./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 d5cb34b3bc004bc03505bd03062aeeaad3499f75 ............................................................................................................................................ 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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 d5cb34b3bc004bc03505bd03062aeeaad3499f75 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:29:30,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:30,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:30,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:30,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:30,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:30,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:30,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:30,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:30,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:30,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:30,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:30,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:30,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:30,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:30,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:30,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:30,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:30,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:30,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:30,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:30,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:30,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:30,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:30,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:30,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:30,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:30,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:30,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:30,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:30,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:30,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:30,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:30,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:30,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:30,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:30,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:30,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:30,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:30,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:30,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:30,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:30,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:30,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:30,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:30,906 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:30,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:30,907 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:30,907 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:30,907 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:30,907 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:30,908 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:30,908 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:30,908 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:30,908 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:30,909 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:30,909 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:30,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:30,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:30,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:30,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:30,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:30,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:30,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:30,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:30,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:30,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:30,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:30,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:30,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:30,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:30,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:30,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:30,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:30,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:30,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:30,914 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:30,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:30,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:30,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:30,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:30,915 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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cb34b3bc004bc03505bd03062aeeaad3499f75 [2021-10-11 02:29:31,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:31,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:31,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:31,196 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:31,197 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:31,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-11 02:29:31,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/b1eae8cfc/4c0138d04486444f9d736aefce0939d9/FLAG88a9bbb12 [2021-10-11 02:29:31,988 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:31,989 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-11 02:29:32,012 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/b1eae8cfc/4c0138d04486444f9d736aefce0939d9/FLAG88a9bbb12 [2021-10-11 02:29:32,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/b1eae8cfc/4c0138d04486444f9d736aefce0939d9 [2021-10-11 02:29:32,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:32,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:32,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:32,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:32,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:32,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:32" (1/1) ... [2021-10-11 02:29:32,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22586615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:32, skipping insertion in model container [2021-10-11 02:29:32,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:32" (1/1) ... [2021-10-11 02:29:32,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:32,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:32,589 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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18264,18277] [2021-10-11 02:29:32,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:32,620 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 02:29:32,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e54aa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:32, skipping insertion in model container [2021-10-11 02:29:32,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:32,622 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:32,625 INFO L168 Benchmark]: Toolchain (without parser) took 394.11 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 63.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:32,626 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:32,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.45 ms. Allocated memory is still 104.9 MB. Free memory was 77.4 MB in the beginning and 63.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:32,629 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 86.0 MB. Free memory was 53.2 MB in the beginning and 53.1 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.45 ms. Allocated memory is still 104.9 MB. Free memory was 77.4 MB in the beginning and 63.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 523]: 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 02:29:34,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:34,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:34,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:34,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:34,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:34,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:34,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:34,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:34,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:34,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:34,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:34,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:34,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:34,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:34,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:34,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:34,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:34,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:35,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:35,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:35,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:35,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:35,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:35,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:35,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:35,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:35,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:35,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:35,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:35,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:35,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:35,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:35,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:35,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:35,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:35,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:35,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:35,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:35,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:35,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:35,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:35,107 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:35,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:35,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:35,109 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:35,109 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:35,110 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:35,110 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:35,110 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:35,110 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:35,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:35,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:35,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:35,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:35,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:35,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:35,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:35,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:35,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:35,115 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:35,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:35,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:35,116 