAbstraction took 17192.87 ms. Allocated memory was 71.3 MB in the beginning and 182.5 MB in the end (delta: 111.1 MB). Free memory was 43.2 MB in the beginning and 148.0 MB in the end (delta: -104.7 MB). Peak memory consumption was 105.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,231 INFO L168 Benchmark]: Witness Printer took 185.86 ms. Allocated memory is still 182.5 MB. Free memory was 148.0 MB in the beginning and 136.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:02,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 52.4 MB. Free memory was 34.7 MB in the beginning and 34.7 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 714.39 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.7 MB in the beginning and 43.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.93 ms. Allocated memory is still 71.3 MB. Free memory was 43.9 MB in the beginning and 40.0 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.54 ms. Allocated memory is still 71.3 MB. Free memory was 40.0 MB in the beginning and 37.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3179.09 ms. Allocated memory is still 71.3 MB. Free memory was 37.0 MB in the beginning and 43.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17192.87 ms. Allocated memory was 71.3 MB in the beginning and 182.5 MB in the end (delta: 111.1 MB). Free memory was 43.2 MB in the beginning and 148.0 MB in the end (delta: -104.7 MB). Peak memory consumption was 105.4 MB. Max. memory is 16.1 GB. * Witness Printer took 185.86 ms. Allocated memory is still 182.5 MB. Free memory was 148.0 MB in the beginning and 136.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * 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: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: 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: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1255 SDtfs, 3491 SDslu, 3848 SDs, 0 SdLazy, 821 SolverSat, 151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1190 GetRequests, 1065 SyntacticMatches, 4 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2058 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 2245 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 117 NumberOfFragments, 580 HoareAnnotationTreeSize, 54 FomulaSimplifications, 220388 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 57583 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 145252 SizeOfPredicates, 32 NumberOfNonLiveVariables, 2946 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 268/326 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...