./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.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_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 ab53d3429947c30ff169bac7bc42ee99cd27cfaa ............................................................................................................................................ 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_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 ab53d3429947c30ff169bac7bc42ee99cd27cfaa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:28:15,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:15,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:15,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:15,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:15,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:15,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:15,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:15,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:15,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:15,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:15,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:15,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:15,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:15,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:15,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:15,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:15,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:15,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:15,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:15,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:15,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:15,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:15,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:15,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:15,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:15,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:15,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:15,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:15,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:15,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:15,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:15,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:15,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:15,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:15,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:15,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:15,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:15,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:15,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:15,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:15,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:28:15,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:15,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:15,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:15,373 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:15,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:15,373 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:15,373 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:15,373 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:15,374 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:15,374 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:15,374 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:15,374 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:15,374 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:15,375 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:15,375 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:15,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:15,376 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:15,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:15,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:15,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:15,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:15,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:15,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:15,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:15,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:15,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:15,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:15,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:15,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:15,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:15,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:15,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:15,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:15,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:15,379 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:15,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:15,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:15,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:15,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:15,380 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_4c679ae1-1690-40e2-8ef1-422e9348ac85/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab53d3429947c30ff169bac7bc42ee99cd27cfaa [2021-10-11 02:28:15,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:15,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:15,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:15,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:15,700 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:15,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-10-11 02:28:15,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/cf11bc1b9/4f847fd7d74e463081b6a7eb1d8a0c40/FLAGbdd4fb0b7 [2021-10-11 02:28:16,363 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:16,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-10-11 02:28:16,387 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/cf11bc1b9/4f847fd7d74e463081b6a7eb1d8a0c40/FLAGbdd4fb0b7 [2021-10-11 02:28:16,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/cf11bc1b9/4f847fd7d74e463081b6a7eb1d8a0c40 [2021-10-11 02:28:16,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:16,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:16,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:16,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:16,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:16,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3136e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:16, skipping insertion in model container [2021-10-11 02:28:16,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:16" (1/1) ... [2021-10-11 02:28:16,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:16,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:16,897 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_4c679ae1-1690-40e2-8ef1-422e9348ac85/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1281,1294] [2021-10-11 02:28:17,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:17,107 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 02:28:17,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@675332c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:17, skipping insertion in model container [2021-10-11 02:28:17,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:17,109 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:28:17,113 INFO L168 Benchmark]: Toolchain (without parser) took 457.19 ms. Allocated memory is still 121.6 MB. Free memory was 83.5 MB in the beginning and 93.4 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:17,114 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 121.6 MB. Free memory was 101.4 MB in the beginning and 101.3 MB in the end (delta: 73.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:17,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.32 ms. Allocated memory is still 121.6 MB. Free memory was 83.3 MB in the beginning and 93.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:17,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 121.6 MB. Free memory was 101.4 MB in the beginning and 101.3 MB in the end (delta: 73.