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:35,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:35,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:35,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:35,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:35,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:35,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:35,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:35,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:35,118 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:35,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:35,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:35,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:35,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:35,119 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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5cb34b3bc004bc03505bd03062aeeaad3499f75 [2021-10-11 02:29:35,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:35,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:35,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:35,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:35,608 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:35,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-11 02:29:35,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/026416238/b5403a6eadf94c59a1f72fd7a8828114/FLAG4062caf2a [2021-10-11 02:29:36,253 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:36,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-11 02:29:36,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/026416238/b5403a6eadf94c59a1f72fd7a8828114/FLAG4062caf2a [2021-10-11 02:29:36,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/data/026416238/b5403a6eadf94c59a1f72fd7a8828114 [2021-10-11 02:29:36,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:36,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:36,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:36,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:36,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:36,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:36" (1/1) ... [2021-10-11 02:29:36,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e6ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:36, skipping insertion in model container [2021-10-11 02:29:36,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:36" (1/1) ... [2021-10-11 02:29:36,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:36,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:37,032 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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18264,18277] [2021-10-11 02:29:37,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:37,048 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:37,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:37,124 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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18264,18277] [2021-10-11 02:29:37,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:37,134 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:37,252 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_8ccd4acb-9172-4fd0-b94b-c432ad879b75/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18264,18277] [2021-10-11 02:29:37,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:37,304 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:37,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37 WrapperNode [2021-10-11 02:29:37,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:37,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:37,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:37,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:37,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:37,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:37,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:37,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:37,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... [2021-10-11 02:29:37,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:37,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:37,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:37,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:37,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:40,055 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:40,055 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 02:29:40,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:40 BoogieIcfgContainer [2021-10-11 02:29:40,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:40,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:40,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:40,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:40,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:36" (1/3) ... [2021-10-11 02:29:40,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74371dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:40, skipping insertion in model container [2021-10-11 02:29:40,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:37" (2/3) ... [2021-10-11 02:29:40,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74371dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:40, skipping insertion in model container [2021-10-11 02:29:40,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:40" (3/3) ... [2021-10-11 02:29:40,066 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2021-10-11 02:29:40,085 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:40,089 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:29:40,101 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:29:40,143 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:40,143 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:40,143 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:40,144 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:40,144 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:40,144 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:40,144 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:40,145 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2021-10-11 02:29:40,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:29:40,167 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:40,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:40,169 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:40,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:40,175 INFO L82 PathProgramCache]: Analyzing trace with hash 641779472, now seen corresponding path program 1 times [2021-10-11 02:29:40,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:40,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013012551] [2021-10-11 02:29:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:40,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:29:40,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:40,499 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 02:29:40,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:40,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013012551] [2021-10-11 02:29:40,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:40,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:40,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954065079] [2021-10-11 02:29:40,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:29:40,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:40,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:29:40,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:40,522 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2021-10-11 02:29:40,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:40,554 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-10-11 02:29:40,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:29:40,555 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:29:40,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:40,566 INFO L225 Difference]: With dead ends: 240 [2021-10-11 02:29:40,566 INFO L226 Difference]: Without dead ends: 119 [2021-10-11 02:29:40,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:29:40,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-11 02:29:40,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-11 02:29:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-10-11 02:29:40,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-10-11 02:29:40,614 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-10-11 02:29:40,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:40,615 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-10-11 02:29:40,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:29:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-10-11 02:29:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:29:40,616 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:40,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:40,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:40,841 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:40,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:40,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1103918604, now seen corresponding path program 1 times [2021-10-11 02:29:40,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:40,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [675035071] [2021-10-11 02:29:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:41,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:41,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:41,125 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 02:29:41,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:41,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [675035071] [2021-10-11 02:29:41,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:41,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:41,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204529883] [2021-10-11 02:29:41,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:41,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:41,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:41,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:41,130 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand 3 states. [2021-10-11 02:29:41,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:41,143 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-10-11 02:29:41,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:41,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:29:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:41,145 INFO L225 Difference]: With dead ends: 119 [2021-10-11 02:29:41,146 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:29:41,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:29:41,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:29:41,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:29:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:29:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 02:29:41,153 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-11 02:29:41,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:41,154 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 02:29:41,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 02:29:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:29:41,155 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:41,156 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 02:29:41,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:29:41,372 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:41,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:41,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1148023213, now seen corresponding path program 1 times [2021-10-11 02:29:41,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:41,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064237982] [2021-10-11 