./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI --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 c5548a4f9ab372783c382dbed65951e6f378a572 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI --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 c5548a4f9ab372783c382dbed65951e6f378a572 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:22:36,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:36,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:36,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:36,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:36,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:36,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:36,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:36,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:36,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:36,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:36,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:36,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:36,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:36,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:36,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:36,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:36,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:36,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:36,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:36,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:36,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:36,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:36,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:36,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:36,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:36,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:36,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:36,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:36,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:36,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:36,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:36,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:36,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:36,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:36,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:36,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:36,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:36,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:36,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:36,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:36,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:36,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:36,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:36,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:36,457 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:36,458 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:36,458 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:36,458 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:36,458 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:36,459 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:36,459 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:36,466 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:36,466 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:36,466 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:36,466 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:36,467 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:36,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:36,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:36,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:36,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:36,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:36,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:36,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:36,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:36,469 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:36,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:36,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:36,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:36,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:36,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:36,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:36,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:36,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:36,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:36,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:36,472 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:36,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:36,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:36,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:36,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:36,473 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_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5548a4f9ab372783c382dbed65951e6f378a572 [2021-10-11 02:22:36,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:36,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:36,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:36,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:36,763 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:36,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-10-11 02:22:36,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/6d37e4c17/6a24bd3714384e52a57adfe62fa8103d/FLAGb8fc9d09b [2021-10-11 02:22:37,308 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:37,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-10-11 02:22:37,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/6d37e4c17/6a24bd3714384e52a57adfe62fa8103d/FLAGb8fc9d09b [2021-10-11 02:22:37,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/6d37e4c17/6a24bd3714384e52a57adfe62fa8103d [2021-10-11 02:22:37,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:37,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:37,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:37,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:37,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:37,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:37" (1/1) ... [2021-10-11 02:22:37,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179a33b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:37, skipping insertion in model container [2021-10-11 02:22:37,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:37" (1/1) ... [2021-10-11 02:22:37,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:37,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:37,980 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18161,18174] [2021-10-11 02:22:37,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:37,995 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) [2021-10-11 02:22:37,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19b079ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:37, skipping insertion in model container [2021-10-11 02:22:37,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:37,997 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:22:37,999 INFO L168 Benchmark]: Toolchain (without parser) took 376.50 ms. Allocated memory is still 119.5 MB. Free memory was 82.1 MB in the beginning and 92.3 MB in the end (delta: -10.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:38,000 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 119.5 MB. Free memory is still 99.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:38,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.74 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 92.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:38,002 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 119.5 MB. Free memory is still 99.