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.32 ms. Allocated memory is still 121.6 MB. Free memory was 83.3 MB in the beginning and 93.4 MB in the end (delta: -10.2 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: 619]: 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 02:28:19,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:19,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:19,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:19,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:19,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:19,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:19,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:19,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:19,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:19,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:19,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:19,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:19,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:19,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:19,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:19,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:19,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:19,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:19,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:19,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:19,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:19,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:19,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:19,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:19,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:19,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:19,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:19,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:19,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:19,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:19,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:19,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:19,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:19,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:19,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:19,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:19,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:19,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:19,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:19,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:19,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:28:19,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:19,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:19,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:19,685 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:19,686 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:19,686 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:19,686 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:19,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:19,687 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:19,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:19,689 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:19,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:19,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:19,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:19,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:19,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:19,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:28:19,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:28:19,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:28:19,691 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:19,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:19,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:19,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:19,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:19,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:28:19,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:19,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:19,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:19,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:19,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:19,693 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:28:19,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:19,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:19,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:19,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:19,695 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_4c679ae1-1690-40e2-8ef1-422e9348ac85/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab53d3429947c30ff169bac7bc42ee99cd27cfaa [2021-10-11 02:28:20,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:20,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:20,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:20,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:20,111 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:20,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-10-11 02:28:20,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/55149ab2b/d0e75291e6514258b213b11fb0874503/FLAGfd0db3dc5 [2021-10-11 02:28:20,891 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:20,891 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-10-11 02:28:20,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/55149ab2b/d0e75291e6514258b213b11fb0874503/FLAGfd0db3dc5 [2021-10-11 02:28:21,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/data/55149ab2b/d0e75291e6514258b213b11fb0874503 [2021-10-11 02:28:21,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:21,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:21,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:21,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:21,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:21,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:21,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf773f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21, skipping insertion in model container [2021-10-11 02:28:21,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:21,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:21,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:21,456 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_4c679ae1-1690-40e2-8ef1-422e9348ac85/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1281,1294] [2021-10-11 02:28:21,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:21,732 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:28:21,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:21,762 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_4c679ae1-1690-40e2-8ef1-422e9348ac85/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1281,1294] [2021-10-11 02:28:21,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:21,833 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:21,849 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_4c679ae1-1690-40e2-8ef1-422e9348ac85/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1281,1294] [2021-10-11 02:28:21,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:21,986 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:21,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21 WrapperNode [2021-10-11 02:28:21,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:21,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:21,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:21,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:21,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:22,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:22,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:22,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:22,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... [2021-10-11 02:28:22,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:22,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:22,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:22,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:22,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:28:22,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:22,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:24,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:24,988 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-11 02:28:24,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:24 BoogieIcfgContainer [2021-10-11 02:28:24,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:24,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:24,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:24,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:24,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:21" (1/3) ... [2021-10-11 02:28:24,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b010f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:24, skipping insertion in model container [2021-10-11 02:28:24,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:21" (2/3) ... [2021-10-11 02:28:24,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b010f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:24, skipping insertion in model container [2021-10-11 02:28:24,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:24" (3/3) ... [2021-10-11 02:28:24,999 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2021-10-11 02:28:25,015 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:25,019 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:28:25,031 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:28:25,061 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:25,061 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:25,061 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:25,062 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:25,062 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:25,062 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:25,062 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:25,062 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-10-11 02:28:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:28:25,087 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:25,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:25,089 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:25,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:25,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2021-10-11 02:28:25,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:25,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37752184] [2021-10-11 02:28:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:25,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:28:25,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:25,396 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 