./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.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_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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_cbd16108-2c03-493c-b456-4cec160fe036/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 f34e156823368e08bfaeac3b7f4488efc17d7ca6 ............................................................................................................................................ 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_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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_cbd16108-2c03-493c-b456-4cec160fe036/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 f34e156823368e08bfaeac3b7f4488efc17d7ca6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:29:55,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:55,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:55,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:55,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:55,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:55,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:55,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:55,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:55,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:55,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:55,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:55,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:55,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:55,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:55,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:55,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:55,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:55,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:55,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:55,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:55,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:55,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:55,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:55,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:55,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:55,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:55,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:55,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:55,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:55,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:55,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:55,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:55,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:55,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:55,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:55,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:55,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:55,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:55,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:55,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:55,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:55,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:55,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:55,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:55,601 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:55,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:55,601 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:55,602 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:55,602 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:55,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:55,602 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:55,603 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:55,603 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:55,604 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:55,604 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:55,604 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:55,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:55,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:55,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:55,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:55,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:55,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:55,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:55,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:55,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:55,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:55,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:55,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:55,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:55,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:55,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:55,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:55,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:55,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:55,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:55,610 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:55,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:55,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:55,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:55,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:55,611 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_cbd16108-2c03-493c-b456-4cec160fe036/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f34e156823368e08bfaeac3b7f4488efc17d7ca6 [2021-10-11 02:29:55,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:55,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:55,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:55,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:55,959 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:55,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-11 02:29:56,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/a627d0754/d2bfe7ed7a284f279647532320909f0d/FLAGa028b0bf1 [2021-10-11 02:29:56,561 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:56,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-11 02:29:56,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/a627d0754/d2bfe7ed7a284f279647532320909f0d/FLAGa028b0bf1 [2021-10-11 02:29:56,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/a627d0754/d2bfe7ed7a284f279647532320909f0d [2021-10-11 02:29:56,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:56,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:56,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:56,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:56,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:56,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:56" (1/1) ... [2021-10-11 02:29:56,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67784288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:56, skipping insertion in model container [2021-10-11 02:29:56,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:56" (1/1) ... [2021-10-11 02:29:56,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:56,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:57,267 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_cbd16108-2c03-493c-b456-4cec160fe036/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11394,11407] [2021-10-11 02:29:57,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:57,332 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 02:29:57,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c1de947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57, skipping insertion in model container [2021-10-11 02:29:57,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:57,333 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:57,335 INFO L168 Benchmark]: Toolchain (without parser) took 432.00 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 59.6 MB in the beginning and 90.3 MB in the end (delta: -30.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:57,336 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:57,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.26 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 59.4 MB in the beginning and 91.0 MB in the end (delta: -31.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:57,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.26 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 59.4 MB in the beginning and 91.0 MB in the end (delta: -31.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:59,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:59,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:59,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:59,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:59,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:59,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:59,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:59,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:59,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:59,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:59,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:59,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:59,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:59,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:59,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:59,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:59,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:59,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:59,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:59,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:59,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:59,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:59,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:59,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:59,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:59,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:59,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:59,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:59,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:59,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:59,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:59,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:59,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:59,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:59,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:59,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:59,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:59,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:59,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:59,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:59,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:59,801 