./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 4934f434020ea5812d4fa6d4f597788b669b23a9 ............................................................................................................................................ 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_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 4934f434020ea5812d4fa6d4f597788b669b23a9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:58:51,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:51,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:51,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:51,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:51,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:51,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:51,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:51,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:51,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:51,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:51,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:51,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:51,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:51,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:51,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:51,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:51,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:51,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:51,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:51,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:51,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:51,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:51,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:51,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:51,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:51,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:51,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:51,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:51,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:51,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:51,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:51,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:51,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:51,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:51,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:51,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:51,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:51,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:51,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:51,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:51,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:58:51,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:51,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:51,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:51,581 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:51,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:51,581 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:51,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:51,582 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:51,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:51,582 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:51,583 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:51,583 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:51,584 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:51,584 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:51,584 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:51,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:51,586 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:51,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:51,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:51,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:51,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:51,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:51,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:51,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:51,588 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:51,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:51,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:51,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:51,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:51,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:51,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:51,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:51,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:51,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:51,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:51,590 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:51,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:51,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:51,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:51,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:51,591 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_c06478d6-47ab-4424-882b-f31877711a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4934f434020ea5812d4fa6d4f597788b669b23a9 [2020-11-22 12:58:51,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:51,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:51,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:51,861 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:51,862 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:51,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-11-22 12:58:51,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/4ac897e96/7448f96a7b674710b7338497f7afb52a/FLAG2b418234b [2020-11-22 12:58:52,451 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:52,451 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-11-22 12:58:52,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/4ac897e96/7448f96a7b674710b7338497f7afb52a/FLAG2b418234b [2020-11-22 12:58:52,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/4ac897e96/7448f96a7b674710b7338497f7afb52a [2020-11-22 12:58:52,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:52,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:52,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:52,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:52,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:52,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:52" (1/1) ... [2020-11-22 12:58:52,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349c321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:52, skipping insertion in model container [2020-11-22 12:58:52,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:52" (1/1) ... [2020-11-22 12:58:52,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:52,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:53,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:53,162 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 12:58:53,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@638a5b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:53, skipping insertion in model container [2020-11-22 12:58:53,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:53,164 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:53,166 INFO L168 Benchmark]: Toolchain (without parser) took 388.69 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 72.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,166 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 75.5 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:53,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.57 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 72.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:53,169 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 75.5 MB. Free memory was 37.4 MB in the beginning and 37.4 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.57 ms. Allocated memory is still 96.5 MB. Free memory was 66.6 MB in the beginning and 72.1 MB in the end (delta: -5.6 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: 70]: 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 12:58:55,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:55,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:55,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:55,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:55,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:55,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:55,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:55,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:55,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:55,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:55,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:55,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:55,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:55,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:55,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:55,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:55,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:55,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:55,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:55,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:55,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:55,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:55,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:55,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:55,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:55,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:55,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:55,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:55,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:55,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:55,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:55,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:55,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:55,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:55,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:55,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:55,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:55,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:55,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:55,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:55,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:58:55,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:55,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:55,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:55,504 