02:28:25,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:25,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37752184] [2021-10-11 02:28:25,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:25,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:25,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458057713] [2021-10-11 02:28:25,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:28:25,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:25,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:28:25,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:28:25,421 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-10-11 02:28:25,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:25,453 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-11 02:28:25,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:28:25,455 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:28:25,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:25,466 INFO L225 Difference]: With dead ends: 228 [2021-10-11 02:28:25,466 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 02:28:25,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 02:28:25,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 02:28:25,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-11 02:28:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-10-11 02:28:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-11 02:28:25,516 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-10-11 02:28:25,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:25,516 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-11 02:28:25,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:28:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-11 02:28:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:28:25,518 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:25,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:25,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:28:25,728 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:25,729 INFO L82 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2021-10-11 02:28:25,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:25,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511023997] [2021-10-11 02:28:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:25,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:25,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,031 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 02:28:26,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:26,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511023997] [2021-10-11 02:28:26,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:26,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:26,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861082473] [2021-10-11 02:28:26,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:26,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:26,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:26,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:26,037 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-10-11 02:28:26,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,070 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 02:28:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:26,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:28:26,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,073 INFO L225 Difference]: With dead ends: 113 [2021-10-11 02:28:26,075 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:28:26,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 02:28:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:28:26,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:28:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:28:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 02:28:26,092 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-10-11 02:28:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,095 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 02:28:26,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 02:28:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:28:26,099 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:26,099 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] [2021-10-11 02:28:26,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,321 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:26,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:26,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2021-10-11 02:28:26,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:26,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121213681] [2021-10-11 02:28:26,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:26,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:26,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:26,560 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 02:28:26,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:26,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121213681] [2021-10-11 02:28:26,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:26,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:28:26,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782317224] [2021-10-11 02:28:26,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:26,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:26,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:26,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:26,574 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 02:28:26,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:26,583 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-11 02:28:26,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:26,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:28:26,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:26,584 INFO L225 Difference]: With dead ends: 88 [2021-10-11 02:28:26,584 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:28:26,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 02:28:26,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:28:26,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:28:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:28:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 02:28:26,592 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-10-11 02:28:26,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:26,592 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 02:28:26,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 02:28:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:28:26,593 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:26,593 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] [2021-10-11 02:28:26,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:28:26,809 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:26,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:26,810 INFO L82 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2021-10-11 02:28:26,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:26,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318781375] [2021-10-11 02:28:26,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:27,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:28:27,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:27,129 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 02:28:27,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:27,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318781375] [2021-10-11 02:28:27,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:27,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:27,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595257029] [2021-10-11 02:28:27,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:28:27,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:27,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:28:27,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:28:27,132 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 02:28:27,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:27,223 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-10-11 02:28:27,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:28:27,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:28:27,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:27,225 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:28:27,225 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:28:27,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:28:27,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:28:27,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-10-11 02:28:27,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-10-11 02:28:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-10-11 02:28:27,234 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-10-11 02:28:27,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:27,234 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-10-11 02:28:27,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:28:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-11 02:28:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:28:27,244 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:27,245 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] [2021-10-11 02:28:27,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:28:27,460 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:27,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:27,460 INFO L82 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2021-10-11 02:28:27,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:27,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480356960] [2021-10-11 