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:59,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:59,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:59,803 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:59,803 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:59,803 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:59,803 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:59,804 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:59,804 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:59,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:59,807 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:59,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:59,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:59,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:59,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:59,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:59,808 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:59,808 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:59,808 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:59,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:59,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:59,809 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:59,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:59,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:59,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:59,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:59,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:59,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:59,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:59,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:59,811 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:59,811 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:59,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:59,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:59,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:59,812 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_cbd16108-2c03-493c-b456-4cec160fe036/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f34e156823368e08bfaeac3b7f4488efc17d7ca6 [2021-10-11 02:30:00,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:00,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:00,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:00,294 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:00,295 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:00,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-11 02:30:00,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/43501560a/ab8db92eb0054e82965c03b8615da237/FLAG9d2fd57c9 [2021-10-11 02:30:01,065 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:01,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-11 02:30:01,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/43501560a/ab8db92eb0054e82965c03b8615da237/FLAG9d2fd57c9 [2021-10-11 02:30:01,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/data/43501560a/ab8db92eb0054e82965c03b8615da237 [2021-10-11 02:30:01,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:01,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:01,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:01,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:01,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:01,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:01" (1/1) ... [2021-10-11 02:30:01,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7529a0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:01, skipping insertion in model container [2021-10-11 02:30:01,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:01" (1/1) ... [2021-10-11 02:30:01,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:01,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:01,728 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_cbd16108-2c03-493c-b456-4cec160fe036/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11394,11407] [2021-10-11 02:30:01,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:01,791 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:30:01,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:01,867 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_cbd16108-2c03-493c-b456-4cec160fe036/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11394,11407] [2021-10-11 02:30:01,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:01,899 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:30:01,938 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_cbd16108-2c03-493c-b456-4cec160fe036/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11394,11407] [2021-10-11 02:30:01,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:30:02,017 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:30:02,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02 WrapperNode [2021-10-11 02:30:02,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:02,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:02,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:30:02,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:30:02,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:30:02,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:30:02,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:30:02,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:30:02,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... [2021-10-11 02:30:02,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:30:02,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:30:02,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:30:02,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:30:02,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:30:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:30:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:30:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:04,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:04,825 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-11 02:30:04,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:04 BoogieIcfgContainer [2021-10-11 02:30:04,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:04,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:04,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:04,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:04,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:30:01" (1/3) ... [2021-10-11 02:30:04,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e2cf39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:04, skipping insertion in model container [2021-10-11 02:30:04,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:02" (2/3) ... [2021-10-11 02:30:04,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e2cf39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:04, skipping insertion in model container [2021-10-11 02:30:04,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:04" (3/3) ... [2021-10-11 02:30:04,835 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2021-10-11 02:30:04,848 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:04,851 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:04,862 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:04,886 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:04,886 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:04,886 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:04,887 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:04,887 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:04,887 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:04,887 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:04,887 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-10-11 02:30:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:30:04,908 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:04,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:04,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:04,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2021-10-11 02:30:04,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:04,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009381797] [2021-10-11 02:30:04,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:05,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:05,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:05,233 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 02:30:05,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:05,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009381797] [2021-10-11 02:30:05,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:05,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:05,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176072901] [2021-10-11 02:30:05,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:05,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:05,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:05,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:05,265 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2021-10-11 02:30:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:05,338 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-11 02:30:05,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:05,340 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:30:05,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:05,355 INFO L225 Difference]: With dead ends: 264 [2021-10-11 02:30:05,355 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:30:05,360 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 02:30:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:30:05,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-11 02:30:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 02:30:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-11 02:30:05,401 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-11 02:30:05,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:05,402 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-11 02:30:05,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-11 02:30:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:30:05,403 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:05,403 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 02:30:05,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,621 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2021-10-11 02:30:05,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037167063] [2021-10-11 02:30:05,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:05,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:05,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:05,851 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 02:30:05,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:05,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037167063] [2021-10-11 02:30:05,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:05,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:05,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020845387] [2021-10-11 