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.74 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 92.3 MB in the end (delta: -10.5 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: 504]: 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 0.2.0-7b2dab5 [2021-10-11 02:22:40,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:40,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:40,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:40,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:40,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:40,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:40,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:40,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:40,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:40,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:40,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:40,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:40,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:40,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:40,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:40,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:40,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:40,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:40,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:40,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:40,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:40,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:40,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:40,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:40,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:40,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:40,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:40,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:40,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:40,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:40,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:40,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:40,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:40,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:40,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:40,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:40,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:40,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:40,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:40,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:40,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:40,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:40,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:40,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:40,356 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:40,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:40,356 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:40,357 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:40,357 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:40,357 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:40,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:40,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:40,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:40,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:40,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:40,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:40,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:40,360 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:40,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:40,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:40,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:40,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:40,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:40,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:40,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:40,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:40,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:40,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:40,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:40,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:40,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:40,363 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:40,363 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:40,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:40,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:40,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:40,364 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_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5548a4f9ab372783c382dbed65951e6f378a572 [2021-10-11 02:22:40,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:40,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:40,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:40,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:40,731 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:40,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-10-11 02:22:40,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/43018644e/88642e7102e8473e8c21c3dcc97e46f5/FLAG3a3b7d4c8 [2021-10-11 02:22:41,445 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:41,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-10-11 02:22:41,473 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/43018644e/88642e7102e8473e8c21c3dcc97e46f5/FLAG3a3b7d4c8 [2021-10-11 02:22:41,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/data/43018644e/88642e7102e8473e8c21c3dcc97e46f5 [2021-10-11 02:22:41,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:41,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:41,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:41,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:41,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:41,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:41" (1/1) ... [2021-10-11 02:22:41,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caaba68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:41, skipping insertion in model container [2021-10-11 02:22:41,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:41" (1/1) ... [2021-10-11 02:22:41,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:41,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:42,165 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18161,18174] [2021-10-11 02:22:42,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:42,194 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:22:42,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:42,330 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18161,18174] [2021-10-11 02:22:42,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:42,349 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:42,433 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18161,18174] [2021-10-11 02:22:42,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:42,468 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:42,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42 WrapperNode [2021-10-11 02:22:42,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:42,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:42,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:42,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:42,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:42,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:42,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:42,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:42,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... [2021-10-11 02:22:42,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:42,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:42,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:42,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:42,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:45,439 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:45,440 INFO L299 CfgBuilder]: Removed 174 assume(true) statements. [2021-10-11 02:22:45,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:45 BoogieIcfgContainer [2021-10-11 02:22:45,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:45,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:45,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:45,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:45,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:41" (1/3) ... [2021-10-11 02:22:45,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6699bf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:45, skipping insertion in model container [2021-10-11 02:22:45,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:42" (2/3) ... [2021-10-11 02:22:45,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6699bf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:45, skipping insertion in model container [2021-10-11 02:22:45,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:45" (3/3) ... [2021-10-11 02:22:45,450 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2021-10-11 02:22:45,463 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:45,467 