02:28:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:27,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:27,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:27,730 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 02:28:27,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:27,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480356960] [2021-10-11 02:28:27,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:27,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:27,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434586945] [2021-10-11 02:28:27,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:27,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:27,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:27,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:27,733 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2021-10-11 02:28:27,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:27,834 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-10-11 02:28:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:28:27,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:28:27,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:27,837 INFO L225 Difference]: With dead ends: 175 [2021-10-11 02:28:27,837 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 02:28:27,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 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 02:28:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 02:28:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-10-11 02:28:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:28:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-10-11 02:28:27,849 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-10-11 02:28:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:27,849 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-10-11 02:28:27,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-10-11 02:28:27,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:28:27,850 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:27,851 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] [2021-10-11 02:28:28,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:28:28,066 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:28,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:28,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2021-10-11 02:28:28,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:28,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999328018] [2021-10-11 02:28:28,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:28,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:28,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:28,324 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 02:28:28,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:28,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999328018] [2021-10-11 02:28:28,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:28,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:28,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389405411] [2021-10-11 02:28:28,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:28,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:28,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:28,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:28,328 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2021-10-11 02:28:28,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:28,505 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2021-10-11 02:28:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:28:28,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:28:28,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:28,510 INFO L225 Difference]: With dead ends: 253 [2021-10-11 02:28:28,510 INFO L226 Difference]: Without dead ends: 187 [2021-10-11 02:28:28,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:28:28,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-11 02:28:28,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2021-10-11 02:28:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 02:28:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2021-10-11 02:28:28,536 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2021-10-11 02:28:28,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:28,536 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2021-10-11 02:28:28,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2021-10-11 02:28:28,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:28:28,541 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:28,541 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] [2021-10-11 02:28:28,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:28:28,764 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:28,764 INFO L82 PathProgramCache]: Analyzing trace with hash -150608481, now seen corresponding path program 1 times [2021-10-11 02:28:28,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:28,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881268853] [2021-10-11 02:28:28,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:28,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:28:28,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:29,002 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 02:28:29,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:29,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881268853] [2021-10-11 02:28:29,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:29,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:28:29,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215831961] [2021-10-11 02:28:29,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:29,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:29,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:29,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:29,005 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 4 states. [2021-10-11 02:28:30,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:30,332 INFO L93 Difference]: Finished difference Result 296 states and 410 transitions. [2021-10-11 02:28:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:30,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:28:30,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:30,335 INFO L225 Difference]: With dead ends: 296 [2021-10-11 02:28:30,338 INFO L226 Difference]: Without dead ends: 230 [2021-10-11 02:28:30,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:30,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-11 02:28:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-10-11 02:28:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2021-10-11 02:28:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 303 transitions. [2021-10-11 02:28:30,393 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 303 transitions. Word has length 31 [2021-10-11 02:28:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:30,394 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 303 transitions. [2021-10-11 02:28:30,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 303 transitions. [2021-10-11 02:28:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:28:30,400 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:30,401 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] [2021-10-11 02:28:30,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:28:30,625 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:30,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:30,625 INFO L82 PathProgramCache]: Analyzing trace with hash 107556957, now seen corresponding path program 1 times [2021-10-11 02:28:30,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:30,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160595694] [2021-10-11 02:28:30,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:30,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:28:30,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:30,871 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 02:28:30,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:30,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160595694] [2021-10-11 02:28:30,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:30,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:30,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967493244] [2021-10-11 02:28:30,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:30,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:30,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:30,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:30,873 INFO L87 Difference]: Start difference. First operand 223 states and 303 transitions. Second operand 4 states. [2021-10-11 02:28:30,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:30,978 INFO L93 Difference]: Finished difference Result 588 states and 811 transitions. [2021-10-11 02:28:30,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:30,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:28:30,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:30,982 INFO L225 Difference]: With dead ends: 588 [2021-10-11 02:28:30,982 INFO L226 Difference]: Without dead ends: 411 [2021-10-11 02:28:30,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 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 02:28:30,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-10-11 02:28:31,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 224. [2021-10-11 02:28:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2021-10-11 