02:30:05,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:05,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:05,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:05,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:05,861 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2021-10-11 02:30:05,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:05,889 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-11 02:30:05,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:05,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:30:05,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:05,890 INFO L225 Difference]: With dead ends: 131 [2021-10-11 02:30:05,891 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:30:05,892 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 02:30:05,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:30:05,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:30:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:30:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-11 02:30:05,898 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-11 02:30:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:05,898 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-11 02:30:05,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-11 02:30:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:30:05,899 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:05,899 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 02:30:06,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,114 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:06,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:06,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2021-10-11 02:30:06,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:06,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65421030] [2021-10-11 02:30:06,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:06,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:06,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:06,370 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 02:30:06,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:06,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65421030] [2021-10-11 02:30:06,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:06,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:06,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737258109] [2021-10-11 02:30:06,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:06,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:06,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:06,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:06,384 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2021-10-11 02:30:06,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:06,423 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-11 02:30:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:06,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:30:06,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:06,424 INFO L225 Difference]: With dead ends: 100 [2021-10-11 02:30:06,425 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:30:06,425 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 02:30:06,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:30:06,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:30:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:30:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-11 02:30:06,432 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-11 02:30:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:06,433 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-11 02:30:06,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-11 02:30:06,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:06,434 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:06,434 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 02:30:06,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:06,647 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:06,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:06,647 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2021-10-11 02:30:06,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:06,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831872229] [2021-10-11 02:30:06,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:06,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:06,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:06,866 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 02:30:06,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:06,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831872229] [2021-10-11 02:30:06,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:06,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:06,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528044984] [2021-10-11 02:30:06,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:06,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:06,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:06,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:06,871 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2021-10-11 02:30:06,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:06,939 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-11 02:30:06,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:06,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:06,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:06,943 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:30:06,944 INFO L226 Difference]: Without dead ends: 74 [2021-10-11 02:30:06,944 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 02:30:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-11 02:30:06,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-11 02:30:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:30:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-11 02:30:06,967 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-11 02:30:06,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:06,969 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-11 02:30:06,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-11 02:30:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:30:06,970 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:06,971 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 02:30:07,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,187 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:07,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:07,187 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2021-10-11 02:30:07,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:07,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670286596] [2021-10-11 02:30:07,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:07,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:07,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:07,424 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 02:30:07,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:07,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670286596] [2021-10-11 02:30:07,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:07,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:07,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408772342] [2021-10-11 02:30:07,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:07,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:07,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:07,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:07,427 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2021-10-11 02:30:07,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:07,559 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2021-10-11 02:30:07,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:07,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:30:07,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:07,562 INFO L225 Difference]: With dead ends: 253 [2021-10-11 02:30:07,563 INFO L226 Difference]: Without dead ends: 187 [2021-10-11 02:30:07,565 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 02:30:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-11 02:30:07,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2021-10-11 02:30:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 02:30:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2021-10-11 02:30:07,594 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2021-10-11 02:30:07,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:07,595 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2021-10-11 02:30:07,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2021-10-11 02:30:07,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:07,596 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:07,597 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 02:30:07,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:07,813 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:07,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:07,813 INFO L82 PathProgramCache]: Analyzing trace with hash 2088460330, now seen corresponding path program 1 times [2021-10-11 02:30:07,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:07,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186454783] [2021-10-11 02:30:07,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:07,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:30:08,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:08,033 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 02:30:08,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:08,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186454783] [2021-10-11 02:30:08,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:08,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:08,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761092935] [2021-10-11 02:30:08,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:08,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:08,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:08,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:08,036 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 4 states. [2021-10-11 02:30:09,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:09,450 INFO L93 Difference]: Finished difference Result 296 states and 418 transitions. [2021-10-11 02:30:09,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:09,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:30:09,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:09,453 INFO L225 Difference]: With dead ends: 296 [2021-10-11 02:30:09,453 INFO L226 Difference]: Without dead ends: 230 [2021-10-11 02:30:09,454 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 02:30:09,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-11 02:30:09,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-10-11 02:30:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2021-10-11 