02:29:41,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:41,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:41,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:41,621 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 02:29:41,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:41,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064237982] [2021-10-11 02:29:41,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:41,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:41,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237899750] [2021-10-11 02:29:41,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:41,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:41,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:41,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:41,624 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-10-11 02:29:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:41,634 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-10-11 02:29:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:41,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:29:41,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:41,636 INFO L225 Difference]: With dead ends: 92 [2021-10-11 02:29:41,636 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 02:29:41,637 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 02:29:41,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 02:29:41,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 02:29:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 02:29:41,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-11 02:29:41,643 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-11 02:29:41,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:41,644 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-11 02:29:41,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-11 02:29:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:29:41,645 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:41,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:41,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:29:41,864 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:41,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:41,865 INFO L82 PathProgramCache]: Analyzing trace with hash -43063729, now seen corresponding path program 1 times [2021-10-11 02:29:41,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:41,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373662226] [2021-10-11 02:29:41,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:42,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:42,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:42,176 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 02:29:42,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:42,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373662226] [2021-10-11 02:29:42,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:42,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:42,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544845952] [2021-10-11 02:29:42,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:42,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:42,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:42,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:42,181 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2021-10-11 02:29:42,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:42,280 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-10-11 02:29:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:42,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:29:42,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:42,285 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:29:42,285 INFO L226 Difference]: Without dead ends: 72 [2021-10-11 02:29:42,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:42,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-11 02:29:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-11 02:29:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-10-11 02:29:42,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-10-11 02:29:42,306 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-10-11 02:29:42,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:42,307 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-10-11 02:29:42,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-10-11 02:29:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:29:42,308 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:42,308 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] [2021-10-11 02:29:42,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:29:42,536 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:42,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:42,537 INFO L82 PathProgramCache]: Analyzing trace with hash -743213728, now seen corresponding path program 1 times [2021-10-11 02:29:42,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:42,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668943182] [2021-10-11 02:29:42,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:42,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:42,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:42,825 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 02:29:42,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:42,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668943182] [2021-10-11 02:29:42,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:42,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:42,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814383579] [2021-10-11 02:29:42,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:42,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:42,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:42,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:42,847 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand 5 states. [2021-10-11 02:29:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:42,938 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-10-11 02:29:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:42,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:29:42,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:42,940 INFO L225 Difference]: With dead ends: 187 [2021-10-11 02:29:42,941 INFO L226 Difference]: Without dead ends: 123 [2021-10-11 02:29:42,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 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 02:29:42,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-11 02:29:42,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-10-11 02:29:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-10-11 02:29:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-11 02:29:42,953 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-10-11 02:29:42,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:42,954 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-11 02:29:42,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-10-11 02:29:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 02:29:42,956 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:42,956 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] [2021-10-11 02:29:43,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:29:43,173 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:43,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:43,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1870609821, now seen corresponding path program 1 times [2021-10-11 02:29:43,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:43,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568687234] [2021-10-11 02:29:43,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:43,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:43,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:43,477 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 02:29:43,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:43,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568687234] [2021-10-11 02:29:43,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:43,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:43,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903916685] [2021-10-11 02:29:43,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:43,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:43,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:43,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:43,488 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand 5 states. [2021-10-11 02:29:43,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:43,733 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2021-10-11 02:29:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:29:43,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2021-10-11 02:29:43,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:43,738 INFO L225 Difference]: With dead ends: 381 [2021-10-11 02:29:43,739 INFO L226 Difference]: Without dead ends: 311 [2021-10-11 02:29:43,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 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 02:29:43,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-11 02:29:43,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2021-10-11 02:29:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2021-10-11 02:29:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2021-10-11 02:29:43,775 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2021-10-11 02:29:43,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:43,776 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2021-10-11 02:29:43,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2021-10-11 02:29:43,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:29:43,778 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:43,778 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] [2021-10-11 02:29:43,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:29:43,990 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:43,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:43,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1353310945, now seen corresponding path program 1 times [2021-10-11 02:29:43,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:43,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882619801] [2021-10-11 02:29:43,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:44,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:29:44,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:44,270 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 02:29:44,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:44,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882619801] [2021-10-11 02:29:44,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:44,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:44,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015502557] [2021-10-11 02:29:44,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:44,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:44,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:44,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:44,275 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand 4 states. [2021-10-11 02:29:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:45,742 INFO L93 Difference]: Finished difference Result 316 states and 440 transitions. [2021-10-11 02:29:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:45,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:29:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:45,745 INFO L225 Difference]: With dead ends: 316 [2021-10-11 02:29:45,745 INFO L226 Difference]: Without dead ends: 246 [2021-10-11 