02:28:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 303 transitions. [2021-10-11 02:28:31,032 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 303 transitions. Word has length 31 [2021-10-11 02:28:31,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:31,033 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 303 transitions. [2021-10-11 02:28:31,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 303 transitions. [2021-10-11 02:28:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:28:31,036 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:31,036 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] [2021-10-11 02:28:31,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:28:31,256 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:31,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1346986200, now seen corresponding path program 1 times [2021-10-11 02:28:31,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:31,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108996187] [2021-10-11 02:28:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:31,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:28:31,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:31,491 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 02:28:31,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:31,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108996187] [2021-10-11 02:28:31,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:31,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:31,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350827201] [2021-10-11 02:28:31,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:28:31,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:31,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:28:31,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:28:31,495 INFO L87 Difference]: Start difference. First operand 224 states and 303 transitions. Second operand 6 states. [2021-10-11 02:28:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:33,376 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2021-10-11 02:28:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:28:33,377 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2021-10-11 02:28:33,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:33,379 INFO L225 Difference]: With dead ends: 455 [2021-10-11 02:28:33,379 INFO L226 Difference]: Without dead ends: 277 [2021-10-11 02:28:33,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:28:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-10-11 02:28:33,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 220. [2021-10-11 02:28:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-10-11 02:28:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 295 transitions. [2021-10-11 02:28:33,407 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 295 transitions. Word has length 31 [2021-10-11 02:28:33,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:33,407 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 295 transitions. [2021-10-11 02:28:33,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:28:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 295 transitions. [2021-10-11 02:28:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 02:28:33,410 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:33,411 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:33,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:28:33,627 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:33,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1478686347, now seen corresponding path program 1 times [2021-10-11 02:28:33,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:33,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090609725] [2021-10-11 02:28:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:33,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:28:33,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:28:33,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:33,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1090609725] [2021-10-11 02:28:33,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:33,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:28:33,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764801698] [2021-10-11 02:28:33,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:28:33,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:33,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:28:33,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:28:33,918 INFO L87 Difference]: Start difference. First operand 220 states and 295 transitions. Second operand 4 states. [2021-10-11 02:28:34,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:34,005 INFO L93 Difference]: Finished difference Result 477 states and 641 transitions. [2021-10-11 02:28:34,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:28:34,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2021-10-11 02:28:34,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:34,008 INFO L225 Difference]: With dead ends: 477 [2021-10-11 02:28:34,009 INFO L226 Difference]: Without dead ends: 263 [2021-10-11 02:28:34,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 02:28:34,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-10-11 02:28:34,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 197. [2021-10-11 02:28:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-10-11 02:28:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 258 transitions. [2021-10-11 02:28:34,036 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 258 transitions. Word has length 50 [2021-10-11 02:28:34,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:34,036 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 258 transitions. [2021-10-11 02:28:34,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:28:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 258 transitions. [2021-10-11 02:28:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:28:34,037 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:34,038 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] [2021-10-11 02:28:34,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:28:34,259 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:34,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:34,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1506097615, now seen corresponding path program 1 times [2021-10-11 02:28:34,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:34,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991713073] [2021-10-11 02:28:34,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:34,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:34,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:34,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:34,624 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:28:34,625 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:28:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:34,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991713073] [2021-10-11 02:28:34,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1948121949] [2021-10-11 02:28:34,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/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 02:28:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:34,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:34,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:28:35,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:35,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:28:35,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:28:35,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458566319] [2021-10-11 02:28:35,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:35,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:35,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:35,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:28:35,032 INFO L87 Difference]: Start difference. First operand 197 states and 258 transitions. Second operand 5 states. [2021-10-11 02:28:35,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:35,164 INFO L93 Difference]: Finished difference Result 677 states and 914 transitions. [2021-10-11 02:28:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:28:35,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 02:28:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:35,167 INFO L225 Difference]: With dead ends: 677 [2021-10-11 02:28:35,167 INFO L226 Difference]: Without dead ends: 509 [2021-10-11 02:28:35,168 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:28:35,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2021-10-11 02:28:35,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 203. [2021-10-11 02:28:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 02:28:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2021-10-11 02:28:35,195 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 51 [2021-10-11 02:28:35,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:35,195 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2021-10-11 02:28:35,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2021-10-11 02:28:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:28:35,196 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:35,196 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] [2021-10-11 02:28:35,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:28:35,604 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:35,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:35,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1899124625, now