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:55,504 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:55,504 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:55,505 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:55,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:55,505 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:55,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:55,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:55,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:55,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:55,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:55,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:55,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:55,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:55,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:58:55,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:58:55,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:55,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:55,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:55,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:55,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:55,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:58:55,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:55,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:55,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:55,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:55,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:55,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:55,514 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:58:55,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:58:55,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:55,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:55,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:55,515 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_c06478d6-47ab-4424-882b-f31877711a02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4934f434020ea5812d4fa6d4f597788b669b23a9 [2020-11-22 12:58:55,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:55,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:55,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:55,907 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:55,909 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:55,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-11-22 12:58:55,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/4b43013b4/760d973cc50b427b9db3ffb2ce181816/FLAG682e9111e [2020-11-22 12:58:56,593 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:56,594 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-11-22 12:58:56,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/4b43013b4/760d973cc50b427b9db3ffb2ce181816/FLAG682e9111e [2020-11-22 12:58:56,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/data/4b43013b4/760d973cc50b427b9db3ffb2ce181816 [2020-11-22 12:58:56,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:56,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:56,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:56,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:56,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:56,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:56" (1/1) ... [2020-11-22 12:58:56,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3399c328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:56, skipping insertion in model container [2020-11-22 12:58:56,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:56" (1/1) ... [2020-11-22 12:58:56,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:56,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:57,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:57,273 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:58:57,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:57,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:57,372 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:58:57,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:57,494 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:58:57,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57 WrapperNode [2020-11-22 12:58:57,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:57,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:57,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:58:57,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:58:57,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:57,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:58:57,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:58:57,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:58:57,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... [2020-11-22 12:58:57,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:58:57,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:58:57,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:58:57,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:58:57,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:58:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:58:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:58:57,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:58:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:00,513 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:00,513 INFO L298 CfgBuilder]: Removed 358 assume(true) statements. [2020-11-22 12:59:00,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:00 BoogieIcfgContainer [2020-11-22 12:59:00,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:00,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:00,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:00,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:00,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:58:56" (1/3) ... [2020-11-22 12:59:00,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc55ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:00, skipping insertion in model container [2020-11-22 12:59:00,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:57" (2/3) ... [2020-11-22 12:59:00,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc55ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:00, skipping insertion in model container [2020-11-22 12:59:00,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:00" (3/3) ... [2020-11-22 12:59:00,529 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-11-22 12:59:00,543 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:00,548 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:00,559 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:00,598 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:00,598 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:00,599 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:00,599 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:00,599 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:00,599 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:00,599 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:00,599 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states. [2020-11-22 12:59:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:59:00,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:00,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:00,638 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:00,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:00,644 INFO L82 PathProgramCache]: Analyzing trace with hash -955319555, now seen corresponding path program 1 times [2020-11-22 12:59:00,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:00,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797943372] [2020-11-22 12:59:00,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:00,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:00,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:00,920 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 12:59:00,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:00,928 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 12:59:00,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797943372] [2020-11-22 12:59:00,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:00,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:00,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864268143] [2020-11-22 