02:29:45,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 02:29:45,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-10-11 02:29:45,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 239. [2021-10-11 02:29:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2021-10-11 02:29:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 327 transitions. [2021-10-11 02:29:45,786 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 327 transitions. Word has length 33 [2021-10-11 02:29:45,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:45,786 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 327 transitions. [2021-10-11 02:29:45,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 327 transitions. [2021-10-11 02:29:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:29:45,788 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:45,788 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] [2021-10-11 02:29:45,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:29:45,990 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:45,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:45,990 INFO L82 PathProgramCache]: Analyzing trace with hash 342193695, now seen corresponding path program 1 times [2021-10-11 02:29:45,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:45,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350079925] [2021-10-11 02:29:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:46,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:29:46,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:46,226 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 02:29:46,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:46,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350079925] [2021-10-11 02:29:46,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:46,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:46,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041922542] [2021-10-11 02:29:46,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:46,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:46,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:46,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:46,229 INFO L87 Difference]: Start difference. First operand 239 states and 327 transitions. Second operand 4 states. [2021-10-11 02:29:46,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:46,338 INFO L93 Difference]: Finished difference Result 630 states and 874 transitions. [2021-10-11 02:29:46,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:46,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:29:46,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:46,342 INFO L225 Difference]: With dead ends: 630 [2021-10-11 02:29:46,342 INFO L226 Difference]: Without dead ends: 441 [2021-10-11 02:29:46,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 02:29:46,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-10-11 02:29:46,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 240. [2021-10-11 02:29:46,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2021-10-11 02:29:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 327 transitions. [2021-10-11 02:29:46,377 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 327 transitions. Word has length 33 [2021-10-11 02:29:46,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:46,378 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 327 transitions. [2021-10-11 02:29:46,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 327 transitions. [2021-10-11 02:29:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:29:46,380 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:46,380 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] [2021-10-11 02:29:46,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:29:46,596 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:46,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:46,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1727755226, now seen corresponding path program 1 times [2021-10-11 02:29:46,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:46,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162930608] [2021-10-11 02:29:46,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:46,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:46,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:46,848 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 02:29:46,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:46,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162930608] [2021-10-11 02:29:46,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:46,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:46,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090663122] [2021-10-11 02:29:46,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:46,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:46,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:46,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:46,851 INFO L87 Difference]: Start difference. First operand 240 states and 327 transitions. Second operand 5 states. [2021-10-11 02:29:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:48,693 INFO L93 Difference]: Finished difference Result 669 states and 928 transitions. [2021-10-11 02:29:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:29:48,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:29:48,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:48,697 INFO L225 Difference]: With dead ends: 669 [2021-10-11 02:29:48,698 INFO L226 Difference]: Without dead ends: 435 [2021-10-11 02:29:48,699 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 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 02:29:48,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-10-11 02:29:48,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 209. [2021-10-11 02:29:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2021-10-11 02:29:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 275 transitions. [2021-10-11 02:29:48,750 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 275 transitions. Word has length 33 [2021-10-11 02:29:48,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:48,750 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 275 transitions. [2021-10-11 02:29:48,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 275 transitions. [2021-10-11 02:29:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:29:48,752 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:48,753 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] [2021-10-11 02:29:48,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:29:48,962 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:48,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:48,963 INFO L82 PathProgramCache]: Analyzing trace with hash 600359133, now seen corresponding path program 1 times [2021-10-11 02:29:48,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:48,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1360830733] [2021-10-11 02:29:48,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:49,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:49,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:49,214 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 02:29:49,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:49,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1360830733] [2021-10-11 02:29:49,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:49,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:49,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874886057] [2021-10-11 02:29:49,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:49,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:49,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:49,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:49,217 INFO L87 Difference]: Start difference. First operand 209 states and 275 transitions. Second operand 5 states. [2021-10-11 02:29:49,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:49,339 INFO L93 Difference]: Finished difference Result 571 states and 763 transitions. [2021-10-11 02:29:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:49,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 02:29:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:49,342 INFO L225 Difference]: With dead ends: 571 [2021-10-11 02:29:49,343 INFO L226 Difference]: Without dead ends: 368 [2021-10-11 02:29:49,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 02:29:49,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-10-11 02:29:49,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 197. [2021-10-11 02:29:49,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-10-11 02:29:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-11 02:29:49,379 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 33 [2021-10-11 02:29:49,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:49,379 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-11 02:29:49,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-11 02:29:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 02:29:49,381 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:49,382 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] [2021-10-11 02:29:49,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:29:49,600 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:49,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:49,600 INFO L82 PathProgramCache]: Analyzing trace with hash 241491333, now seen corresponding path program 1 times [2021-10-11 02:29:49,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:49,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776222750] [2021-10-11 02:29:49,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:49,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:29:49,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:49,926 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 02:29:49,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:49,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776222750] [2021-10-11 02:29:49,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:49,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:49,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934417392] [2021-10-11 02:29:49,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:49,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:49,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:49,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:49,937 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 4 states. [2021-10-11 02:29:50,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:50,013 INFO L93 Difference]: Finished difference Result 422 states and 555 transitions. [2021-10-11 02:29:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:50,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2021-10-11 02:29:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:50,017 INFO L225 Difference]: With dead ends: 422 [2021-10-11 02:29:50,018 INFO L226 Difference]: Without dead ends: 256 [2021-10-11 02:29:50,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 02:29:50,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-10-11 02:29:50,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 186. [2021-10-11 02:29:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-10-11 02:29:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 240 transitions. [2021-10-11 02:29:50,048 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 240 transitions. Word has length 52 [2021-10-11 02:29:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:50,049 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 240 transitions. [2021-10-11 02:29:50,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 240 transitions. [2021-10-11 02:29:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:29:50,052 