seen corresponding path program 1 times [2021-10-11 02:28:35,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:35,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774217539] [2021-10-11 02:28:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:35,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:35,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:35,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:36,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774217539] [2021-10-11 02:28:36,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [225704828] [2021-10-11 02:28:36,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:36,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:36,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:28:36,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:36,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:28:36,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:28:36,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761472722] [2021-10-11 02:28:36,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:36,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:36,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:36,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:28:36,358 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand 5 states. [2021-10-11 02:28:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:36,632 INFO L93 Difference]: Finished difference Result 548 states and 711 transitions. [2021-10-11 02:28:36,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:28:36,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 02:28:36,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:36,637 INFO L225 Difference]: With dead ends: 548 [2021-10-11 02:28:36,637 INFO L226 Difference]: Without dead ends: 546 [2021-10-11 02:28:36,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:28:36,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2021-10-11 02:28:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 203. [2021-10-11 02:28:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 02:28:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 262 transitions. [2021-10-11 02:28:36,676 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 262 transitions. Word has length 51 [2021-10-11 02:28:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:36,678 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 262 transitions. [2021-10-11 02:28:36,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 262 transitions. [2021-10-11 02:28:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 02:28:36,678 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:36,679 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] [2021-10-11 02:28:37,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:37,099 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:37,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1033530397, now seen corresponding path program 1 times [2021-10-11 02:28:37,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:37,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227594687] [2021-10-11 02:28:37,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:37,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:37,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:37,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:37,421 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:28:37,421 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:28:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:37,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227594687] [2021-10-11 02:28:37,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1290576902] [2021-10-11 02:28:37,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:37,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:28:37,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:37,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:37,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308660214] [2021-10-11 02:28:37,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:28:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:38,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:28:38,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:38,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:28:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:28:38,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:28:38,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-11 02:28:38,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683410562] [2021-10-11 02:28:38,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-10-11 02:28:38,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:38,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-11 02:28:38,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:28:38,183 INFO L87 Difference]: Start difference. First operand 203 states and 262 transitions. Second operand 12 states. [2021-10-11 02:28:43,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:43,988 INFO L93 Difference]: Finished difference Result 1778 states and 2363 transitions. [2021-10-11 02:28:43,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-11 02:28:43,988 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2021-10-11 02:28:43,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:43,999 INFO L225 Difference]: With dead ends: 1778 [2021-10-11 02:28:43,999 INFO L226 Difference]: Without dead ends: 1604 [2021-10-11 02:28:44,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2024 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-11 02:28:44,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2021-10-11 02:28:44,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 277. [2021-10-11 02:28:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2021-10-11 02:28:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 368 transitions. [2021-10-11 02:28:44,049 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 368 transitions. Word has length 52 [2021-10-11 02:28:44,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:44,049 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 368 transitions. [2021-10-11 02:28:44,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-10-11 02:28:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 368 transitions. [2021-10-11 02:28:44,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-11 02:28:44,050 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:44,051 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:44,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:44,667 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:44,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:44,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1906700874, now seen corresponding path program 1 times [2021-10-11 02:28:44,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:44,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409623158] [2021-10-11 02:28:44,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:44,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:44,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:44,953 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:28:44,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:44,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409623158] [2021-10-11 02:28:44,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:44,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:44,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584572806] [2021-10-11 02:28:44,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:44,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:44,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:44,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:44,968 INFO L87 Difference]: Start difference. First operand 277 states and 368 transitions. Second operand 5 states. [2021-10-11 02:28:45,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:45,038 INFO L93 Difference]: Finished difference Result 438 states and 575 transitions. [2021-10-11 02:28:45,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:45,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-10-11 02:28:45,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:45,039 INFO L225 Difference]: With dead ends: 438 [2021-10-11 02:28:45,039 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:45,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 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 02:28:45,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:45,041 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-11 02:28:45,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:45,041 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:45,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:45,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:45,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2021-10-11 02:28:45,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:45,640 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 118 [2021-10-11 02:28:45,869 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 118 [2021-10-11 02:28:46,031 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2021-10-11 02:28:46,411 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 120 [2021-10-11 02:28:47,535 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2021-10-11 02:28:47,672 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2021-10-11 02:28:47,779 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2021-10-11 02:28:48,821 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2021-10-11 