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:22:45,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:22:45,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:45,497 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:45,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:45,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:45,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:45,498 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:45,498 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:45,498 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:45,520 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2021-10-11 02:22:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:22:45,528 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:45,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:45,529 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:45,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:45,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1681835383, now seen corresponding path program 1 times [2021-10-11 02:22:45,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:45,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449681503] [2021-10-11 02:22:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:45,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:45,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:45,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:45,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449681503] [2021-10-11 02:22:45,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:45,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:45,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447387798] [2021-10-11 02:22:45,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:45,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:45,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:45,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:45,914 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2021-10-11 02:22:45,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:45,975 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2021-10-11 02:22:45,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:45,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:22:45,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:45,991 INFO L225 Difference]: With dead ends: 249 [2021-10-11 02:22:45,992 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 02:22:45,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:46,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 02:22:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-10-11 02:22:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-10-11 02:22:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2021-10-11 02:22:46,037 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2021-10-11 02:22:46,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:46,037 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2021-10-11 02:22:46,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2021-10-11 02:22:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:22:46,039 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:46,039 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] [2021-10-11 02:22:46,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:46,255 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:46,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:46,256 INFO L82 PathProgramCache]: Analyzing trace with hash 124184170, now seen corresponding path program 1 times [2021-10-11 02:22:46,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:46,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905794377] [2021-10-11 02:22:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:46,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:46,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:46,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:46,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905794377] [2021-10-11 02:22:46,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:46,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:46,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182062163] [2021-10-11 02:22:46,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:46,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:46,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:46,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:46,571 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2021-10-11 02:22:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:46,583 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2021-10-11 02:22:46,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:46,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:22:46,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:46,585 INFO L225 Difference]: With dead ends: 124 [2021-10-11 02:22:46,585 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:22:46,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:46,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:22:46,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:22:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:22:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-11 02:22:46,593 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2021-10-11 02:22:46,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:46,594 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-11 02:22:46,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-11 02:22:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:22:46,595 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:46,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:46,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:46,809 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:46,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2021-10-11 02:22:46,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:46,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885476267] [2021-10-11 02:22:46,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:47,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:47,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:47,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:47,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885476267] [2021-10-11 02:22:47,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:47,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:47,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054682024] [2021-10-11 02:22:47,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:47,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:47,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:47,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:47,122 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2021-10-11 02:22:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:47,143 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-11 02:22:47,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:47,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:22:47,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:47,145 INFO L225 Difference]: With dead ends: 145 [2021-10-11 02:22:47,145 INFO L226 Difference]: Without dead ends: 99 [2021-10-11 02:22:47,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:47,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-11 02:22:47,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2021-10-11 02:22:47,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2021-10-11 02:22:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2021-10-11 02:22:47,159 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 26 [2021-10-11 02:22:47,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:47,159 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2021-10-11 02:22:47,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2021-10-11 02:22:47,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:22:47,161 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:47,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:47,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:47,377 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:47,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:47,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2021-10-11 02:22:47,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:47,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214789274] [2021-10-11 