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:50,052 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] [2021-10-11 02:29:50,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2021-10-11 02:29:50,269 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:50,270 INFO L82 PathProgramCache]: Analyzing trace with hash -330933439, now seen corresponding path program 1 times [2021-10-11 02:29:50,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:50,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624302447] [2021-10-11 02:29:50,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:50,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:50,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:50,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:50,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624302447] [2021-10-11 02:29:50,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:50,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:50,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613411791] [2021-10-11 02:29:50,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:50,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:50,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:50,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:50,560 INFO L87 Difference]: Start difference. First operand 186 states and 240 transitions. Second operand 5 states. [2021-10-11 02:29:50,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:50,773 INFO L93 Difference]: Finished difference Result 983 states and 1252 transitions. [2021-10-11 02:29:50,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:29:50,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-10-11 02:29:50,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:50,779 INFO L225 Difference]: With dead ends: 983 [2021-10-11 02:29:50,779 INFO L226 Difference]: Without dead ends: 803 [2021-10-11 02:29:50,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:29:50,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-10-11 02:29:50,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 364. [2021-10-11 02:29:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2021-10-11 02:29:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 460 transitions. [2021-10-11 02:29:50,851 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 460 transitions. Word has length 53 [2021-10-11 02:29:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:50,852 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 460 transitions. [2021-10-11 02:29:50,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 460 transitions. [2021-10-11 02:29:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:29:50,853 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:50,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:51,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:29:51,067 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:51,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:51,068 INFO L82 PathProgramCache]: Analyzing trace with hash -454216901, now seen corresponding path program 1 times [2021-10-11 02:29:51,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:51,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334658319] [2021-10-11 02:29:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:51,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:29:51,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:51,418 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 02:29:51,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:29:51,461 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:29:51,462 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:29:51,546 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 02:29:51,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334658319] [2021-10-11 02:29:51,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [302403710] [2021-10-11 02:29:51,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:51,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:51,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:51,914 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 02:29:51,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:51,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:29:51,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:29:51,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633279331] [2021-10-11 02:29:51,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:51,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:51,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:51,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:29:51,917 INFO L87 Difference]: Start difference. First operand 364 states and 460 transitions. Second operand 5 states. [2021-10-11 02:29:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:52,097 INFO L93 Difference]: Finished difference Result 852 states and 1096 transitions. [2021-10-11 02:29:52,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:52,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:29:52,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:52,103 INFO L225 Difference]: With dead ends: 852 [2021-10-11 02:29:52,103 INFO L226 Difference]: Without dead ends: 544 [2021-10-11 02:29:52,104 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 02:29:52,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2021-10-11 02:29:52,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 376. [2021-10-11 02:29:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2021-10-11 02:29:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 472 transitions. [2021-10-11 02:29:52,175 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 472 transitions. Word has length 54 [2021-10-11 02:29:52,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:52,177 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 472 transitions. [2021-10-11 02:29:52,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 472 transitions. [2021-10-11 02:29:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:29:52,179 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:52,180 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:52,596 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 02:29:52,597 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:52,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:52,597 INFO L82 PathProgramCache]: Analyzing trace with hash -196051463, now seen corresponding path program 1 times [2021-10-11 02:29:52,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:52,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110926061] [2021-10-11 02:29:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:52,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:52,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:29:52,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:29:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:29:53,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110926061] [2021-10-11 02:29:53,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [217404247] [2021-10-11 02:29:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/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 02:29:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:53,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:29:53,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:53,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:29:53,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:29:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:29:53,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564647972] [2021-10-11 02:29:53,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:29:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:53,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:53,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:53,653 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:29:53,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:29:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:29:53,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:29:53,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-11 02:29:53,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984186208] [2021-10-11 02:29:53,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:29:53,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:53,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:29:53,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:29:53,721 INFO L87 Difference]: Start difference. First operand 376 states and 472 transitions. Second operand 8 states. [2021-10-11 02:29:57,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:57,331 INFO L93 Difference]: Finished difference Result 924 states and 1149 transitions. [2021-10-11 02:29:57,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:57,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-10-11 02:29:57,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:57,335 INFO L225 Difference]: With dead ends: 924 [2021-10-11 02:29:57,336 INFO L226 Difference]: Without dead ends: 554 [2021-10-11 02:29:57,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:29:57,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-10-11 02:29:57,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 354. [2021-10-11 02:29:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2021-10-11 02:29:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 430 transitions. [2021-10-11 02:29:57,408 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 430 transitions. Word has length 54 [2021-10-11 02:29:57,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:57,408 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 430 transitions. [2021-10-11 02:29:57,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:29:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 430 transitions. [2021-10-11 02:29:57,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:29:57,410 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:58,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:58,032 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1751298828, now seen corresponding path program 1 times [2021-10-11 02:29:58,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333800200] [2021-10-11 02:29:58,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:58,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:29:58,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:58,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:58,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333800200] [2021-10-11 02:29:58,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:58,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:58,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816890642] [2021-10-11 02:29:58,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:29:58,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:58,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:29:58,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:58,359 INFO L87 Difference]: Start difference. First operand 354 states and 430 transitions. Second operand 6 states. [2021-10-11 02:30:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:00,423 INFO L93 Difference]: Finished difference Result 1140 states and 1389 transitions. [2021-10-11 02:30:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-11 02:30:00,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-10-11 02:30:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:00,429 INFO L225 Difference]: With dead ends: 1140 [2021-10-11 02:30:00,429 INFO L226 Difference]: Without dead ends: 840 [2021-10-11 02:30:00,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:30:00,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2021-10-11 