02:28:49,658 WARN L197 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 36 [2021-10-11 02:28:49,979 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2021-10-11 02:28:50,201 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2021-10-11 02:28:50,467 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 22 [2021-10-11 02:28:51,108 WARN L197 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2021-10-11 02:28:51,386 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2021-10-11 02:28:51,401 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:28:51,401 INFO L262 CegarLoopResult]: For program point L333(lines 333 350) no Hoare annotation was computed. [2021-10-11 02:28:51,401 INFO L262 CegarLoopResult]: For program point L333-1(lines 333 350) no Hoare annotation was computed. [2021-10-11 02:28:51,401 INFO L262 CegarLoopResult]: For program point L333-2(lines 333 350) no Hoare annotation was computed. [2021-10-11 02:28:51,401 INFO L262 CegarLoopResult]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,401 INFO L262 CegarLoopResult]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,402 INFO L262 CegarLoopResult]: For program point L435-3(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,402 INFO L262 CegarLoopResult]: For program point L435-5(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,402 INFO L262 CegarLoopResult]: For program point L435-6(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,402 INFO L262 CegarLoopResult]: For program point L435-8(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,402 INFO L262 CegarLoopResult]: For program point L435-9(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,402 INFO L262 CegarLoopResult]: For program point L435-11(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,402 INFO L262 CegarLoopResult]: For program point L435-12(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,403 INFO L262 CegarLoopResult]: For program point L435-14(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,403 INFO L262 CegarLoopResult]: For program point L435-15(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,403 INFO L262 CegarLoopResult]: For program point L435-17(lines 435 439) no Hoare annotation was computed. [2021-10-11 02:28:51,403 INFO L262 CegarLoopResult]: For program point L337(lines 337 345) no Hoare annotation was computed. [2021-10-11 02:28:51,403 INFO L262 CegarLoopResult]: For program point L337-1(lines 337 345) no Hoare annotation was computed. [2021-10-11 02:28:51,403 INFO L262 CegarLoopResult]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2021-10-11 02:28:51,403 INFO L258 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2021-10-11 02:28:51,404 INFO L262 CegarLoopResult]: For program point L505(lines 505 516) no Hoare annotation was computed. [2021-10-11 02:28:51,404 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:28:51,404 INFO L262 CegarLoopResult]: For program point L307(lines 307 324) no Hoare annotation was computed. [2021-10-11 02:28:51,404 INFO L262 CegarLoopResult]: For program point L307-1(lines 307 324) no Hoare annotation was computed. [2021-10-11 02:28:51,404 INFO L262 CegarLoopResult]: For program point L307-2(lines 307 324) no Hoare annotation was computed. [2021-10-11 02:28:51,404 INFO L262 CegarLoopResult]: For program point L307-3(lines 307 324) no Hoare annotation was computed. [2021-10-11 02:28:51,404 INFO L262 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L307-4(lines 307 324) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L307-5(lines 307 324) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L142-3(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:28:51,405 INFO L262 CegarLoopResult]: For program point L142-5(lines 142 148) no Hoare annotation was computed. [2021-10-11 02:28:51,406 INFO L258 CegarLoopResult]: At program point L275(lines 274 293) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-11 02:28:51,406 INFO L262 CegarLoopResult]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2021-10-11 02:28:51,406 INFO L258 CegarLoopResult]: At program point L275-2(lines 274 293) the Hoare annotation is: false [2021-10-11 02:28:51,406 INFO L258 CegarLoopResult]: At program point L275-3(lines 274 293) the Hoare annotation is: false [2021-10-11 02:28:51,406 INFO L262 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-10-11 02:28:51,406 INFO L262 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2021-10-11 02:28:51,407 INFO L258 CegarLoopResult]: At program point L573-1(lines 1 955) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967294 32))) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2021-10-11 02:28:51,407 INFO L262 CegarLoopResult]: For program point L573-2(lines 573 586) no Hoare annotation was computed. [2021-10-11 02:28:51,407 INFO L258 CegarLoopResult]: At program point L573-3(lines 1 955) the Hoare annotation is: false [2021-10-11 02:28:51,407 INFO L258 CegarLoopResult]: At program point L441(lines 426 444) the Hoare annotation is: false [2021-10-11 02:28:51,407 INFO L262 CegarLoopResult]: For program point L573-4(lines 573 586) no Hoare annotation was computed. [2021-10-11 02:28:51,408 INFO L258 CegarLoopResult]: At program point L441-1(lines 426 444) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2021-10-11 02:28:51,408 INFO L258 CegarLoopResult]: At program point L573-5(lines 1 955) the Hoare annotation is: false [2021-10-11 02:28:51,408 INFO L258 CegarLoopResult]: At program point L441-2(lines 426 444) the Hoare annotation is: false [2021-10-11 02:28:51,408 INFO L258 CegarLoopResult]: At program point L441-3(lines 426 444) the Hoare annotation is: false [2021-10-11 02:28:51,408 INFO L258 CegarLoopResult]: At program point L441-4(lines 426 444) the Hoare annotation is: false [2021-10-11 02:28:51,408 INFO L258 CegarLoopResult]: At program point L441-5(lines 426 444) the Hoare annotation is: false [2021-10-11 02:28:51,408 INFO L262 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2021-10-11 02:28:51,408 INFO L262 CegarLoopResult]: For program point L178-1(lines 275 281) no Hoare annotation was computed. [2021-10-11 02:28:51,409 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:28:51,409 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:28:51,409 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:28:51,409 INFO L262 CegarLoopResult]: For program point L476(lines 475 520) no Hoare annotation was computed. [2021-10-11 02:28:51,409 INFO L262 CegarLoopResult]: For program point L311(lines 311 319) no Hoare annotation was computed. [2021-10-11 02:28:51,409 INFO L262 CegarLoopResult]: For program point L311-1(lines 311 319) no Hoare annotation was computed. [2021-10-11 02:28:51,409 INFO L262 CegarLoopResult]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2021-10-11 02:28:51,410 INFO L262 CegarLoopResult]: For program point L311-3(lines 311 319) no Hoare annotation was computed. [2021-10-11 02:28:51,410 INFO L262 CegarLoopResult]: For program point L311-4(lines 311 319) no Hoare annotation was computed. [2021-10-11 02:28:51,410 INFO L262 CegarLoopResult]: For program point L311-5(lines 311 319) no Hoare annotation was computed. [2021-10-11 02:28:51,410 INFO L262 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2021-10-11 02:28:51,410 INFO L258 CegarLoopResult]: At program point L147(lines 138 151) the Hoare annotation is: false [2021-10-11 02:28:51,410 INFO L258 CegarLoopResult]: At program point L147-1(lines 138 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2))) [2021-10-11 02:28:51,410 INFO L258 CegarLoopResult]: At program point L147-2(lines 138 151) the Hoare annotation is: false [2021-10-11 02:28:51,411 INFO L258 CegarLoopResult]: At program point L147-3(lines 138 151) the Hoare annotation is: false [2021-10-11 02:28:51,411 INFO L258 CegarLoopResult]: At program point L147-4(lines 138 151) the Hoare annotation is: false [2021-10-11 02:28:51,411 INFO L258 CegarLoopResult]: At program point L147-5(lines 138 151) the Hoare annotation is: false [2021-10-11 02:28:51,411 INFO L262 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2021-10-11 02:28:51,411 INFO L262 CegarLoopResult]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-10-11 02:28:51,411 INFO L262 CegarLoopResult]: For program point L577-2(lines 577 583) no Hoare annotation was computed. [2021-10-11 02:28:51,411 INFO L262 CegarLoopResult]: For program point L511-2(lines 275 281) no Hoare annotation was computed. [2021-10-11 02:28:51,411 INFO L262 CegarLoopResult]: For program point L577-4(lines 577 583) no Hoare annotation was computed. [2021-10-11 02:28:51,412 INFO L258 CegarLoopResult]: At program point L282(lines 282 288) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv4294967295 32)))))) [2021-10-11 02:28:51,412 INFO L258 CegarLoopResult]: At program point L282-1(lines 282 288) the Hoare annotation is: false [2021-10-11 02:28:51,412 INFO L258 CegarLoopResult]: At program point L282-2(lines 282 288) the Hoare annotation is: false [2021-10-11 02:28:51,412 INFO L262 CegarLoopResult]: For program point L250(lines 250 257) no Hoare annotation was computed. [2021-10-11 02:28:51,412 INFO L265 CegarLoopResult]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2021-10-11 02:28:51,412 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:51,412 INFO L262 CegarLoopResult]: For program point L485(lines 485 491) no Hoare annotation was computed. [2021-10-11 02:28:51,413 INFO L258 CegarLoopResult]: At program point L485-1(lines 485 491) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2021-10-11 02:28:51,413 INFO L258 CegarLoopResult]: At program point L386(lines 381 389) the Hoare annotation