02:22:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:47,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:47,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:47,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:47,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214789274] [2021-10-11 02:22:47,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:47,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:47,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226503347] [2021-10-11 02:22:47,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:47,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:47,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:47,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:47,696 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand 3 states. [2021-10-11 02:22:47,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:47,799 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2021-10-11 02:22:47,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:47,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-10-11 02:22:47,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:47,805 INFO L225 Difference]: With dead ends: 230 [2021-10-11 02:22:47,806 INFO L226 Difference]: Without dead ends: 142 [2021-10-11 02:22:47,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:47,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-11 02:22:47,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-10-11 02:22:47,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:22:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2021-10-11 02:22:47,838 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 28 [2021-10-11 02:22:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:47,840 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2021-10-11 02:22:47,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2021-10-11 02:22:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:22:47,845 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:47,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:48,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:22:48,062 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:48,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2021-10-11 02:22:48,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:48,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874790497] [2021-10-11 02:22:48,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:48,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:48,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:48,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:48,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874790497] [2021-10-11 02:22:48,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:48,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:48,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561840635] [2021-10-11 02:22:48,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:48,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:48,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:48,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:48,306 INFO L87 Difference]: Start difference. First operand 140 states and 202 transitions. Second operand 5 states. [2021-10-11 02:22:48,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:48,520 INFO L93 Difference]: Finished difference Result 487 states and 703 transitions. [2021-10-11 02:22:48,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:22:48,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:22:48,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:48,524 INFO L225 Difference]: With dead ends: 487 [2021-10-11 02:22:48,524 INFO L226 Difference]: Without dead ends: 354 [2021-10-11 02:22:48,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:22:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-10-11 02:22:48,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 138. [2021-10-11 02:22:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 02:22:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2021-10-11 02:22:48,542 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 29 [2021-10-11 02:22:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:48,543 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2021-10-11 02:22:48,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2021-10-11 02:22:48,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:22:48,544 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:48,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:48,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:22:48,760 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:48,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:48,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2021-10-11 02:22:48,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:48,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042983625] [2021-10-11 02:22:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:48,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:48,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:49,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:49,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042983625] [2021-10-11 02:22:49,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:49,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:49,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351888922] [2021-10-11 02:22:49,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:49,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:49,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:49,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:49,025 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand 5 states. [2021-10-11 02:22:49,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:49,113 INFO L93 Difference]: Finished difference Result 371 states and 521 transitions. [2021-10-11 02:22:49,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:22:49,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:22:49,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:49,115 INFO L225 Difference]: With dead ends: 371 [2021-10-11 02:22:49,116 INFO L226 Difference]: Without dead ends: 240 [2021-10-11 02:22:49,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:49,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-10-11 02:22:49,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 150. [2021-10-11 02:22:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2021-10-11 02:22:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2021-10-11 02:22:49,132 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 34 [2021-10-11 02:22:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:49,132 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2021-10-11 02:22:49,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2021-10-11 02:22:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:22:49,134 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:49,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:49,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:22:49,353 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:49,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2021-10-11 02:22:49,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:49,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493892784] [2021-10-11 02:22:49,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:49,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:22:49,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:49,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:49,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493892784] [2021-10-11 02:22:49,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:49,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:22:49,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925299271] [2021-10-11 02:22:49,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:22:49,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:49,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:22:49,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:22:49,609 INFO L87 Difference]: Start difference. First operand 150 states and 208 transitions. Second operand 4 states. [2021-10-11 02:22:49,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:49,672 INFO L93 Difference]: Finished difference Result 359 states and 494 transitions. [2021-10-11 02:22:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:22:49,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:22:49,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:49,674 INFO L225 Difference]: With dead ends: 