02:30:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 309 transitions. [2021-10-11 02:30:09,475 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 309 transitions. Word has length 31 [2021-10-11 02:30:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:09,475 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 309 transitions. [2021-10-11 02:30:09,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 309 transitions. [2021-10-11 02:30:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:09,476 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:09,477 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 02:30:09,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:09,689 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:09,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:09,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1948341528, now seen corresponding path program 1 times [2021-10-11 02:30:09,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:09,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601550809] [2021-10-11 02:30:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:09,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:09,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:09,892 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 02:30:09,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:09,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601550809] [2021-10-11 02:30:09,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:09,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:09,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076213820] [2021-10-11 02:30:09,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:09,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:09,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:09,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:09,894 INFO L87 Difference]: Start difference. First operand 223 states and 309 transitions. Second operand 4 states. [2021-10-11 02:30:09,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:09,985 INFO L93 Difference]: Finished difference Result 701 states and 984 transitions. [2021-10-11 02:30:09,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:09,985 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:30:09,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:09,989 INFO L225 Difference]: With dead ends: 701 [2021-10-11 02:30:09,989 INFO L226 Difference]: Without dead ends: 524 [2021-10-11 02:30:09,990 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 02:30:09,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-10-11 02:30:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 227. [2021-10-11 02:30:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2021-10-11 02:30:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 312 transitions. [2021-10-11 02:30:10,015 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 312 transitions. Word has length 31 [2021-10-11 02:30:10,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:10,016 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 312 transitions. [2021-10-11 02:30:10,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 312 transitions. [2021-10-11 02:30:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:30:10,017 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:10,017 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 02:30:10,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,236 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:10,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:10,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1953598758, now seen corresponding path program 1 times [2021-10-11 02:30:10,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:10,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030411937] [2021-10-11 02:30:10,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:10,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:10,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:10,453 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 02:30:10,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:10,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030411937] [2021-10-11 02:30:10,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:10,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:10,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710544820] [2021-10-11 02:30:10,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:10,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:10,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:10,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:10,455 INFO L87 Difference]: Start difference. First operand 227 states and 312 transitions. Second operand 5 states. [2021-10-11 02:30:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:10,576 INFO L93 Difference]: Finished difference Result 728 states and 1015 transitions. [2021-10-11 02:30:10,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:10,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:30:10,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:10,579 INFO L225 Difference]: With dead ends: 728 [2021-10-11 02:30:10,580 INFO L226 Difference]: Without dead ends: 507 [2021-10-11 02:30:10,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 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 02:30:10,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-11 02:30:10,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 242. [2021-10-11 02:30:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2021-10-11 02:30:10,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 326 transitions. [2021-10-11 02:30:10,612 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 326 transitions. Word has length 31 [2021-10-11 02:30:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:10,612 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 326 transitions. [2021-10-11 02:30:10,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 326 transitions. [2021-10-11 02:30:10,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:10,613 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:10,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:10,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:30:10,819 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:10,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:10,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2005513094, now seen corresponding path program 1 times [2021-10-11 02:30:10,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:10,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640468875] [2021-10-11 02:30:10,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:10,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:10,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:11,052 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 02:30:11,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:11,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640468875] [2021-10-11 02:30:11,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:11,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:11,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345464523] [2021-10-11 02:30:11,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:11,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:11,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:11,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:11,055 INFO L87 Difference]: Start difference. First operand 242 states and 326 transitions. Second operand 6 states. [2021-10-11 02:30:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:11,332 INFO L93 Difference]: Finished difference Result 1288 states and 1735 transitions. [2021-10-11 02:30:11,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:11,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2021-10-11 02:30:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:11,339 INFO L225 Difference]: With dead ends: 1288 [2021-10-11 02:30:11,339 INFO L226 Difference]: Without dead ends: 1052 [2021-10-11 02:30:11,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:30:11,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2021-10-11 02:30:11,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 466. [2021-10-11 02:30:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2021-10-11 02:30:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 618 transitions. [2021-10-11 02:30:11,410 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 618 transitions. Word has length 34 [2021-10-11 02:30:11,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:11,411 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 618 transitions. [2021-10-11 02:30:11,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:11,411 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 618 transitions. [2021-10-11 02:30:11,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:30:11,412 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:11,412 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:11,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:30:11,625 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:11,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:11,625 INFO L82 PathProgramCache]: Analyzing trace with hash -514446840, now seen corresponding path program 1 times [2021-10-11 02:30:11,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:11,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834516729] [2021-10-11 02:30:11,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:11,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:30:11,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:11,893 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 02:30:11,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:11,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834516729] [2021-10-11 02:30:11,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:11,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:11,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25032015] [2021-10-11 02:30:11,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:30:11,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:11,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:30:11,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:30:11,896 INFO L87 Difference]: Start difference. First operand 466 states and 618 transitions. Second operand 6 states. [2021-10-11 02:30:13,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:13,636 INFO L93 Difference]: Finished difference Result 960 states and 1269 transitions. [2021-10-11 02:30:13,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:30:13,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2021-10-11 02:30:13,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:13,640 INFO L225 Difference]: With dead ends: 960 [2021-10-11 02:30:13,640 INFO L226 Difference]: Without dead ends: 586 [2021-10-11 