02:30:00,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 354. [2021-10-11 02:30:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2021-10-11 02:30:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 429 transitions. [2021-10-11 02:30:00,498 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 429 transitions. Word has length 55 [2021-10-11 02:30:00,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:00,498 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 429 transitions. [2021-10-11 02:30:00,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:30:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 429 transitions. [2021-10-11 02:30:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:30:00,499 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:00,500 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 02:30:00,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,714 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:00,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:00,715 INFO L82 PathProgramCache]: Analyzing trace with hash -632394713, now seen corresponding path program 1 times [2021-10-11 02:30:00,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:00,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096855242] [2021-10-11 02:30:00,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:00,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:00,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:01,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:01,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096855242] [2021-10-11 02:30:01,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1425096375] [2021-10-11 02:30:01,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:01,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:01,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:01,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:01,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032111077] [2021-10-11 02:30:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:01,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:01,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:01,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:01,839 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 02:30:01,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:30:01,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-10-11 02:30:01,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168151270] [2021-10-11 02:30:01,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 02:30:01,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:01,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 02:30:01,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:30:01,842 INFO L87 Difference]: Start difference. First operand 354 states and 429 transitions. Second operand 10 states. [2021-10-11 02:30:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,750 INFO L93 Difference]: Finished difference Result 2311 states and 2858 transitions. [2021-10-11 02:30:04,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-11 02:30:04,751 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2021-10-11 02:30:04,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,764 INFO L225 Difference]: With dead ends: 2311 [2021-10-11 02:30:04,764 INFO L226 Difference]: Without dead ends: 2011 [2021-10-11 02:30:04,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2021-10-11 02:30:04,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2021-10-11 02:30:04,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 492. [2021-10-11 02:30:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2021-10-11 02:30:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 603 transitions. [2021-10-11 02:30:04,890 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 603 transitions. Word has length 55 [2021-10-11 02:30:04,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,890 INFO L481 AbstractCegarLoop]: Abstraction has 492 states and 603 transitions. [2021-10-11 02:30:04,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 02:30:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 603 transitions. [2021-10-11 02:30:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-11 02:30:04,898 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,900 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-10-11 02:30:05,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3,21 cvc4 --incremental --print-success --lang smt,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:05,521 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,522 INFO L82 PathProgramCache]: Analyzing trace with hash 2011476516, now seen corresponding path program 1 times [2021-10-11 02:30:05,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282043117] [2021-10-11 02:30:05,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:05,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:30:05,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-11 02:30:05,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:06,017 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:30:06,018 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:30:06,112 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-11 02:30:06,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282043117] [2021-10-11 02:30:06,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [158422255] [2021-10-11 02:30:06,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:06,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-11 02:30:06,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-11 02:30:06,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:07,041 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-11 02:30:07,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837521857] [2021-10-11 02:30:07,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:07,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:30:07,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-11 02:30:07,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:30:07,575 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:30:07,575 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:30:07,746 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-10-11 02:30:07,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-11 02:30:07,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 8, 8, 8] total 24 [2021-10-11 02:30:07,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436039284] [2021-10-11 02:30:07,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 02:30:07,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:07,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 02:30:07,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-10-11 02:30:07,751 INFO L87 Difference]: Start difference. First operand 492 states and 603 transitions. Second operand 8 states. [2021-10-11 02:30:11,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:11,719 INFO L93 Difference]: Finished difference Result 2169 states and 2723 transitions. [2021-10-11 02:30:11,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-11 02:30:11,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2021-10-11 02:30:11,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:11,730 INFO L225 Difference]: With dead ends: 2169 [2021-10-11 02:30:11,730 INFO L226 Difference]: Without dead ends: 1683 [2021-10-11 02:30:11,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 722 GetRequests, 688 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2021-10-11 02:30:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2021-10-11 02:30:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 737. [2021-10-11 02:30:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2021-10-11 02:30:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 913 transitions. [2021-10-11 02:30:11,874 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 913 transitions. Word has length 118 [2021-10-11 02:30:11,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:11,874 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 913 transitions. [2021-10-11 02:30:11,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 02:30:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 913 transitions. [2021-10-11 02:30:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-11 02:30:11,877 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:11,877 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-10-11 02:30:12,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3,24 cvc4 --incremental --print-success --lang smt,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:30:12,490 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:12,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:12,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1985123616, now seen corresponding path program 2 times [2021-10-11 02:30:12,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:12,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730050496] [2021-10-11 02:30:12,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 26 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:12,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:12,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-11 02:30:12,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:12,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730050496] [2021-10-11 02:30:12,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:12,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:12,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891675199] [2021-10-11 02:30:12,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:12,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:12,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:12,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:12,832 INFO L87 Difference]: Start difference. First operand 737 states and 913 transitions. Second operand 5 states. [2021-10-11 02:30:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:12,913 INFO L93 Difference]: Finished difference Result 1041 states and 1277 transitions. [2021-10-11 02:30:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:12,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2021-10-11 02:30:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:12,914 INFO L225 Difference]: With dead ends: 1041 [2021-10-11 02:30:12,914 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:12,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 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 02:30:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:12,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2021-10-11 02:30:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:12,917 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:12,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:12,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:13,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 mathsat -unsat_core_generation=3 [2021-10-11 02:30:13,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:13,916 WARN L197 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 228 [2021-10-11 02:30:14,072 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-10-11 02:30:14,624 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 233 [2021-10-11 02:30:14,789 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 137 [2021-10-11 02:30:15,021 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 174 [2021-10-11 02:30:15,169 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 126 [2021-10-11 02:30:15,399 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 178 [2021-10-11 02:30:17,420 WARN L197 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 224 DAG size of output: 45 [2021-10-11 02:30:18,036 WARN L197 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2021-10-11 