359 [2021-10-11 02:22:49,674 INFO L226 Difference]: Without dead ends: 216 [2021-10-11 02:22:49,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:49,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-10-11 02:22:49,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 158. [2021-10-11 02:22:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2021-10-11 02:22:49,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 216 transitions. [2021-10-11 02:22:49,691 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 216 transitions. Word has length 34 [2021-10-11 02:22:49,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:49,692 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 216 transitions. [2021-10-11 02:22:49,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:22:49,692 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2021-10-11 02:22:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:22:49,695 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:49,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:49,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:22:49,907 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:49,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:49,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2021-10-11 02:22:49,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:49,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280737010] [2021-10-11 02:22:49,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:50,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:50,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:50,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:50,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280737010] [2021-10-11 02:22:50,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:50,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:50,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703280482] [2021-10-11 02:22:50,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:50,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:50,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:50,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:50,118 INFO L87 Difference]: Start difference. First operand 158 states and 216 transitions. Second operand 3 states. [2021-10-11 02:22:50,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:50,172 INFO L93 Difference]: Finished difference Result 367 states and 500 transitions. [2021-10-11 02:22:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:50,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:22:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:50,177 INFO L225 Difference]: With dead ends: 367 [2021-10-11 02:22:50,179 INFO L226 Difference]: Without dead ends: 216 [2021-10-11 02:22:50,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:50,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-10-11 02:22:50,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2021-10-11 02:22:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2021-10-11 02:22:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2021-10-11 02:22:50,206 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 34 [2021-10-11 02:22:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:50,206 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2021-10-11 02:22:50,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2021-10-11 02:22:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:22:50,213 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:50,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:50,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:22:50,428 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:50,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:50,429 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2021-10-11 02:22:50,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:50,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933895828] [2021-10-11 02:22:50,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:50,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:22:50,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:50,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:50,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933895828] [2021-10-11 02:22:50,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:50,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:50,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999280551] [2021-10-11 02:22:50,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:22:50,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:50,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:22:50,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:22:50,679 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand 6 states. [2021-10-11 02:22:52,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:52,434 INFO L93 Difference]: Finished difference Result 1071 states and 1464 transitions. [2021-10-11 02:22:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:22:52,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:22:52,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:52,441 INFO L225 Difference]: With dead ends: 1071 [2021-10-11 02:22:52,441 INFO L226 Difference]: Without dead ends: 920 [2021-10-11 02:22:52,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:22:52,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2021-10-11 02:22:52,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 384. [2021-10-11 02:22:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2021-10-11 02:22:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 511 transitions. [2021-10-11 02:22:52,494 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 511 transitions. Word has length 35 [2021-10-11 02:22:52,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:52,496 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 511 transitions. [2021-10-11 02:22:52,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:22:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 511 transitions. [2021-10-11 02:22:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:22:52,498 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:52,498 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] [2021-10-11 02:22:52,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:22:52,715 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:52,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:52,716 INFO L82 PathProgramCache]: Analyzing trace with hash 376283960, now seen corresponding path program 1 times [2021-10-11 02:22:52,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:52,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529759088] [2021-10-11 02:22:52,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:52,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:22:52,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:52,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:52,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529759088] [2021-10-11 02:22:52,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:52,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:22:52,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769429470] [2021-10-11 02:22:52,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:22:52,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:52,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:22:52,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:52,990 INFO L87 Difference]: Start difference. First operand 384 states and 511 transitions. Second operand 3 states. [2021-10-11 02:22:53,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:53,064 INFO L93 Difference]: Finished difference Result 642 states and 857 transitions. [2021-10-11 02:22:53,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:22:53,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-10-11 02:22:53,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:53,067 INFO L225 Difference]: With dead ends: 642 [2021-10-11 02:22:53,068 INFO L226 Difference]: Without dead ends: 448 [2021-10-11 02:22:53,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:22:53,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-10-11 02:22:53,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 259. [2021-10-11 02:22:53,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-10-11 02:22:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 342 transitions. [2021-10-11 02:22:53,108 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 342 transitions. Word has length 54 [2021-10-11 