02:30:13,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 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 02:30:13,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2021-10-11 02:30:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 460. [2021-10-11 02:30:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2021-10-11 02:30:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 606 transitions. [2021-10-11 02:30:13,729 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 606 transitions. Word has length 34 [2021-10-11 02:30:13,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:13,730 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 606 transitions. [2021-10-11 02:30:13,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 606 transitions. [2021-10-11 02:30:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:30:13,731 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:13,731 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:13,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:30:13,946 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:13,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:13,946 INFO L82 PathProgramCache]: Analyzing trace with hash 121178437, now seen corresponding path program 1 times [2021-10-11 02:30:13,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:13,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523468139] [2021-10-11 02:30:13,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:14,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:14,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:14,171 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 02:30:14,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:14,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523468139] [2021-10-11 02:30:14,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:14,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:14,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592610156] [2021-10-11 02:30:14,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:14,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:14,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:14,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:14,173 INFO L87 Difference]: Start difference. First operand 460 states and 606 transitions. Second operand 5 states. [2021-10-11 02:30:14,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:14,323 INFO L93 Difference]: Finished difference Result 1047 states and 1382 transitions. [2021-10-11 02:30:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:14,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-10-11 02:30:14,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:14,327 INFO L225 Difference]: With dead ends: 1047 [2021-10-11 02:30:14,328 INFO L226 Difference]: Without dead ends: 593 [2021-10-11 02:30:14,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 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 02:30:14,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-11 02:30:14,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 460. [2021-10-11 02:30:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2021-10-11 02:30:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 596 transitions. [2021-10-11 02:30:14,390 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 596 transitions. Word has length 53 [2021-10-11 02:30:14,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:14,390 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 596 transitions. [2021-10-11 02:30:14,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 596 transitions. [2021-10-11 02:30:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:30:14,392 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:14,392 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:14,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:30:14,608 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:14,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:14,608 INFO L82 PathProgramCache]: Analyzing trace with hash 48791879, now seen corresponding path program 1 times [2021-10-11 02:30:14,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:14,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634079444] [2021-10-11 02:30:14,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:14,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:30:14,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:14,841 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 02:30:14,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:14,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634079444] [2021-10-11 02:30:14,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:14,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:14,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945183674] [2021-10-11 02:30:14,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:30:14,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:14,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:30:14,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:30:14,843 INFO L87 Difference]: Start difference. First operand 460 states and 596 transitions. Second operand 4 states. [2021-10-11 02:30:14,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:14,951 INFO L93 Difference]: Finished difference Result 973 states and 1271 transitions. [2021-10-11 02:30:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:30:14,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-10-11 02:30:14,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:14,955 INFO L225 Difference]: With dead ends: 973 [2021-10-11 02:30:14,955 INFO L226 Difference]: Without dead ends: 519 [2021-10-11 02:30:14,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 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 02:30:14,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2021-10-11 02:30:15,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 396. [2021-10-11 02:30:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2021-10-11 02:30:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 508 transitions. [2021-10-11 02:30:15,018 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 508 transitions. Word has length 53 [2021-10-11 02:30:15,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:15,019 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 508 transitions. [2021-10-11 02:30:15,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:30:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 508 transitions. [2021-10-11 02:30:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:30:15,020 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:15,021 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:15,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:30:15,240 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:15,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:15,240 INFO L82 PathProgramCache]: Analyzing trace with hash -516506869, now seen corresponding path program 1 times [2021-10-11 02:30:15,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:15,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789108424] [2021-10-11 02:30:15,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:15,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:15,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:15,514 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 02:30:15,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:15,546 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:30:15,546 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:30:15,612 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 02:30:15,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789108424] [2021-10-11 02:30:15,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1937164054] [2021-10-11 02:30:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:15,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:15,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:15,914 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 02:30:15,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:15,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:30:15,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:30:15,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933333532] [2021-10-11 02:30:15,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:15,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:15,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:15,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:30:15,916 INFO L87 Difference]: Start difference. First operand 396 states and 508 transitions. Second operand 5 states. [2021-10-11 02:30:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:16,127 INFO L93 Difference]: Finished difference Result 1368 states and 1806 transitions. [2021-10-11 02:30:16,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:30:16,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:30:16,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:16,134 INFO L225 Difference]: With dead ends: 1368 [2021-10-11 02:30:16,134 INFO L226 Difference]: Without dead ends: 1024 [2021-10-11 02:30:16,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 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 02:30:16,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-10-11 02:30:16,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 408. [2021-10-11 02:30:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2021-10-11 02:30:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 520 transitions. [2021-10-11 02:30:16,213 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 520 transitions. Word has length 54 [2021-10-11 02:30:16,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:16,214 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 520 transitions. [2021-10-11 02:30:16,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 520 transitions. [2021-10-11 02:30:16,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:30:16,215 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:16,216 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:16,629 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 02:30:16,630 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:16,630 INFO L82 PathProgramCache]: Analyzing trace with hash -909533879, now seen corresponding path program 1 times [2021-10-11 02:30:16,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:16,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185397997] [2021-10-11 02:30:16,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:16,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:16,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:16,883 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 02:30:16,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:16,980 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 02:30:16,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185397997] [2021-10-11 