02:30:18,263 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-10-11 02:30:19,954 WARN L197 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 230 DAG size of output: 41 [2021-10-11 02:30:20,717 WARN L197 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2021-10-11 02:30:21,772 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 169 DAG size of output: 43 [2021-10-11 02:30:22,103 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 36 [2021-10-11 02:30:22,733 WARN L197 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2021-10-11 02:30:23,806 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 166 DAG size of output: 48 [2021-10-11 02:30:24,260 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2021-10-11 02:30:24,615 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 44 [2021-10-11 02:30:24,618 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2021-10-11 02:30:24,618 INFO L262 CegarLoopResult]: For program point L961(line 961) no Hoare annotation was computed. [2021-10-11 02:30:24,618 INFO L262 CegarLoopResult]: For program point L961-1(line 961) no Hoare annotation was computed. [2021-10-11 02:30:24,618 INFO L262 CegarLoopResult]: For program point L961-2(line 961) no Hoare annotation was computed. [2021-10-11 02:30:24,618 INFO L262 CegarLoopResult]: For program point L335(lines 335 348) no Hoare annotation was computed. [2021-10-11 02:30:24,619 INFO L258 CegarLoopResult]: At program point L335-1(lines 1 964) the Hoare annotation is: (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse12 (= (bvadd ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv4294967295 32)))) (.cse14 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse4 .cse7 .cse6) (and (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32)) .cse1 .cse8 .cse6 .cse9 .cse10 .cse11 .cse12 .cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse7 .cse14 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3)) (and .cse0 .cse1 .cse11 .cse12 .cse13 .cse3 .cse8 .cse5 .cse14 .cse9 .cse6 .cse10))) [2021-10-11 02:30:24,619 INFO L262 CegarLoopResult]: For program point L335-2(lines 335 348) no Hoare annotation was computed. [2021-10-11 02:30:24,619 INFO L258 CegarLoopResult]: At program point L335-3(lines 1 964) the Hoare annotation is: false [2021-10-11 02:30:24,620 INFO L262 CegarLoopResult]: For program point L335-4(lines 335 348) no Hoare annotation was computed. [2021-10-11 02:30:24,620 INFO L258 CegarLoopResult]: At program point L335-5(lines 1 964) the Hoare annotation is: false [2021-10-11 02:30:24,620 INFO L258 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3)) [2021-10-11 02:30:24,620 INFO L258 CegarLoopResult]: At program point L171-1(lines 166 174) the Hoare annotation is: false [2021-10-11 02:30:24,620 INFO L258 CegarLoopResult]: At program point L171-2(lines 166 174) the Hoare annotation is: false [2021-10-11 02:30:24,620 INFO L262 CegarLoopResult]: For program point L437(lines 437 443) no Hoare annotation was computed. [2021-10-11 02:30:24,621 INFO L262 CegarLoopResult]: For program point L437-1(lines 437 443) no Hoare annotation was computed. [2021-10-11 02:30:24,621 INFO L262 CegarLoopResult]: For program point L437-2(lines 437 443) no Hoare annotation was computed. [2021-10-11 02:30:24,621 INFO L262 CegarLoopResult]: For program point L437-3(lines 437 443) no Hoare annotation was computed. [2021-10-11 02:30:24,621 INFO L262 CegarLoopResult]: For program point L437-4(lines 437 443) no Hoare annotation was computed. [2021-10-11 02:30:24,621 INFO L262 CegarLoopResult]: For program point L437-5(lines 437 443) no Hoare annotation was computed. [2021-10-11 02:30:24,621 INFO L262 CegarLoopResult]: For program point L239(lines 239 243) no Hoare annotation was computed. [2021-10-11 02:30:24,621 INFO L262 CegarLoopResult]: For program point L239-2(lines 239 243) no Hoare annotation was computed. [2021-10-11 02:30:24,622 INFO L262 CegarLoopResult]: For program point L239-3(lines 239 243) no Hoare annotation was computed. [2021-10-11 02:30:24,622 INFO L262 CegarLoopResult]: For program point L239-5(lines 239 243) no Hoare annotation was computed. [2021-10-11 02:30:24,622 INFO L262 CegarLoopResult]: For program point L239-6(lines 239 243) no Hoare annotation was computed. [2021-10-11 02:30:24,622 INFO L262 CegarLoopResult]: For program point L239-8(lines 239 243) no Hoare annotation was computed. [2021-10-11 02:30:24,622 INFO L262 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2021-10-11 02:30:24,623 INFO L262 CegarLoopResult]: For program point L339(lines 339 345) no Hoare annotation was computed. [2021-10-11 02:30:24,623 INFO L262 CegarLoopResult]: For program point L273(lines 273 279) no Hoare annotation was computed. [2021-10-11 02:30:24,623 INFO L262 CegarLoopResult]: For program point L339-2(lines 339 345) no Hoare annotation was computed. [2021-10-11 02:30:24,623 INFO L258 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: (let ((.cse10 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse3 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv4294967295 32)))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32)) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse5 .cse6 .cse7) (and .cse9 .cse1 .cse10 .cse11 .cse8 .cse12 .cse6) (and .cse1 .cse10 .cse8 .cse5 .cse6) (and .cse9 .cse0 .cse1 .cse2 .cse11 .cse3 .cse12 .cse4 .cse6 .cse7) (and .cse9 .cse1 .cse11 .cse8 .cse12 .cse6 .cse7))) [2021-10-11 02:30:24,623 INFO L262 CegarLoopResult]: For program point L339-4(lines 339 345) no Hoare annotation was computed. [2021-10-11 02:30:24,624 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2021-10-11 02:30:24,624 INFO L258 CegarLoopResult]: At program point L309(lines 262 310) the Hoare annotation is: false [2021-10-11 02:30:24,624 INFO L258 CegarLoopResult]: At program point L442(lines 433 446) the Hoare annotation is: false [2021-10-11 02:30:24,624 INFO L258 CegarLoopResult]: At program point L442-1(lines 433 446) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse8 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse8 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse7 .cse8 .cse1 .cse3))) [2021-10-11 02:30:24,624 INFO L258 CegarLoopResult]: At program point L442-2(lines 433 446) the Hoare annotation is: false [2021-10-11 02:30:24,625 INFO L258 CegarLoopResult]: At program point L442-3(lines 433 446) the Hoare annotation is: false [2021-10-11 02:30:24,625 INFO L258 CegarLoopResult]: At program point L442-4(lines 433 446) the Hoare annotation is: false [2021-10-11 02:30:24,625 INFO L258 CegarLoopResult]: At program point L442-5(lines 433 446) the Hoare annotation is: false [2021-10-11 02:30:24,625 INFO L258 CegarLoopResult]: At program point L872-2(lines 872 886) the Hoare annotation is: false [2021-10-11 02:30:24,625 INFO L258 CegarLoopResult]: At program point L245(lines 230 248) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32))) (.cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse9 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse10 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse9 .cse10) (and .cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse1 .cse2 .cse4 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2021-10-11 02:30:24,625 INFO L258 CegarLoopResult]: At program point L245-1(lines 230 248) the Hoare annotation is: false [2021-10-11 02:30:24,625 INFO L258 CegarLoopResult]: At program point L245-2(lines 230 248) the Hoare annotation is: false [2021-10-11 02:30:24,626 INFO L262 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2021-10-11 02:30:24,626 INFO L262 CegarLoopResult]: For program point L876(lines 876 880) no Hoare annotation was computed. [2021-10-11 02:30:24,626 INFO L262 CegarLoopResult]: For program point L876-1(lines 60 66) no Hoare annotation was computed. [2021-10-11 02:30:24,626 INFO L262 CegarLoopResult]: For program point L943(lines 943 950) no Hoare annotation was computed. [2021-10-11 02:30:24,626 INFO L265 CegarLoopResult]: At program point L943-1(lines 943 950) the Hoare annotation is: true [2021-10-11 02:30:24,626 INFO L262 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2021-10-11 02:30:24,626 INFO L258 CegarLoopResult]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse11 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse4 .cse11) (and .cse1 .cse5 .cse3 .cse10 .cse4) (and .cse1 .cse2 .cse3 .cse10 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse9 .cse4 .cse11))) [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L118(lines 118 135) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L118-1(lines 118 135) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L118-2(lines 118 135) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L258 CegarLoopResult]: At program point L482(lines 1 964) 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 02:30:24,627 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-2(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-5(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-6(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-8(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-9(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-11(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,627 INFO L262 CegarLoopResult]: For program point L220-12(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L220-14(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L220-15(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L220-17(lines 220 224) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L258 CegarLoopResult]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse7 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse7))) [2021-10-11 02:30:24,628 INFO L258 CegarLoopResult]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2021-10-11 02:30:24,628 INFO L258 CegarLoopResult]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L122(lines 122 130) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L122-1(lines 122 130) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L122-2(lines 122 130) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L92(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L92-1(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L92-3(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:30:24,628 INFO L262 CegarLoopResult]: For program point L92-4(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:30:24,629 INFO L262 CegarLoopResult]: For program point L92-5(lines 92 109) no Hoare annotation was computed. [2021-10-11 02:30:24,629 INFO L258 CegarLoopResult]: At program point L60(lines 59 78) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse6 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse5 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse9 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse7 .cse5 .cse8 .cse9 .cse10 .cse4) (and .cse1 .cse5 .cse3 .cse10 .cse4) (and .cse1 .cse2 .cse3 .cse10 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse5 .cse8 .cse9 .cse4))) [2021-10-11 02:30:24,629 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 66) no Hoare annotation was computed. [2021-10-11 02:30:24,629 INFO L258 CegarLoopResult]: At program point L60-2(lines 59 78) the Hoare annotation is: false [2021-10-11 02:30:24,629 INFO L258 CegarLoopResult]: At program point L60-3(lines 59 78) the Hoare annotation is: false [2021-10-11 02:30:24,629 INFO L265 CegarLoopResult]: At program point L952(lines 933 955) the Hoare annotation is: true [2021-10-11 02:30:24,629 INFO L258 CegarLoopResult]: At program point L490(lines 485 493) 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 02:30:24,629 INFO L258 CegarLoopResult]: At program point L226(lines 211 229) the Hoare annotation is: false [2021-10-11 02:30:24,629 INFO L258 CegarLoopResult]: At program point L226-1(lines 211 229) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse8 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse12 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse3 .cse5 .cse7 .cse6 .cse8) (and .cse1 .cse10 .cse11 .cse3 .cse12 .cse13 .cse4 .cse6 .cse14) (and .cse9 .cse1 .cse10 .cse11 .cse12 .cse3 .cse13 .cse6 .cse14))) [2021-10-11 02:30:24,629 INFO L258 CegarLoopResult]: At program point L226-2(lines 211 229) the Hoare annotation is: false [2021-10-11 02:30:24,629 INFO L258 CegarLoopResult]: At program point L226-3(lines 211 229) the Hoare annotation is: false [2021-10-11 02:30:24,630 INFO L258 CegarLoopResult]: At program point L226-4(lines 211 229) the Hoare annotation is: false [2021-10-11 02:30:24,630 INFO L258 CegarLoopResult]: At program point L226-5(lines 211 229) the Hoare annotation is: false [2021-10-11 02:30:24,630 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:24,630 INFO L258 CegarLoopResult]: At program point L920(lines 916 922) 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 02:30:24,630 INFO L262 CegarLoopResult]: For program point L293(lines 293 304) no Hoare annotation was computed. [2021-10-11 02:30:24,630 INFO L262 CegarLoopResult]: For program point L360(lines 360 364) no Hoare annotation was computed. [2021-10-11 02:30:24,630 INFO L262 CegarLoopResult]: For program point L360-3(lines 360 364) no Hoare annotation was computed. [2021-10-11 02:30:24,630 INFO L262 CegarLoopResult]: For program point L360-6(lines 360 364) no Hoare annotation was computed. [2021-10-11 02:30:24,631 INFO L262 CegarLoopResult]: For program point L96(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:30:24,631 INFO L262 CegarLoopResult]: For program point L96-1(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:30:24,631 INFO L262 CegarLoopResult]: For program point L96-2(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:30:24,631 INFO L262 CegarLoopResult]: For program point L96-3(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:30:24,631 INFO L262 CegarLoopResult]: For program point L96-4(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:30:24,631 INFO L262 CegarLoopResult]: For program point L96-5(lines 96 104) no Hoare annotation was computed. [2021-10-11 02:30:24,631 INFO L262 CegarLoopResult]: For program point L329(lines 329 349) no Hoare annotation was computed. [2021-10-11 02:30:24,632 INFO L262 CegarLoopResult]: For program point L329-2(lines 329 349) no Hoare annotation was computed. [2021-10-11 02:30:24,632 INFO L262 CegarLoopResult]: For program point L329-4(lines 329 349) no Hoare annotation was computed. [2021-10-11 02:30:24,632 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:24,632 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2021-10-11 02:30:24,632 INFO L258 CegarLoopResult]: At program point L429(lines 424 432) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)) .cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse4 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv0 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:30:24,632 INFO L258 CegarLoopResult]: At program point L429-1(lines 424 432) the Hoare annotation is: false [2021-10-11 02:30:24,633 INFO L258 CegarLoopResult]: At program point L429-2(lines 424 432) the Hoare annotation is: false [2021-10-11 02:30:24,633 INFO L262 CegarLoopResult]: For program point L264(lines 263 308) no Hoare annotation was computed. [2021-10-11 02:30:24,633 INFO L258 CegarLoopResult]: At program point L397(lines 392 400) the Hoare annotation is: (let ((.cse1 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse9 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse13 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse14 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse8 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse12 .cse5 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse0 .cse13 .cse12 .cse14 .cse8) (and .cse0 .cse13 .cse4 .cse14 .cse6 .cse8))) [2021-10-11 02:30:24,633 INFO L258 CegarLoopResult]: At program point L397-1(lines 392 400) the Hoare annotation is: false [2021-10-11 02:30:24,633 INFO L258 CegarLoopResult]: At program point L397-2(lines 392 400) the Hoare annotation is: false [2021-10-11 02:30:24,633 INFO L262 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2021-10-11 02:30:24,633 INFO L258 CegarLoopResult]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (bvadd ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) (bvadd |ULTIMATE.start_isHighWaterLevel_#res| (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse6 (= ~waterLevel~0 (_ bv2 32)) .cse7 .cse8 .cse9 .cse4 .cse10) (and .cse1 .cse2 .cse3 .cse11 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse11 .cse9 .cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse10))) [2021-10-11 02:30:24,634 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: false [2021-10-11 02:30:24,634 INFO L258 CegarLoopResult]: At program point L67-2(lines 67 73) the Hoare annotation is: false [2021-10-11 02:30:24,634 INFO L262 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-10-11 02:30:24,634 INFO L262 CegarLoopResult]: For program point L299-2(lines 60 66) no Hoare annotation was computed. [2021-10-11 02:30:24,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:24 BoogieIcfgContainer [2021-10-11 02:30:24,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:24,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:24,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:24,694 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:24,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:40" (3/4) ... [2021-10-11 02:30:24,697 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:24,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:24,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:24,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:24,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:24,720 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:24,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:24,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:24,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 2bv32 == tmp___0)) || (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) [2021-10-11 02:30:24,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:24,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:24,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:24,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:30:24,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:24,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:24,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:30:24,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) [2021-10-11 02:30:24,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((tmp == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((((tmp == 0bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:30:24,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) [2021-10-11 02:30:24,753 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0 [2021-10-11 02:30:24,796 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ccd4acb-9172-4fd0-b94b-c432ad879b75/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:24,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:24,797 INFO L168 Benchmark]: Toolchain (without parser) took 48212.83 ms. Allocated memory was 54.5 MB in the beginning and 255.9 MB in the end (delta: 201.3 MB). Free memory was 32.1 MB in the beginning and 211.9 MB in the end (delta: -179.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,798 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:24,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.42 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 42.8 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.28 ms. Allocated memory is still 67.1 MB. Free memory was 42.8 MB in the beginning and 39.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,799 INFO L168 Benchmark]: Boogie Preprocessor took 86.25 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 36.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,799 INFO L168 Benchmark]: RCFGBuilder took 2549.62 ms. Allocated memory is still 67.1 MB. Free memory was 36.3 MB in the beginning and 40.4 MB in the end (delta: -4.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,800 INFO L168 Benchmark]: TraceAbstraction took 44633.85 ms. Allocated memory was 67.1 MB in the beginning and 255.9 MB in the end (delta: 188.7 MB). Free memory was 39.6 MB in the beginning and 222.4 MB in the end (delta: -182.8 MB). Peak memory consumption was 157.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:24,800 INFO L168 Benchmark]: Witness Printer took 102.77 ms. Allocated memory is still 255.9 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 02:30:24,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 44.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 719.42 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 42.8 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.28 ms. Allocated memory is still 67.1 MB. Free memory was 42.8 MB in the beginning and 39.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.25 ms. Allocated memory is still 67.1 MB. Free memory was 39.2 MB in the beginning and 36.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2549.62 ms. Allocated memory is still 67.1 MB. Free memory was 36.3 MB in the beginning and 40.4 MB in the end (delta: -4.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44633.85 ms. Allocated memory was 67.1 MB in the beginning and 255.9 MB in the end (delta: 188.7 MB). Free memory was 39.6 MB in the beginning and 222.4 MB in the end (delta: -182.8 MB). Peak memory consumption was 157.8 MB. Max. memory is 16.1 GB. * Witness Printer took 102.77 ms. Allocated memory is still 255.9 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: 961]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 961]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 961]: 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: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((((tmp == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 2bv32 == tmp___0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32)) || ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((((~bvadd64(tmp___0, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 2bv32 == \result) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 2bv32 == tmp___0)) || (((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == \result) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || ((((((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && tmp == 0bv32) && \result == 1bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (((((((((((tmp == 0bv32 && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && tmp == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((((tmp == 0bv32 && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.9s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 17.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2064 SDtfs, 3900 SDslu, 4480 SDs, 0 SdLazy, 770 SolverSat, 143 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2131 GetRequests, 1994 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 4670 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1535 HoareAnnotationTreeSize, 45 FomulaSimplifications, 26718395 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 2323422 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1350 NumberOfCodeBlocks, 1350 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2050 ConstructedInterpolants, 0 QuantifiedInterpolants, 480394 SizeOfPredicates, 65 NumberOfNonLiveVariables, 6067 ConjunctsInSsa, 129 ConjunctsInUnsatCore, 35 InterpolantComputations, 16 PerfectInterpolantSequences, 1086/1520 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...