02:22:53,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:53,109 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 342 transitions. [2021-10-11 02:22:53,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:22:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 342 transitions. [2021-10-11 02:22:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:22:53,110 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:53,110 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:53,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:22:53,321 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:53,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:53,321 INFO L82 PathProgramCache]: Analyzing trace with hash 767046238, now seen corresponding path program 1 times [2021-10-11 02:22:53,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:53,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633697582] [2021-10-11 02:22:53,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:22:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:53,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:22:53,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:22:53,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:22:53,652 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:22:53,652 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:22:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:22:53,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633697582] [2021-10-11 02:22:53,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [424770244] [2021-10-11 02:22:53,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:53,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:22:53,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:54,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:22:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:54,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498450016] [2021-10-11 02:22:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:22:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:54,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:22:54,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:54,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:22:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:54,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:22:54,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-11 02:22:54,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752818093] [2021-10-11 02:22:54,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-10-11 02:22:54,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:54,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-11 02:22:54,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:22:54,494 INFO L87 Difference]: Start difference. First operand 259 states and 342 transitions. Second operand 14 states. [2021-10-11 02:23:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:04,178 INFO L93 Difference]: Finished difference Result 1874 states and 2565 transitions. [2021-10-11 02:23:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-11 02:23:04,178 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2021-10-11 02:23:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:04,188 INFO L225 Difference]: With dead ends: 1874 [2021-10-11 02:23:04,189 INFO L226 Difference]: Without dead ends: 1622 [2021-10-11 02:23:04,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3983 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1791, Invalid=8715, Unknown=0, NotChecked=0, Total=10506 [2021-10-11 02:23:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2021-10-11 02:23:04,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 333. [2021-10-11 02:23:04,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2021-10-11 02:23:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 432 transitions. [2021-10-11 02:23:04,262 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 432 transitions. Word has length 58 [2021-10-11 02:23:04,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:04,263 INFO L481 AbstractCegarLoop]: Abstraction has 333 states and 432 transitions. [2021-10-11 02:23:04,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-10-11 02:23:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 432 transitions. [2021-10-11 02:23:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-11 02:23:04,264 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:04,265 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1] [2021-10-11 02:23:04,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:23:04,889 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:04,889 INFO L82 PathProgramCache]: Analyzing trace with hash -501828257, now seen corresponding path program 1 times [2021-10-11 02:23:04,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:04,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609763519] [2021-10-11 02:23:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:05,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:05,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-11 02:23:05,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:05,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609763519] [2021-10-11 02:23:05,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:05,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:23:05,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035126474] [2021-10-11 02:23:05,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:05,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:05,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:05,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:05,201 INFO L87 Difference]: Start difference. First operand 333 states and 432 transitions. Second operand 5 states. [2021-10-11 02:23:05,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:05,308 INFO L93 Difference]: Finished difference Result 650 states and 835 transitions. [2021-10-11 02:23:05,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:23:05,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2021-10-11 02:23:05,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:05,310 INFO L225 Difference]: With dead ends: 650 [2021-10-11 02:23:05,310 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:05,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:23:05,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:05,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:05,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-10-11 02:23:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:05,312 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:05,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:05,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:05,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2021-10-11 02:23:05,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:05,949 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 108 [2021-10-11 02:23:06,098 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 83 [2021-10-11 02:23:06,274 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 113 [2021-10-11 02:23:06,585 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 107 [2021-10-11 02:23:06,834 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 85 [2021-10-11 02:23:07,061 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 107 [2021-10-11 02:23:07,176 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 75 [2021-10-11 02:23:08,058 WARN L197 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2021-10-11 02:23:08,505 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 24 [2021-10-11 02:23:08,613 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 12 [2021-10-11 02:23:09,205 WARN L197 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 25 [2021-10-11 02:23:09,376 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 26 [2021-10-11 02:23:09,581 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2021-10-11 02:23:10,113 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2021-10-11 02:23:10,253 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2021-10-11 02:23:10,716 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 27 [2021-10-11 02:23:10,949 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 23 [2021-10-11 02:23:11,344 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 26 [2021-10-11 02:23:11,769 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2021-10-11 02:23:12,070 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 16 [2021-10-11 02:23:12,085 INFO L262 CegarLoopResult]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2021-10-11 