12:59:00,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:00,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:00,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:00,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:00,951 INFO L87 Difference]: Start difference. First operand 230 states. Second operand 2 states. [2020-11-22 12:59:01,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:01,030 INFO L93 Difference]: Finished difference Result 451 states and 674 transitions. [2020-11-22 12:59:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:01,033 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:59:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:01,050 INFO L225 Difference]: With dead ends: 451 [2020-11-22 12:59:01,050 INFO L226 Difference]: Without dead ends: 223 [2020-11-22 12:59:01,054 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 12:59:01,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-11-22 12:59:01,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-11-22 12:59:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-11-22 12:59:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2020-11-22 12:59:01,106 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2020-11-22 12:59:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:01,106 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2020-11-22 12:59:01,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-11-22 12:59:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:59:01,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:01,108 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 12:59:01,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:01,321 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:01,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:01,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2002076452, now seen corresponding path program 1 times [2020-11-22 12:59:01,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:01,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257205499] [2020-11-22 12:59:01,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:01,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:01,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:01,562 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 12:59:01,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:01,572 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 12:59:01,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257205499] [2020-11-22 12:59:01,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:01,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:01,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230520428] [2020-11-22 12:59:01,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:01,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:01,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:01,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:01,575 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 4 states. [2020-11-22 12:59:01,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:01,603 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-11-22 12:59:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:01,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:59:01,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:01,609 INFO L225 Difference]: With dead ends: 223 [2020-11-22 12:59:01,609 INFO L226 Difference]: Without dead ends: 85 [2020-11-22 12:59:01,610 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 12:59:01,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-11-22 12:59:01,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-11-22 12:59:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-22 12:59:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2020-11-22 12:59:01,618 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2020-11-22 12:59:01,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:01,618 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2020-11-22 12:59:01,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-11-22 12:59:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:59:01,625 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:01,625 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 12:59:01,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:01,842 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:01,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:01,843 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2020-11-22 12:59:01,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:01,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206008768] [2020-11-22 12:59:01,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:02,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:02,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:02,035 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 12:59:02,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:02,049 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 12:59:02,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206008768] [2020-11-22 12:59:02,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:02,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:59:02,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257575432] [2020-11-22 12:59:02,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:02,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:02,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:02,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:02,053 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 4 states. [2020-11-22 12:59:02,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:02,093 INFO L93 Difference]: Finished difference Result 266 states and 394 transitions. [2020-11-22 12:59:02,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:59:02,095 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:59:02,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:02,096 INFO L225 Difference]: With dead ends: 266 [2020-11-22 12:59:02,097 INFO L226 Difference]: Without dead ends: 187 [2020-11-22 12:59:02,097 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 12:59:02,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-11-22 12:59:02,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 104. [2020-11-22 12:59:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-11-22 12:59:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2020-11-22 12:59:02,126 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 22 [2020-11-22 12:59:02,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:02,127 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2020-11-22 12:59:02,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2020-11-22 12:59:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:59:02,129 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:02,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:02,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:02,341 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:02,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:02,342 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2020-11-22 12:59:02,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:02,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614760536] [2020-11-22 12:59:02,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:02,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:02,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:02,540 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 12:59:02,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:02,543 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 12:59:02,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614760536] [2020-11-22 12:59:02,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:02,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:59:02,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631525232] [2020-11-22 12:59:02,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:02,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:02,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:02,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:02,545 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand 3 states. [2020-11-22 12:59:02,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:02,624 INFO L93 Difference]: Finished difference Result 208 states and 308 transitions. [2020-11-22 12:59:02,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:02,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-22 12:59:02,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:02,626 INFO L225 Difference]: With dead ends: 208 [2020-11-22 12:59:02,626 INFO L226 Difference]: Without dead ends: 110 [2020-11-22 12:59:02,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 12:59:02,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-22 12:59:02,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2020-11-22 12:59:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-22 12:59:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2020-11-22 12:59:02,638 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 25 [2020-11-22 12:59:02,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:02,639 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2020-11-22 12:59:02,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2020-11-22 12:59:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 12:59:02,640 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:02,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:02,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:02,856 