02:30:16,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [251334367] [2021-10-11 02:30:16,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/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 02:30:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:17,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:17,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:17,279 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 02:30:17,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:17,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:30:17,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:30:17,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220882184] [2021-10-11 02:30:17,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:17,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:17,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:17,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:30:17,283 INFO L87 Difference]: Start difference. First operand 408 states and 520 transitions. Second operand 5 states. [2021-10-11 02:30:17,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:17,644 INFO L93 Difference]: Finished difference Result 1134 states and 1430 transitions. [2021-10-11 02:30:17,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:30:17,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:30:17,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:17,651 INFO L225 Difference]: With dead ends: 1134 [2021-10-11 02:30:17,651 INFO L226 Difference]: Without dead ends: 1132 [2021-10-11 02:30:17,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:30:17,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2021-10-11 02:30:17,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 408. [2021-10-11 02:30:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2021-10-11 02:30:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 516 transitions. [2021-10-11 02:30:17,744 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 516 transitions. Word has length 54 [2021-10-11 02:30:17,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:17,744 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 516 transitions. [2021-10-11 02:30:17,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:17,745 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 516 transitions. [2021-10-11 02:30:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:30:17,745 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:17,746 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:18,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,17 cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:18,158 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:18,159 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2021-10-11 02:30:18,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:18,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274259147] [2021-10-11 02:30:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:18,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:18,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:18,382 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 02:30:18,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:18,399 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:30:18,399 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:30:18,455 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 02:30:18,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274259147] [2021-10-11 02:30:18,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [218696000] [2021-10-11 02:30:18,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:18,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:30:18,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:18,757 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 02:30:18,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:18,850 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 02:30:18,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454782913] [2021-10-11 02:30:18,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:19,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:19,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:19,054 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 02:30:19,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:19,105 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 02:30:19,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:30:19,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-11 02:30:19,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841029929] [2021-10-11 02:30:19,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 02:30:19,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:19,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 02:30:19,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:30:19,110 INFO L87 Difference]: Start difference. First operand 408 states and 516 transitions. Second operand 13 states. [2021-10-11 02:30:26,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:26,127 INFO L93 Difference]: Finished difference Result 3669 states and 4740 transitions. [2021-10-11 02:30:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-11 02:30:26,127 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2021-10-11 02:30:26,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:26,145 INFO L225 Difference]: With dead ends: 3669 [2021-10-11 02:30:26,145 INFO L226 Difference]: Without dead ends: 3313 [2021-10-11 02:30:26,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2207 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-11 02:30:26,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2021-10-11 02:30:26,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 556. [2021-10-11 02:30:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2021-10-11 02:30:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 725 transitions. [2021-10-11 02:30:26,265 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 725 transitions. Word has length 55 [2021-10-11 02:30:26,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:26,266 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 725 transitions. [2021-10-11 02:30:26,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 02:30:26,266 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 725 transitions. [2021-10-11 02:30:26,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 02:30:26,267 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:26,267 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:30:26,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:26,885 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:26,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2021-10-11 02:30:26,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:26,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766227005] [2021-10-11 02:30:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:27,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:27,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:27,171 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 02:30:27,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:27,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766227005] [2021-10-11 02:30:27,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:27,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:27,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411628620] [2021-10-11 02:30:27,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:27,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:27,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:27,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:27,174 INFO L87 Difference]: Start difference. First operand 556 states and 725 transitions. Second operand 5 states. [2021-10-11 02:30:27,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:27,281 INFO L93 Difference]: Finished difference Result 874 states and 1123 transitions. [2021-10-11 02:30:27,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:27,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-10-11 02:30:27,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:27,282 INFO L225 Difference]: With dead ends: 874 [2021-10-11 02:30:27,282 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:27,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 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 02:30:27,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:27,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:27,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-11 02:30:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:27,285 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:27,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:27,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:27,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3 [2021-10-11 02:30:27,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:27,724 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2021-10-11 02:30:28,570 WARN L197 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 229 [2021-10-11 02:30:28,744 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 119 [2021-10-11 02:30:29,203 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 185 [2021-10-11 02:30:29,780 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 237 [2021-10-11 02:30:30,272 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 239 [2021-10-11 02:30:30,400 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 139 [2021-10-11 02:30:30,832 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 239 [2021-10-11 02:30:30,990 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 154 [2021-10-11 02:30:31,153 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 137 [2021-10-11 02:30:31,547 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2021-10-11 02:30:34,193 WARN L197 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 226 DAG size of output: 43 [2021-10-11 02:30:34,836 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2021-10-11 02:30:35,252 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 26 [2021-10-11 02:30:37,124 WARN L197 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 181 DAG size of output: 50 [2021-10-11 02:30:39,759 WARN L197 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 235 DAG size of output: 40 [2021-10-11 02:30:42,597 WARN L197 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 237 DAG size of output: 41 [2021-10-11 02:30:43,568 WARN L197 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 39 [2021-10-11 02:30:46,428 WARN L197 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 237 DAG size of output: 41 [2021-10-11 02:30:47,548 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 149 DAG size of output: 49 [2021-10-11 02:30:48,404 WARN L197 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 48 [2021-10-11 02:30:48,627 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2021-10-11 02:30:48,963 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 26 [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L930(lines 