02:23:12,085 INFO L262 CegarLoopResult]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2021-10-11 02:23:12,085 INFO L262 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2021-10-11 02:23:12,085 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-11 02:23:12,085 INFO L258 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: false [2021-10-11 02:23:12,086 INFO L258 CegarLoopResult]: At program point L961(lines 956 963) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:12,086 INFO L265 CegarLoopResult]: At program point L369(lines 350 372) the Hoare annotation is: true [2021-10-11 02:23:12,086 INFO L258 CegarLoopResult]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:12,086 INFO L258 CegarLoopResult]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2021-10-11 02:23:12,086 INFO L258 CegarLoopResult]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2021-10-11 02:23:12,086 INFO L258 CegarLoopResult]: At program point L931(lines 922 935) the Hoare annotation is: false [2021-10-11 02:23:12,087 INFO L258 CegarLoopResult]: At program point L931-1(lines 922 935) 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))) [2021-10-11 02:23:12,087 INFO L258 CegarLoopResult]: At program point L931-2(lines 922 935) the Hoare annotation is: false [2021-10-11 02:23:12,087 INFO L258 CegarLoopResult]: At program point L931-3(lines 922 935) the Hoare annotation is: false [2021-10-11 02:23:12,087 INFO L258 CegarLoopResult]: At program point L931-4(lines 922 935) the Hoare annotation is: false [2021-10-11 02:23:12,087 INFO L258 CegarLoopResult]: At program point L931-5(lines 922 935) the Hoare annotation is: false [2021-10-11 02:23:12,087 INFO L262 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-10-11 02:23:12,087 INFO L258 CegarLoopResult]: At program point L404-1(lines 404 410) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:12,088 INFO L258 CegarLoopResult]: At program point L471(lines 466 474) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:12,088 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-11 02:23:12,088 INFO L258 CegarLoopResult]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse3))) [2021-10-11 02:23:12,088 INFO L258 CegarLoopResult]: At program point L176-1(lines 171 179) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:23:12,088 INFO L258 CegarLoopResult]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2021-10-11 02:23:12,088 INFO L258 CegarLoopResult]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2021-10-11 02:23:12,088 INFO L258 CegarLoopResult]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2021-10-11 02:23:12,089 INFO L258 CegarLoopResult]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2021-10-11 02:23:12,089 INFO L262 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-10-11 02:23:12,089 INFO L262 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2021-10-11 02:23:12,089 INFO L262 CegarLoopResult]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2021-10-11 02:23:12,089 INFO L262 CegarLoopResult]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2021-10-11 02:23:12,089 INFO L262 CegarLoopResult]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2021-10-11 02:23:12,089 INFO L262 CegarLoopResult]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2021-10-11 02:23:12,090 INFO L258 CegarLoopResult]: At program point L971(lines 65 71) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-11 02:23:12,090 INFO L258 CegarLoopResult]: At program point L971-1(lines 65 71) the Hoare annotation is: false [2021-10-11 02:23:12,090 INFO L258 CegarLoopResult]: At program point L971-2(lines 65 71) the Hoare annotation is: false [2021-10-11 02:23:12,090 INFO L262 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2021-10-11 02:23:12,090 INFO L258 CegarLoopResult]: At program point L941(lines 936 944) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0)) [2021-10-11 02:23:12,090 INFO L258 CegarLoopResult]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2021-10-11 02:23:12,090 INFO L258 CegarLoopResult]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2021-10-11 02:23:12,091 INFO L258 CegarLoopResult]: At program point L281-2(lines 281 295) the Hoare annotation is: false [2021-10-11 02:23:12,091 INFO L262 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2021-10-11 02:23:12,091 INFO L262 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2021-10-11 02:23:12,091 INFO L258 CegarLoopResult]: At program point L250(lines 235 253) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:12,091 INFO L258 CegarLoopResult]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2021-10-11 02:23:12,091 INFO L258 CegarLoopResult]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2021-10-11 02:23:12,091 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:23:12,091 INFO L262 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L262 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L262 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L262 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L262 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L262 CegarLoopResult]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L262 CegarLoopResult]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L262 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2021-10-11 02:23:12,092 INFO L258 CegarLoopResult]: At program point L420-1(lines 420 426) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:12,093 INFO L262 CegarLoopResult]: For program point L123(lines 123 140) no Hoare annotation was computed. [2021-10-11 02:23:12,093 INFO L262 CegarLoopResult]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2021-10-11 02:23:12,093 INFO L262 CegarLoopResult]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2021-10-11 02:23:12,093 INFO L262 CegarLoopResult]: For program point L982(lines 982 999) no Hoare annotation was computed. [2021-10-11 02:23:12,093 INFO L258 CegarLoopResult]: At program point L982-1(lines 1 1002) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse4) (and .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2021-10-11 02:23:12,093 INFO L262 CegarLoopResult]: For program point L982-2(lines 982 999) no Hoare annotation was computed. [2021-10-11 02:23:12,094 INFO L258 CegarLoopResult]: At program point L982-3(lines 1 1002) the Hoare annotation is: false [2021-10-11 02:23:12,094 INFO L262 CegarLoopResult]: For program point L982-4(lines 982 999) no Hoare annotation was computed. [2021-10-11 02:23:12,094 INFO L258 CegarLoopResult]: At program point L982-5(lines 1 1002) the Hoare annotation is: false [2021-10-11 02:23:12,094 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:23:12,094 INFO L262 CegarLoopResult]: For program point L950(line 950) no Hoare annotation was computed. [2021-10-11 02:23:12,094 INFO L262 CegarLoopResult]: For program point L950-1(line 950) no Hoare annotation was computed. [2021-10-11 02:23:12,094 INFO L262 CegarLoopResult]: For program point L950-2(line 950) no Hoare annotation was computed. [2021-10-11 02:23:12,094 INFO L258 CegarLoopResult]: At program point L918(lines 913 921) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:23:12,095 INFO L258 CegarLoopResult]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2021-10-11 02:23:12,095 INFO L258 CegarLoopResult]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2021-10-11 02:23:12,095 INFO L262 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2021-10-11 02:23:12,095 INFO L258 CegarLoopResult]: At program point L258-1(lines 258 264) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,096 INFO L262 CegarLoopResult]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point L127(lines 127 135) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2021-10-11 02:23:12,097 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:23:12,098 INFO L262 CegarLoopResult]: For program point L986(lines 986 996) no Hoare annotation was computed. [2021-10-11 02:23:12,098 INFO L262 CegarLoopResult]: For program point L986-2(lines 986 996) no Hoare annotation was computed. [2021-10-11 02:23:12,098 INFO L262 CegarLoopResult]: For program point L986-4(lines 986 996) no Hoare annotation was computed. [2021-10-11 02:23:12,098 INFO L262 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2021-10-11 02:23:12,098 INFO L262 CegarLoopResult]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2021-10-11 02:23:12,099 INFO L262 CegarLoopResult]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2021-10-11 02:23:12,099 INFO L262 CegarLoopResult]: For program point L360(lines 360 367) no Hoare