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:02,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:02,856 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2020-11-22 12:59:02,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:02,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724320617] [2020-11-22 12:59:02,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:03,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:03,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:03,120 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 12:59:03,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:03,163 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 12:59:03,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724320617] [2020-11-22 12:59:03,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:03,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-22 12:59:03,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849172592] [2020-11-22 12:59:03,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:59:03,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:03,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:59:03,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:03,165 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand 8 states. [2020-11-22 12:59:03,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:03,696 INFO L93 Difference]: Finished difference Result 823 states and 1190 transitions. [2020-11-22 12:59:03,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:59:03,701 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-22 12:59:03,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:03,713 INFO L225 Difference]: With dead ends: 823 [2020-11-22 12:59:03,714 INFO L226 Difference]: Without dead ends: 721 [2020-11-22 12:59:03,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-22 12:59:03,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-11-22 12:59:03,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 262. [2020-11-22 12:59:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-22 12:59:03,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2020-11-22 12:59:03,788 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 25 [2020-11-22 12:59:03,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:03,788 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 365 transitions. [2020-11-22 12:59:03,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:59:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions. [2020-11-22 12:59:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-22 12:59:03,791 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:03,791 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:04,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:59:04,008 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:04,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:04,008 INFO L82 PathProgramCache]: Analyzing trace with hash 74548374, now seen corresponding path program 1 times [2020-11-22 12:59:04,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:04,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1522005184] [2020-11-22 12:59:04,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:04,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:59:04,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:04,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:04,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1522005184] [2020-11-22 12:59:04,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [886129929] [2020-11-22 12:59:04,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:04,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:04,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:59:04,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-22 12:59:04,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:59:04,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 3] total 10 [2020-11-22 12:59:04,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601687053] [2020-11-22 12:59:04,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:04,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:04,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:04,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:59:04,586 INFO L87 Difference]: Start difference. First operand 262 states and 365 transitions. Second operand 5 states. [2020-11-22 12:59:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:04,913 INFO L93 Difference]: Finished difference Result 648 states and 914 transitions. [2020-11-22 12:59:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:59:04,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-11-22 12:59:04,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:04,918 INFO L225 Difference]: With dead ends: 648 [2020-11-22 12:59:04,918 INFO L226 Difference]: Without dead ends: 646 [2020-11-22 12:59:04,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-11-22 12:59:04,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-11-22 12:59:04,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 262. [2020-11-22 12:59:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-11-22 12:59:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 363 transitions. [2020-11-22 12:59:04,956 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 363 transitions. Word has length 40 [2020-11-22 12:59:04,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:04,956 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 363 transitions. [2020-11-22 12:59:04,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 363 transitions. [2020-11-22 12:59:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-22 12:59:04,959 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:04,959 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] [2020-11-22 12:59:05,372 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 12:59:05,372 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:05,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:05,373 INFO L82 PathProgramCache]: Analyzing trace with hash 376825461, now seen corresponding path program 1 times [2020-11-22 12:59:05,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:05,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762042005] [2020-11-22 12:59:05,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:05,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:59:05,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:05,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:05,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1762042005] [2020-11-22 12:59:05,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1215362952] [2020-11-22 12:59:05,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:59:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:05,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:05,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:05,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:05,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-22 12:59:05,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4, 3] total 8 [2020-11-22 12:59:05,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486372431] [2020-11-22 12:59:05,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:05,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:05,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:05,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:05,950 INFO L87 Difference]: Start difference. First operand 262 states and 363 transitions. Second operand 3 states. [2020-11-22 12:59:06,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:06,073 INFO L93 Difference]: Finished difference Result 524 states and 726 transitions. [2020-11-22 12:59:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:06,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-11-22 12:59:06,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:06,076 INFO L225 Difference]: With dead ends: 524 [2020-11-22 12:59:06,076 INFO L226 Difference]: Without dead ends: 204 [2020-11-22 12:59:06,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:06,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-11-22 12:59:06,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2020-11-22 12:59:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-11-22 12:59:06,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2020-11-22 12:59:06,108 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 52 [2020-11-22 12:59:06,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:06,109 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2020-11-22 12:59:06,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2020-11-22 12:59:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 12:59:06,113 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:06,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:06,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:59:06,530 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:06,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:06,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1832753966, now seen corresponding path program 1 times [2020-11-22 12:59:06,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:06,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756668005] [2020-11-22 12:59:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:06,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 12:59:06,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:06,790 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-22 12:59:06,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-22 