929 976) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L798-2(lines 798 804) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L798-4(lines 798 804) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L798-6(lines 798 804) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L798-8(lines 798 804) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L798-10(lines 798 804) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L262 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2021-10-11 02:30:48,966 INFO L258 CegarLoopResult]: At program point L832(lines 827 835) the Hoare annotation is: false [2021-10-11 02:30:48,967 INFO L258 CegarLoopResult]: At program point L832-1(lines 827 835) the Hoare annotation is: false [2021-10-11 02:30:48,967 INFO L258 CegarLoopResult]: At program point L832-2(lines 827 835) the Hoare annotation is: false [2021-10-11 02:30:48,967 INFO L258 CegarLoopResult]: At program point L568-2(lines 568 582) the Hoare annotation is: false [2021-10-11 02:30:48,967 INFO L262 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-11 02:30:48,967 INFO L262 CegarLoopResult]: For program point L536(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:30:48,967 INFO L262 CegarLoopResult]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:30:48,967 INFO L262 CegarLoopResult]: For program point L536-2(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:30:48,967 INFO L262 CegarLoopResult]: For program point L536-3(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:30:48,967 INFO L262 CegarLoopResult]: For program point L536-4(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L536-5(lines 536 542) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L900(lines 900 904) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L900-2(lines 900 904) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L900-3(lines 900 904) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L900-5(lines 900 904) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:30:48,968 INFO L262 CegarLoopResult]: For program point L900-6(lines 900 904) no Hoare annotation was computed. [2021-10-11 02:30:48,969 INFO L262 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:30:48,969 INFO L262 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:30:48,969 INFO L262 CegarLoopResult]: For program point L900-8(lines 900 904) no Hoare annotation was computed. [2021-10-11 02:30:48,969 INFO L262 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:30:48,969 INFO L262 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:30:48,969 INFO L262 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2021-10-11 02:30:48,969 INFO L262 CegarLoopResult]: For program point L967(lines 967 971) no Hoare annotation was computed. [2021-10-11 02:30:48,970 INFO L258 CegarLoopResult]: At program point L967-2(lines 703 709) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3))) [2021-10-11 02:30:48,970 INFO L258 CegarLoopResult]: At program point L703(lines 702 721) 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 .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse3) (and .cse0 .cse2 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:30:48,970 INFO L262 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 02:30:48,971 INFO L258 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2021-10-11 02:30:48,971 INFO L258 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2021-10-11 02:30:48,971 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 02:30:48,971 INFO L262 CegarLoopResult]: For program point L572(lines 572 576) no Hoare annotation was computed. [2021-10-11 02:30:48,971 INFO L262 CegarLoopResult]: For program point L572-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 02:30:48,971 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-11 02:30:48,971 INFO L262 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L262 CegarLoopResult]: For program point L441-2(line 441) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L262 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L262 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L262 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L262 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L262 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L262 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:30:48,972 INFO L258 CegarLoopResult]: At program point L541(lines 532 545) the Hoare annotation is: false [2021-10-11 02:30:48,973 INFO L258 CegarLoopResult]: At program point L541-1(lines 532 545) 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))) (.cse4 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse2 .cse3 .cse4))) [2021-10-11 02:30:48,973 INFO L258 CegarLoopResult]: At program point L541-2(lines 532 545) the Hoare annotation is: false [2021-10-11 02:30:48,973 INFO L258 CegarLoopResult]: At program point L541-3(lines 532 545) the Hoare annotation is: false [2021-10-11 02:30:48,973 INFO L258 CegarLoopResult]: At program point L541-4(lines 532 545) the Hoare annotation is: false [2021-10-11 02:30:48,973 INFO L258 CegarLoopResult]: At program point L541-5(lines 532 545) the Hoare annotation is: false [2021-10-11 02:30:48,973 INFO L262 CegarLoopResult]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-10-11 02:30:48,973 INFO L258 CegarLoopResult]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse1 .cse7 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse6 .cse4) (and .cse1 .cse7 .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) .cse0 .cse1 .cse2 .cse4 .cse5))) [2021-10-11 02:30:48,974 INFO L258 CegarLoopResult]: At program point L906(lines 891 909) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:48,974 INFO L258 CegarLoopResult]: At program point L906-1(lines 891 909) the Hoare annotation is: false [2021-10-11 02:30:48,974 INFO L258 CegarLoopResult]: At program point L906-2(lines 891 909) the Hoare annotation is: false [2021-10-11 02:30:48,974 INFO L258 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse8 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse7 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse8 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse9 .cse4) (and (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse8 .cse9 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse4 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-10-11 02:30:48,974 INFO L258 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2021-10-11 02:30:48,974 INFO L262 CegarLoopResult]: For program point L644(lines 644 651) no Hoare annotation was computed. [2021-10-11 02:30:48,974 INFO L258 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2021-10-11 02:30:48,974 INFO L265 CegarLoopResult]: At program point L644-1(lines 644 651) the Hoare annotation is: true [2021-10-11 02:30:48,975 INFO L258 CegarLoopResult]: At program point L977(lines 928 978) the Hoare annotation is: false [2021-10-11 02:30:48,975 INFO L258 CegarLoopResult]: At program point L680(lines 1 984) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:48,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:48,975 INFO L262 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-10-11 02:30:48,975 INFO L262 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,975 INFO L262 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,975 INFO L262 CegarLoopResult]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,975 INFO L262 CegarLoopResult]: For program point L881-5(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,976 INFO L262 CegarLoopResult]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,976 INFO L258 CegarLoopResult]: At program point L617(lines 613 619) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:48,976 INFO L262 CegarLoopResult]: For program point L881-8(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,976 INFO L262 CegarLoopResult]: For program point L881-9(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,976 INFO L258 CegarLoopResult]: At program point L551(lines 546 554) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:48,976 INFO L258 CegarLoopResult]: At program point L551-1(lines 546 554) the Hoare annotation is: false [2021-10-11 02:30:48,976 INFO L262 CegarLoopResult]: For program point L881-11(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,976 INFO L258 CegarLoopResult]: At program point L551-2(lines 546 554) the Hoare annotation is: false [2021-10-11 02:30:48,976 INFO L262 CegarLoopResult]: For program point L881-12(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,976 INFO L262 CegarLoopResult]: For program point L419(lines 419 432) no Hoare annotation was computed. [2021-10-11 02:30:48,977 INFO L262 CegarLoopResult]: For program point L881-14(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,977 INFO L258 CegarLoopResult]: At program point L419-1(lines 1 984) the Hoare annotation is: (let ((.cse10 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse2 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse11 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967294 32)))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse7 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse7) (and .cse0 .cse10 .cse11 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse7 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2021-10-11 02:30:48,977 INFO L262 CegarLoopResult]: For program point L881-15(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,977 INFO L262 CegarLoopResult]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2021-10-11 02:30:48,977 INFO L258 CegarLoopResult]: At program point L419-3(lines 1 984) the Hoare annotation is: false [2021-10-11 02:30:48,977 INFO L262 CegarLoopResult]: For program point L881-17(lines 881 885) no Hoare annotation was computed. [2021-10-11 02:30:48,977 INFO L262 CegarLoopResult]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2021-10-11 02:30:48,977 INFO L258 CegarLoopResult]: At program point L419-5(lines 1 984) the Hoare annotation is: false [2021-10-11 02:30:48,977 INFO L262 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-10-11 02:30:48,978 INFO L258 CegarLoopResult]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3))) [2021-10-11 02:30:48,978 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:48,978 INFO L265 CegarLoopResult]: At program point L653(lines 634 656) the Hoare annotation is: true [2021-10-11 02:30:48,978 INFO L262 CegarLoopResult]: For program point L423(lines 423 429) no Hoare annotation was computed. [2021-10-11 02:30:48,978 INFO L262 CegarLoopResult]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2021-10-11 02:30:48,978 INFO L262 CegarLoopResult]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2021-10-11 02:30:48,978 INFO L258 CegarLoopResult]: At program point L688(lines 683 691) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:48,978 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:48,978 INFO L258 CegarLoopResult]: At program point L887(lines 872 890) the Hoare annotation