annotation was computed. [2021-10-11 02:23:12,099 INFO L265 CegarLoopResult]: At program point L360-1(lines 360 367) the Hoare annotation is: true [2021-10-11 02:23:12,100 INFO L262 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2021-10-11 02:23:12,100 INFO L258 CegarLoopResult]: At program point L394-1(lines 394 400) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:23:12,100 INFO L262 CegarLoopResult]: For program point L97(lines 97 114) no Hoare annotation was computed. [2021-10-11 02:23:12,100 INFO L262 CegarLoopResult]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2021-10-11 02:23:12,100 INFO L262 CegarLoopResult]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2021-10-11 02:23:12,100 INFO L262 CegarLoopResult]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2021-10-11 02:23:12,100 INFO L262 CegarLoopResult]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2021-10-11 02:23:12,100 INFO L262 CegarLoopResult]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2021-10-11 02:23:12,101 INFO L258 CegarLoopResult]: At program point L65(lines 61 83) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0)) (and .cse0 .cse2 .cse1))) [2021-10-11 02:23:12,101 INFO L258 CegarLoopResult]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2021-10-11 02:23:12,101 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:23:12,101 INFO L258 CegarLoopResult]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2021-10-11 02:23:12,101 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-11 02:23:12,101 INFO L258 CegarLoopResult]: At program point L231(lines 216 234) the Hoare annotation is: false [2021-10-11 02:23:12,102 INFO L258 CegarLoopResult]: At program point L231-1(lines 216 234) 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 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))))) [2021-10-11 02:23:12,102 INFO L258 CegarLoopResult]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2021-10-11 02:23:12,102 INFO L258 CegarLoopResult]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2021-10-11 02:23:12,102 INFO L258 CegarLoopResult]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2021-10-11 02:23:12,102 INFO L258 CegarLoopResult]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2021-10-11 02:23:12,103 INFO L258 CegarLoopResult]: At program point L463(lines 1 1002) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:12,103 INFO L258 CegarLoopResult]: At program point L331(lines 327 333) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L926-2(lines 926 932) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L926-3(lines 926 932) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L926-4(lines 926 932) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L926-5(lines 926 932) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2021-10-11 02:23:12,104 INFO L262 CegarLoopResult]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2021-10-11 02:23:12,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:12 BoogieIcfgContainer [2021-10-11 02:23:12,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:12,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:12,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:12,129 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:12,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:45" (3/4) ... [2021-10-11 02:23:12,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:12,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:23:12,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:23:12,156 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:23:12,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:23:12,158 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:23:12,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:12,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:12,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:23:12,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:23:12,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:23:12,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:23:12,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:23:12,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS [2021-10-11 02:23:12,191 WARN L220 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) [2021-10-11 02:23:12,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning [2021-10-11 02:23:12,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:23:12,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) [2021-10-11 02:23:12,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a80d6c49-f44d-419f-aa04-e451998f3070/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:12,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:12,256 INFO L168 Benchmark]: Toolchain (without parser) took 30539.06 ms. Allocated memory was 86.0 MB in the beginning and 174.1 MB in the end (delta: 88.1 MB). Free memory was 50.6 MB in the beginning and 87.8 MB in the end (delta: -37.3 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:12,256 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 68.1 MB in the beginning and 68.1 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:12,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.70 ms. Allocated memory is still 86.0 MB. Free memory was 50.4 MB in the beginning and 46.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:12,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.87 ms. Allocated memory is still 86.0 MB. Free memory was 46.0 MB in the beginning and 42.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:12,257 INFO L168 Benchmark]: Boogie Preprocessor took 46.69 ms. Allocated memory is still 86.0 MB. Free memory was 42.3 MB in the beginning and 39.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:12,258 INFO L168 Benchmark]: RCFGBuilder took 2833.94 ms. Allocated memory is still 86.0 MB. Free memory was 39.2 MB in the beginning and 36.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:12,258 INFO L168 Benchmark]: TraceAbstraction took 26684.44 ms. Allocated memory was 86.0 MB in the beginning and 174.1 MB in the end (delta: 88.1 MB). Free memory was 35.8 MB in the beginning and 98.3 MB in the end (delta: -62.5 MB). Peak memory consumption was 78.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:12,259 INFO L168 Benchmark]: Witness Printer took 125.89 ms. Allocated memory is still 174.1 MB. Free memory was 98.3 MB in the beginning and 87.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:12,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 68.1 MB in the beginning and 68.1 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 748.70 ms. Allocated memory is still 86.0 MB. Free memory was 50.4 MB in the beginning and 46.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.87 ms. Allocated memory is still 86.0 MB. Free memory was 46.0 MB in the beginning and 42.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.69 ms. Allocated memory is still 86.0 MB. Free memory was 42.3 MB in the beginning and 39.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2833.94 ms. Allocated memory is still 86.0 MB. Free memory was 39.2 MB in the beginning and 36.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26684.44 ms. Allocated memory was 86.0 MB in the beginning and 174.1 MB in the end (delta: 88.1 MB). Free memory was 35.8 MB in the beginning and 98.3 MB in the end (delta: -62.5 MB). Peak memory consumption was 78.2 MB. Max. memory is 16.1 GB. * Witness Printer took 125.89 ms. Allocated memory is still 174.1 MB. Free memory was 98.3 MB in the beginning and 87.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp___0 == 0bv32) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: 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: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.0s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1458 SDtfs, 2940 SDslu, 3640 SDs, 0 SdLazy, 971 SolverSat, 215 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 924 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3996 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2384 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 200 NumberOfFragments, 674 HoareAnnotationTreeSize, 51 FomulaSimplifications, 307608 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 51 FomulaSimplificationsInter, 59459 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 747 ConstructedInterpolants, 0 QuantifiedInterpolants, 91195 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3153 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 196/220 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...