12:59:06,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756668005] [2020-11-22 12:59:06,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:06,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 6 [2020-11-22 12:59:06,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990362036] [2020-11-22 12:59:06,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-22 12:59:06,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:06,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-22 12:59:06,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:59:06,846 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand 7 states. [2020-11-22 12:59:07,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:07,168 INFO L93 Difference]: Finished difference Result 607 states and 835 transitions. [2020-11-22 12:59:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:59:07,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-22 12:59:07,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:07,172 INFO L225 Difference]: With dead ends: 607 [2020-11-22 12:59:07,172 INFO L226 Difference]: Without dead ends: 453 [2020-11-22 12:59:07,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:07,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2020-11-22 12:59:07,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 365. [2020-11-22 12:59:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-11-22 12:59:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 489 transitions. [2020-11-22 12:59:07,229 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 489 transitions. Word has length 58 [2020-11-22 12:59:07,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:07,230 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 489 transitions. [2020-11-22 12:59:07,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-22 12:59:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 489 transitions. [2020-11-22 12:59:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-22 12:59:07,232 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:07,232 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, 1, 1, 1, 1, 1] [2020-11-22 12:59:07,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 12:59:07,451 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:07,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:07,451 INFO L82 PathProgramCache]: Analyzing trace with hash -2016001978, now seen corresponding path program 1 times [2020-11-22 12:59:07,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:07,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007596735] [2020-11-22 12:59:07,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:07,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:07,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:07,682 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 12:59:07,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:07,694 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 12:59:07,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007596735] [2020-11-22 12:59:07,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:07,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:59:07,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199060646] [2020-11-22 12:59:07,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:07,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:07,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:07,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:07,696 INFO L87 Difference]: Start difference. First operand 365 states and 489 transitions. Second operand 5 states. [2020-11-22 12:59:07,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:07,881 INFO L93 Difference]: Finished difference Result 948 states and 1253 transitions. [2020-11-22 12:59:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:59:07,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-11-22 12:59:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:07,885 INFO L225 Difference]: With dead ends: 948 [2020-11-22 12:59:07,885 INFO L226 Difference]: Without dead ends: 589 [2020-11-22 12:59:07,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 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 12:59:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-11-22 12:59:07,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 398. [2020-11-22 12:59:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-11-22 12:59:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 522 transitions. [2020-11-22 12:59:07,941 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 522 transitions. Word has length 59 [2020-11-22 12:59:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:07,943 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 522 transitions. [2020-11-22 12:59:07,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 522 transitions. [2020-11-22 12:59:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-22 12:59:07,944 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:07,945 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, 1, 1, 1, 1, 1] [2020-11-22 12:59:08,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 12:59:08,161 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:08,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:08,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1249606020, now seen corresponding path program 1 times [2020-11-22 12:59:08,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:08,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390028952] [2020-11-22 12:59:08,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:08,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 12:59:08,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:08,347 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 12:59:08,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:08,388 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 12:59:08,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390028952] [2020-11-22 12:59:08,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:08,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 12:59:08,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257707774] [2020-11-22 12:59:08,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:59:08,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:08,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:59:08,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:59:08,390 INFO L87 Difference]: Start difference. First operand 398 states and 522 transitions. Second operand 6 states. [2020-11-22 12:59:08,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:08,542 INFO L93 Difference]: Finished difference Result 851 states and 1109 transitions. [2020-11-22 12:59:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:08,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-11-22 12:59:08,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:08,546 INFO L225 Difference]: With dead ends: 851 [2020-11-22 12:59:08,546 INFO L226 Difference]: Without dead ends: 459 [2020-11-22 12:59:08,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 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 12:59:08,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-11-22 12:59:08,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 342. [2020-11-22 12:59:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-11-22 12:59:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 440 transitions. [2020-11-22 12:59:08,588 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 440 transitions. Word has length 59 [2020-11-22 12:59:08,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:08,588 INFO L481 AbstractCegarLoop]: Abstraction has 342 states and 440 transitions. [2020-11-22 12:59:08,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:59:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 440 transitions. [2020-11-22 12:59:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-22 12:59:08,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:08,595 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, 1, 1, 1, 1, 1] [2020-11-22 12:59:08,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-22 12:59:08,808 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:08,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:08,809 INFO L82 PathProgramCache]: Analyzing trace with hash 247192580, now seen corresponding path program 1 times [2020-11-22 12:59:08,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:08,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886315349] [2020-11-22 12:59:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/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 12:59:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:08,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:59:08,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:09,003 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 12:59:09,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:09,009 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-22 12:59:09,009 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-22 12:59:09,063 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 12:59:09,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886315349] [2020-11-22 12:59:09,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1402670632] [2020-11-22 12:59:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:59:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:09,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-22 12:59:09,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:09,326 