is: false [2021-10-11 02:30:48,978 INFO L258 CegarLoopResult]: At program point L887-1(lines 872 890) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)) .cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (and .cse3 .cse0 .cse4 .cse5 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse6 .cse2 .cse7) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse3 .cse4 .cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse1 .cse6 .cse2 .cse7))) [2021-10-11 02:30:48,978 INFO L258 CegarLoopResult]: At program point L887-2(lines 872 890) the Hoare annotation is: false [2021-10-11 02:30:48,979 INFO L258 CegarLoopResult]: At program point L887-3(lines 872 890) the Hoare annotation is: false [2021-10-11 02:30:48,979 INFO L258 CegarLoopResult]: At program point L887-4(lines 872 890) the Hoare annotation is: false [2021-10-11 02:30:48,979 INFO L258 CegarLoopResult]: At program point L887-5(lines 872 890) the Hoare annotation is: false [2021-10-11 02:30:48,979 INFO L262 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-10-11 02:30:48,979 INFO L262 CegarLoopResult]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2021-10-11 02:30:48,979 INFO L262 CegarLoopResult]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2021-10-11 02:30:48,979 INFO L258 CegarLoopResult]: At program point L823(lines 816 826) the Hoare annotation is: false [2021-10-11 02:30:48,979 INFO L258 CegarLoopResult]: At program point L823-1(lines 816 826) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) [2021-10-11 02:30:48,980 INFO L258 CegarLoopResult]: At program point L823-2(lines 816 826) the Hoare annotation is: false [2021-10-11 02:30:48,980 INFO L258 CegarLoopResult]: At program point L823-3(lines 816 826) the Hoare annotation is: false [2021-10-11 02:30:48,980 INFO L258 CegarLoopResult]: At program point L823-4(lines 816 826) the Hoare annotation is: false [2021-10-11 02:30:48,980 INFO L258 CegarLoopResult]: At program point L823-5(lines 816 826) the Hoare annotation is: false [2021-10-11 02:30:48,980 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:48,980 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 02:30:48,981 INFO L258 CegarLoopResult]: At program point L528(lines 523 531) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32)))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= ULTIMATE.start_activatePump_~tmp~7 (_ bv0 32)) .cse0 .cse3 .cse4 .cse5 .cse6 .cse2 .cse7 .cse8 .cse9) (and .cse0 .cse3 .cse4 .cse1 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9))) [2021-10-11 02:30:48,981 INFO L258 CegarLoopResult]: At program point L528-1(lines 523 531) the Hoare annotation is: false [2021-10-11 02:30:48,981 INFO L258 CegarLoopResult]: At program point L528-2(lines 523 531) the Hoare annotation is: false [2021-10-11 02:30:48,981 INFO L258 CegarLoopResult]: At program point L496(lines 491 499) the Hoare annotation is: false [2021-10-11 02:30:48,981 INFO L258 CegarLoopResult]: At program point L496-1(lines 491 499) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv4294967295 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32)) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) [2021-10-11 02:30:48,981 INFO L258 CegarLoopResult]: At program point L496-2(lines 491 499) the Hoare annotation is: false [2021-10-11 02:30:48,981 INFO L258 CegarLoopResult]: At program point L496-3(lines 491 499) the Hoare annotation is: false [2021-10-11 02:30:48,982 INFO L258 CegarLoopResult]: At program point L496-4(lines 491 499) the Hoare annotation is: false [2021-10-11 02:30:48,982 INFO L258 CegarLoopResult]: At program point L496-5(lines 491 499) the Hoare annotation is: false [2021-10-11 02:30:48,982 INFO L262 CegarLoopResult]: For program point L959(lines 959 972) no Hoare annotation was computed. [2021-10-11 02:30:48,982 INFO L262 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2021-10-11 02:30:48,982 INFO L262 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2021-10-11 02:30:48,982 INFO L262 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2021-10-11 02:30:49,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:49 BoogieIcfgContainer [2021-10-11 02:30:49,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:49,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:49,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:49,025 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:49,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:04" (3/4) ... [2021-10-11 02:30:49,028 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:49,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:49,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:49,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:49,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:49,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:49,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:49,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:49,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:49,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:49,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == \result) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == \result) [2021-10-11 02:30:49,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:49,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:49,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:49,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:30:49,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) [2021-10-11 02:30:49,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == \result) [2021-10-11 02:30:49,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:30:49,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:30:49,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:30:49,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:30:49,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result [2021-10-11 02:30:49,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result [2021-10-11 02:30:49,146 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbd16108-2c03-493c-b456-4cec160fe036/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:49,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:49,147 INFO L168 Benchmark]: Toolchain (without parser) took 47831.23 ms. Allocated memory was 69.2 MB in the beginning and 293.6 MB in the end (delta: 224.4 MB). Free memory was 50.5 MB in the beginning and 211.9 MB in the end (delta: -161.4 MB). Peak memory consumption was 61.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:49,147 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 51.1 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:49,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.73 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 34.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:49,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.66 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 34.3 MB in the beginning and 76.9 MB in the end (delta: -42.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:49,149 INFO L168 Benchmark]: Boogie Preprocessor took 56.03 ms. Allocated memory is still 94.4 MB. Free memory was 76.9 MB in the beginning and 73.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:49,149 INFO L168 Benchmark]: RCFGBuilder took 2664.77 ms. Allocated memory is still 94.4 MB. Free memory was 73.5 MB in the beginning and 65.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:49,149 INFO L168 Benchmark]: TraceAbstraction took 44195.29 ms. Allocated memory was 94.4 MB in the beginning and 293.6 MB in the end (delta: 199.2 MB). Free memory was 65.4 MB in the beginning and 222.4 MB in the end (delta: -157.0 MB). Peak memory consumption was 173.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:49,150 INFO L168 Benchmark]: Witness Printer took 121.51 ms. Allocated memory is still 293.6 MB. Free memory was 222.4 MB in the beginning and 211.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:49,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 69.2 MB. Free memory was 51.2 MB in the beginning and 51.1 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 701.73 ms. Allocated memory is still 69.2 MB. Free memory was 50.4 MB in the beginning and 34.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.66 ms. Allocated memory was 69.2 MB in the beginning and 94.4 MB in the end (delta: 25.2 MB). Free memory was 34.3 MB in the beginning and 76.9 MB in the end (delta: -42.6 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.03 ms. Allocated memory is still 94.4 MB. Free memory was 76.9 MB in the beginning and 73.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2664.77 ms. Allocated memory is still 94.4 MB. Free memory was 73.5 MB in the beginning and 65.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44195.29 ms. Allocated memory was 94.4 MB in the beginning and 293.6 MB in the end (delta: 199.2 MB). Free memory was 65.4 MB in the beginning and 222.4 MB in the end (delta: -157.0 MB). Peak memory consumption was 173.7 MB. Max. memory is 16.1 GB. * Witness Printer took 121.51 ms. Allocated memory is still 293.6 MB. Free memory was 222.4 MB in the beginning and 211.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: 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: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: ((((((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == tmp) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == \result) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == \result) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 1bv32 == tmp) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == \result) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result) || ((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: (((((tmp == 0bv32 && !(0bv32 == \result)) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == tmp) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && \result == 1bv32) && 0bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.6s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1997 SDtfs, 4794 SDslu, 4756 SDs, 0 SdLazy, 917 SolverSat, 189 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1184 GetRequests, 1033 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2248 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 5708 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 185 NumberOfFragments, 1149 HoareAnnotationTreeSize, 55 FomulaSimplifications, 16677754 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 55 FomulaSimplificationsInter, 5432575 FormulaSimplificationTreeSizeReductionInter, 17.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 833 NumberOfCodeBlocks, 833 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1081 ConstructedInterpolants, 0 QuantifiedInterpolants, 171377 SizeOfPredicates, 51 NumberOfNonLiveVariables, 4538 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 25 InterpolantComputations, 15 PerfectInterpolantSequences, 167/245 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...