is: false [2021-10-11 02:28:51,413 INFO L258 CegarLoopResult]: At program point L386-1(lines 381 389) the Hoare annotation is: false [2021-10-11 02:28:51,413 INFO L258 CegarLoopResult]: At program point L386-2(lines 381 389) the Hoare annotation is: false [2021-10-11 02:28:51,413 INFO L262 CegarLoopResult]: For program point L89(lines 89 93) no Hoare annotation was computed. [2021-10-11 02:28:51,413 INFO L258 CegarLoopResult]: At program point L552(lines 1 955) 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 02:28:51,414 INFO L262 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:28:51,414 INFO L262 CegarLoopResult]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:28:51,414 INFO L262 CegarLoopResult]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:28:51,414 INFO L262 CegarLoopResult]: For program point L454-5(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:28:51,414 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:51,414 INFO L262 CegarLoopResult]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:28:51,414 INFO L258 CegarLoopResult]: At program point L223(lines 219 225) 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 02:28:51,414 INFO L262 CegarLoopResult]: For program point L454-8(lines 454 458) no Hoare annotation was computed. [2021-10-11 02:28:51,414 INFO L258 CegarLoopResult]: At program point L157(lines 152 160) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:28:51,414 INFO L258 CegarLoopResult]: At program point L157-1(lines 152 160) the Hoare annotation is: false [2021-10-11 02:28:51,414 INFO L258 CegarLoopResult]: At program point L157-2(lines 152 160) the Hoare annotation is: false [2021-10-11 02:28:51,414 INFO L258 CegarLoopResult]: At program point L521(lines 474 522) the Hoare annotation is: false [2021-10-11 02:28:51,414 INFO L265 CegarLoopResult]: At program point L259(lines 240 262) the Hoare annotation is: true [2021-10-11 02:28:51,415 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:51,415 INFO L258 CegarLoopResult]: At program point L460(lines 445 463) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:51,415 INFO L258 CegarLoopResult]: At program point L460-1(lines 445 463) the Hoare annotation is: false [2021-10-11 02:28:51,415 INFO L258 CegarLoopResult]: At program point L460-2(lines 445 463) the Hoare annotation is: false [2021-10-11 02:28:51,415 INFO L258 CegarLoopResult]: At program point L560(lines 555 563) 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 02:28:51,415 INFO L262 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2021-10-11 02:28:51,415 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:51,415 INFO L262 CegarLoopResult]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2021-10-11 02:28:51,415 INFO L262 CegarLoopResult]: For program point L65-6(lines 65 69) no Hoare annotation was computed. [2021-10-11 02:28:51,415 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:28:51,416 INFO L262 CegarLoopResult]: For program point L495(lines 495 501) no Hoare annotation was computed. [2021-10-11 02:28:51,416 INFO L258 CegarLoopResult]: At program point L495-1(lines 495 501) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2021-10-11 02:28:51,416 INFO L258 CegarLoopResult]: At program point L134(lines 129 137) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32)) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:28:51,416 INFO L258 CegarLoopResult]: At program point L134-1(lines 129 137) the Hoare annotation is: false [2021-10-11 02:28:51,416 INFO L258 CegarLoopResult]: At program point L134-2(lines 129 137) the Hoare annotation is: false [2021-10-11 02:28:51,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:51 BoogieIcfgContainer [2021-10-11 02:28:51,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:51,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:51,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:51,453 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:51,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:24" (3/4) ... [2021-10-11 02:28:51,457 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:51,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:28:51,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:28:51,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:28:51,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:51,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:51,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:51,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:51,508 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) [2021-10-11 02:28:51,508 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) [2021-10-11 02:28:51,509 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) [2021-10-11 02:28:51,509 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:51,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) [2021-10-11 02:28:51,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 2bv32 == \result) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:28:51,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:28:51,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:51,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:28:51,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp___0 == 0bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:28:51,561 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c679ae1-1690-40e2-8ef1-422e9348ac85/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:51,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:51,562 INFO L168 Benchmark]: Toolchain (without parser) took 30356.06 ms. Allocated memory was 73.4 MB in the beginning and 163.6 MB in the end (delta: 90.2 MB). Free memory was 38.3 MB in the beginning and 96.5 MB in the end (delta: -58.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:51,563 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 73.4 MB. Free memory was 55.7 MB in the beginning and 55.6 MB in the end (delta: 63.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:51,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.48 ms. Allocated memory is still 73.4 MB. Free memory was 58.9 MB in the beginning and 43.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:51,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.75 ms. Allocated memory is still 73.4 MB. Free memory was 42.8 MB in the beginning and 39.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:51,564 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 ms. Allocated memory is still 73.4 MB. Free memory was 39.4 MB in the beginning and 36.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:51,564 INFO L168 Benchmark]: RCFGBuilder took 2888.77 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 36.6 MB in the beginning and 46.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:51,565 INFO L168 Benchmark]: TraceAbstraction took 26460.39 ms. Allocated memory was 94.4 MB in the beginning and 163.6 MB in the end (delta: 69.2 MB). Free memory was 46.0 MB in the beginning and 105.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 67.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:51,565 INFO L168 Benchmark]: Witness Printer took 108.52 ms. Allocated memory is still 163.6 MB. Free memory was 105.9 MB in the beginning and 96.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:51,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 73.4 MB. Free memory was 55.7 MB in the beginning and 55.6 MB in the end (delta: 63.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 761.48 ms. Allocated memory is still 73.4 MB. Free memory was 58.9 MB in the beginning and 43.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.75 ms. Allocated memory is still 73.4 MB. Free memory was 42.8 MB in the beginning and 39.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.00 ms. Allocated memory is still 73.4 MB. Free memory was 39.4 MB in the beginning and 36.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2888.77 ms. Allocated memory was 73.4 MB in the beginning and 94.4 MB in the end (delta: 21.0 MB). Free memory was 36.6 MB in the beginning and 46.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26460.39 ms. Allocated memory was 94.4 MB in the beginning and 163.6 MB in the end (delta: 69.2 MB). Free memory was 46.0 MB in the beginning and 105.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 67.8 MB. Max. memory is 16.1 GB. * Witness Printer took 108.52 ms. Allocated memory is still 163.6 MB. Free memory was 105.9 MB in the beginning and 96.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 495]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && tmp___0 == 0bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 2bv32 == \result) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && tmp == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.1s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1595 SDtfs, 3383 SDslu, 3633 SDs, 0 SdLazy, 809 SolverSat, 157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1042 GetRequests, 908 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2058 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=13, 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, 14 MinimizatonAttempts, 2410 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 99 NumberOfFragments, 577 HoareAnnotationTreeSize, 42 FomulaSimplifications, 1271970 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 206897 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 147933 SizeOfPredicates, 41 NumberOfNonLiveVariables, 3990 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 153/231 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...