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 12:59:09,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:09,366 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 12:59:09,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787983182] [2020-11-22 12:59:09,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-22 12:59:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:09,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:59:09,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:09,509 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 12:59:09,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:09,522 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 12:59:09,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-22 12:59:09,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2020-11-22 12:59:09,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67844572] [2020-11-22 12:59:09,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-22 12:59:09,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:09,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-22 12:59:09,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:59:09,524 INFO L87 Difference]: Start difference. First operand 342 states and 440 transitions. Second operand 12 states. [2020-11-22 12:59:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:12,212 INFO L93 Difference]: Finished difference Result 2915 states and 3734 transitions. [2020-11-22 12:59:12,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2020-11-22 12:59:12,212 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-11-22 12:59:12,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:12,227 INFO L225 Difference]: With dead ends: 2915 [2020-11-22 12:59:12,227 INFO L226 Difference]: Without dead ends: 2603 [2020-11-22 12:59:12,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1910 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1005, Invalid=4251, Unknown=0, NotChecked=0, Total=5256 [2020-11-22 12:59:12,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2020-11-22 12:59:12,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 544. [2020-11-22 12:59:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-11-22 12:59:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 700 transitions. [2020-11-22 12:59:12,313 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 700 transitions. Word has length 60 [2020-11-22 12:59:12,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:12,314 INFO L481 AbstractCegarLoop]: Abstraction has 544 states and 700 transitions. [2020-11-22 12:59:12,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-22 12:59:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 700 transitions. [2020-11-22 12:59:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-22 12:59:12,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:12,315 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, 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] [2020-11-22 12:59:12,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-22 12:59:12,944 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:12,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:12,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1982433759, now seen corresponding path program 1 times [2020-11-22 12:59:12,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:12,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793635847] [2020-11-22 12:59:12,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:13,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:13,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-22 12:59:13,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-22 12:59:13,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793635847] [2020-11-22 12:59:13,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:13,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 12:59:13,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26533818] [2020-11-22 12:59:13,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:59:13,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:13,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:59:13,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:59:13,173 INFO L87 Difference]: Start difference. First operand 544 states and 700 transitions. Second operand 8 states. [2020-11-22 12:59:13,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:13,251 INFO L93 Difference]: Finished difference Result 745 states and 947 transitions. [2020-11-22 12:59:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:13,252 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-11-22 12:59:13,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:13,252 INFO L225 Difference]: With dead ends: 745 [2020-11-22 12:59:13,253 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:59:13,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 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 12:59:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:59:13,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:59:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:59:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:59:13,255 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-11-22 12:59:13,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:13,255 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:59:13,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:59:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:59:13,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:59:13,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-11-22 12:59:13,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:59:13,684 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2020-11-22 12:59:14,038 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-11-22 12:59:14,214 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 130 [2020-11-22 12:59:14,325 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-11-22 12:59:14,480 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 121 [2020-11-22 12:59:14,716 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 123 [2020-11-22 12:59:14,959 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-11-22 12:59:15,156 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 15 [2020-11-22 12:59:15,340 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-11-22 12:59:15,502 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 18 [2020-11-22 12:59:15,985 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 24 [2020-11-22 12:59:16,709 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-11-22 12:59:17,561 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 37 [2020-11-22 12:59:18,098 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 31 [2020-11-22 12:59:18,632 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 28 [2020-11-22 12:59:18,866 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 26 [2020-11-22 12:59:19,055 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2020-11-22 12:59:19,599 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-11-22 12:59:20,099 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 28 [2020-11-22 12:59:20,215 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 15 [2020-11-22 12:59:20,738 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 30 [2020-11-22 12:59:20,927 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 18 [2020-11-22 12:59:20,932 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:20,932 INFO L274 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L277 CegarLoopResult]: At program point L498-1(lines 498 505) the Hoare annotation is: true [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L962(lines 961 1008) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L963(lines 963 967) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L765-3(lines 765 773) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L765-4(lines 765 773) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L765-5(lines 765 773) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L270 CegarLoopResult]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L270 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2020-11-22 12:59:20,933 INFO L270 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2020-11-22 12:59:20,933 INFO L277 CegarLoopResult]: At program point L507(lines 488 510) the Hoare annotation is: true [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L971(lines 971 977) no Hoare annotation was computed. [2020-11-22 12:59:20,933 INFO L270 CegarLoopResult]: At program point L971-1(lines 971 977) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 .cse1 .cse3) (and .cse0 .cse2 .cse4)))) [2020-11-22 12:59:20,933 INFO L274 CegarLoopResult]: For program point L906(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-5(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-8(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-9(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-11(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-12(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-14(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-15(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-17(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-18(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-20(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-21(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-23(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-24(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-26(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-27(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-29(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-30(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-32(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-33(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,934 INFO L274 CegarLoopResult]: For program point L906-35(lines 906 910) no Hoare annotation was computed. [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-1(lines 897 915) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-2(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-3(lines 897 915) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv4294967295 32)) (_ bv0 32))))) [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-4(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-5(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-6(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-7(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-8(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-9(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-10(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L912-11(lines 897 915) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L848(lines 841 851) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L848-1(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,935 INFO L270 CegarLoopResult]: At program point L848-2(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-3(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-4(lines 841 851) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-5(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-6(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-7(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-8(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-9(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-10(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-11(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-12(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-13(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L848-14(lines 841 851) the Hoare annotation is: false [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point L981(lines 981 987) no Hoare annotation was computed. [2020-11-22 12:59:20,936 INFO L270 CegarLoopResult]: At program point L981-1(lines 981 987) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 .cse1 .cse3) (and .cse0 .cse2 .cse4)))) [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point L587-6(lines 587 591) no Hoare annotation was computed. [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point L787(lines 787 804) no Hoare annotation was computed. [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point L787-1(lines 787 804) no Hoare annotation was computed. [2020-11-22 12:59:20,936 INFO L274 CegarLoopResult]: For program point L787-2(lines 787 804) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L270 CegarLoopResult]: At program point L656(lines 651 659) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse2 .cse3)))) [2020-11-22 12:59:20,937 INFO L270 CegarLoopResult]: At program point L656-1(lines 651 659) the Hoare annotation is: false [2020-11-22 12:59:20,937 INFO L270 CegarLoopResult]: At program point L656-2(lines 651 659) the Hoare annotation is: false [2020-11-22 12:59:20,937 INFO L270 CegarLoopResult]: At program point L857(lines 852 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv0 32))) [2020-11-22 12:59:20,937 INFO L270 CegarLoopResult]: At program point L857-1(lines 852 860) the Hoare annotation is: false [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L791(lines 791 799) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L270 CegarLoopResult]: At program point L857-2(lines 852 860) the Hoare annotation is: false [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L791-1(lines 791 799) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L791-2(lines 791 799) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L991(lines 991 1004) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,937 INFO L274 CegarLoopResult]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-1(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-3(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-4(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-5(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-6(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-7(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-8(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-9(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-10(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L664-11(lines 664 670) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L274 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L270 CegarLoopResult]: At program point L534(lines 1 1016) 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 12:59:20,938 INFO L274 CegarLoopResult]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2020-11-22 12:59:20,938 INFO L270 CegarLoopResult]: At program point L997-1(lines 703 709) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 .cse1 .cse3) (and .cse0 .cse2 .cse4)))) [2020-11-22 12:59:20,939 INFO L270 CegarLoopResult]: At program point L931(lines 916 934) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:20,939 INFO L270 CegarLoopResult]: At program point L931-1(lines 916 934) the Hoare annotation is: false [2020-11-22 12:59:20,939 INFO L270 CegarLoopResult]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2020-11-22 12:59:20,939 INFO L270 CegarLoopResult]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2020-11-22 12:59:20,939 INFO L270 CegarLoopResult]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2020-11-22 12:59:20,946 INFO L270 CegarLoopResult]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2020-11-22 12:59:20,946 INFO L274 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,946 INFO L274 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,947 INFO L270 CegarLoopResult]: At program point L669(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,947 INFO L274 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,947 INFO L270 CegarLoopResult]: At program point L669-1(lines 660 673) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:20,947 INFO L274 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,947 INFO L270 CegarLoopResult]: At program point L669-2(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,947 INFO L274 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,947 INFO L270 CegarLoopResult]: At program point L669-3(lines 660 673) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2020-11-22 12:59:20,948 INFO L274 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,948 INFO L270 CegarLoopResult]: At program point L669-4(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,948 INFO L274 CegarLoopResult]: For program point L735-6(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,948 INFO L270 CegarLoopResult]: At program point L669-5(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,948 INFO L274 CegarLoopResult]: For program point L735-7(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,949 INFO L270 CegarLoopResult]: At program point L471(lines 467 473) 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 12:59:20,949 INFO L270 CegarLoopResult]: At program point L669-6(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,949 INFO L274 CegarLoopResult]: For program point L735-8(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,949 INFO L270 CegarLoopResult]: At program point L669-7(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,949 INFO L274 CegarLoopResult]: For program point L735-9(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,949 INFO L270 CegarLoopResult]: At program point L669-8(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,949 INFO L274 CegarLoopResult]: For program point L735-10(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,949 INFO L270 CegarLoopResult]: At program point L669-9(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,949 INFO L274 CegarLoopResult]: For program point L735-11(lines 735 752) no Hoare annotation was computed. [2020-11-22 12:59:20,949 INFO L270 CegarLoopResult]: At program point L669-10(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,950 INFO L270 CegarLoopResult]: At program point L669-11(lines 660 673) the Hoare annotation is: false [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-6(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-7(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-8(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-9(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,950 INFO L274 CegarLoopResult]: For program point L739-10(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,951 INFO L274 CegarLoopResult]: For program point L739-11(lines 739 747) no Hoare annotation was computed. [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L542(lines 537 545) 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 12:59:20,951 INFO L274 CegarLoopResult]: For program point L939(lines 939 945) no Hoare annotation was computed. [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L939-1(lines 939 945) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 12:59:20,951 INFO L274 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L1009(lines 960 1010) the Hoare annotation is: false [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L679(lines 674 682) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L679-1(lines 674 682) the Hoare annotation is: false [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L679-2(lines 674 682) the Hoare annotation is: false [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L679-3(lines 674 682) the Hoare annotation is: false [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L679-4(lines 674 682) the Hoare annotation is: false [2020-11-22 12:59:20,951 INFO L270 CegarLoopResult]: At program point L679-5(lines 674 682) the Hoare annotation is: false [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L270 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L688-2(line 688) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L424-1(lines 703 709) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L270 CegarLoopResult]: At program point L624(lines 619 627) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:20,952 INFO L270 CegarLoopResult]: At program point L624-1(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,952 INFO L270 CegarLoopResult]: At program point L624-2(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-11-22 12:59:20,952 INFO L270 CegarLoopResult]: At program point L624-3(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,952 INFO L270 CegarLoopResult]: At program point L558-1(lines 1 1016) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 (_ bv0 32))) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse3)))) [2020-11-22 12:59:20,952 INFO L270 CegarLoopResult]: At program point L624-4(lines 619 627) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2020-11-22 12:59:20,952 INFO L274 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-5(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L558-3(lines 1 1016) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-6(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L274 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-7(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L558-5(lines 1 1016) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-8(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-9(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-10(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-11(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-12(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-13(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,953 INFO L270 CegarLoopResult]: At program point L624-14(lines 619 627) the Hoare annotation is: false [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-2(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-4(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-6(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-8(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-10(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-12(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-14(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-16(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-18(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-20(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L823-22(lines 823 829) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L761-3(lines 761 778) no Hoare annotation was computed. [2020-11-22 12:59:20,954 INFO L274 CegarLoopResult]: For program point L761-4(lines 761 778) no Hoare annotation was computed. [2020-11-22 12:59:20,955 INFO L274 CegarLoopResult]: For program point L761-5(lines 761 778) no Hoare annotation was computed. [2020-11-22 12:59:20,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:20 BoogieIcfgContainer [2020-11-22 12:59:21,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:21,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:21,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:21,010 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:21,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:00" (3/4) ... [2020-11-22 12:59:21,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:59:21,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:59:21,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:59:21,051 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:59:21,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:59:21,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:59:21,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:21,059 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:21,086 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:59:21,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:59:21,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:59:21,088 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:59:21,089 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:59:21,089 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:59:21,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-22 12:59:21,093 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2020-11-22 12:59:21,094 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2020-11-22 12:59:21,099 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 [2020-11-22 12:59:21,100 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2020-11-22 12:59:21,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) [2020-11-22 12:59:21,104 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32 [2020-11-22 12:59:21,104 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning [2020-11-22 12:59:21,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-22 12:59:21,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 [2020-11-22 12:59:21,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c06478d6-47ab-4424-882b-f31877711a02/bin/utaipan/witness.graphml [2020-11-22 12:59:21,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:21,226 INFO L168 Benchmark]: Toolchain (without parser) took 24339.07 ms. Allocated memory was 73.4 MB in the beginning and 262.1 MB in the end (delta: 188.7 MB). Free memory was 55.0 MB in the beginning and 166.0 MB in the end (delta: -111.0 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:21,226 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 73.4 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:21,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.20 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 45.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:21,227 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.89 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 40.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:21,227 INFO L168 Benchmark]: Boogie Preprocessor took 69.91 ms. Allocated memory is still 73.4 MB. Free memory was 40.2 MB in the beginning and 36.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:21,228 INFO L168 Benchmark]: RCFGBuilder took 2852.91 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 36.0 MB in the beginning and 50.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:21,228 INFO L168 Benchmark]: TraceAbstraction took 20489.22 ms. Allocated memory was 100.7 MB in the beginning and 262.1 MB in the end (delta: 161.5 MB). Free memory was 50.9 MB in the beginning and 184.9 MB in the end (delta: -134.0 MB). Peak memory consumption was 132.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:21,229 INFO L168 Benchmark]: Witness Printer took 214.92 ms. Allocated memory is still 262.1 MB. Free memory was 184.9 MB in the beginning and 166.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:21,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 73.4 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.20 ms. Allocated memory is still 73.4 MB. Free memory was 54.8 MB in the beginning and 45.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.89 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 40.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.91 ms. Allocated memory is still 73.4 MB. Free memory was 40.2 MB in the beginning and 36.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2852.91 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 36.0 MB in the beginning and 50.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20489.22 ms. Allocated memory was 100.7 MB in the beginning and 262.1 MB in the end (delta: 161.5 MB). Free memory was 50.9 MB in the beginning and 184.9 MB in the end (delta: -134.0 MB). Peak memory consumption was 132.4 MB. Max. memory is 16.1 GB. * Witness Printer took 214.92 ms. Allocated memory is still 262.1 MB. Free memory was 184.9 MB in the beginning and 166.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 16.8 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: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: 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: 981]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((!(0bv32 == \result) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 230 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2081 SDtfs, 5481 SDslu, 4920 SDs, 0 SdLazy, 857 SolverSat, 219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1516 GetRequests, 1382 SyntacticMatches, 2 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 1982 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 3383 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 199 NumberOfFragments, 838 HoareAnnotationTreeSize, 92 FomulaSimplifications, 299428 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 92 FomulaSimplificationsInter, 301638 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1428 ConstructedInterpolants, 3 QuantifiedInterpolants, 194275 SizeOfPredicates, 33 NumberOfNonLiveVariables, 3677 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 336/404 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...