./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.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_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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_8199203f-06d9-44e9-b55a-ac5083168e6b/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 c018b62812d53c857c48baba878052abd5ef0585 ............................................................................................................................................ 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_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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_8199203f-06d9-44e9-b55a-ac5083168e6b/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 c018b62812d53c857c48baba878052abd5ef0585 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:25:41,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:41,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:41,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:41,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:41,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:41,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:41,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:41,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:41,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:41,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:41,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:41,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:41,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:41,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:41,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:41,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:41,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:41,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:41,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:41,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:41,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:41,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:41,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:41,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:41,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:41,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:41,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:41,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:41,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:41,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:41,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:41,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:41,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:41,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:41,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:41,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:41,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:41,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:41,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:41,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:41,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:41,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:41,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:41,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:41,987 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:41,987 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:41,987 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:41,987 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:41,988 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:41,988 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:41,988 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:41,989 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:41,990 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:41,990 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:41,990 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:41,991 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:41,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:41,992 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:41,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:41,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:41,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:41,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:41,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:41,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:41,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:41,994 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:41,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:41,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:41,995 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:41,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:41,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:41,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:41,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:41,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:41,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:41,997 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:41,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:41,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:41,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:41,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:41,998 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_8199203f-06d9-44e9-b55a-ac5083168e6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c018b62812d53c857c48baba878052abd5ef0585 [2021-10-11 02:25:42,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:42,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:42,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:42,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:42,362 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:42,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-11 02:25:42,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/c89471d90/8d438adc14414a778d42398278e2bdea/FLAG8ac6de8ff [2021-10-11 02:25:43,008 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:43,009 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-11 02:25:43,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/c89471d90/8d438adc14414a778d42398278e2bdea/FLAG8ac6de8ff [2021-10-11 02:25:43,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/c89471d90/8d438adc14414a778d42398278e2bdea [2021-10-11 02:25:43,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:43,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:43,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:43,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:43,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:43,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:43" (1/1) ... [2021-10-11 02:25:43,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d240bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:43, skipping insertion in model container [2021-10-11 02:25:43,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:43" (1/1) ... [2021-10-11 02:25:43,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:43,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:43,574 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_8199203f-06d9-44e9-b55a-ac5083168e6b/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-11 02:25:43,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:43,840 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 02:25:43,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ab2241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:43, skipping insertion in model container [2021-10-11 02:25:43,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:43,844 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:43,847 INFO L168 Benchmark]: Toolchain (without parser) took 573.43 ms. Allocated memory is still 109.1 MB. Free memory was 70.9 MB in the beginning and 81.5 MB in the end (delta: -10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:43,849 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 88.2 MB in the beginning and 88.1 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:43,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.51 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 81.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:43,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 88.2 MB in the beginning and 88.1 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.51 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 81.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 329]: 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 02:25:46,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:46,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:46,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:46,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:46,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:46,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:46,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:46,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:46,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:46,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:46,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:46,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:46,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:46,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:46,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:46,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:46,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:46,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:46,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:46,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:46,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:46,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:46,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:46,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:46,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:46,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:46,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:46,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:46,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:46,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:46,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:46,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:46,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:46,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:46,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:46,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:46,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:46,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:46,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:46,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:46,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:46,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:46,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:46,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:46,584 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:46,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:46,585 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:46,585 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:46,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:46,585 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:46,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:46,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:46,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:46,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:46,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:46,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:46,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:46,590 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:46,590 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:46,590 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:46,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:46,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:46,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:46,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:46,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:46,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:46,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:46,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:46,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:46,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:46,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:46,593 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:46,593 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:46,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:46,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:46,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:46,594 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_8199203f-06d9-44e9-b55a-ac5083168e6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c018b62812d53c857c48baba878052abd5ef0585 [2021-10-11 02:25:47,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:47,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:47,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:47,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:47,050 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:47,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-11 02:25:47,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/9e9e6ebe1/22a5974d393f465e9ad91b2d3e7c76ec/FLAGdcb0625db [2021-10-11 02:25:47,971 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:47,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-10-11 02:25:47,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/9e9e6ebe1/22a5974d393f465e9ad91b2d3e7c76ec/FLAGdcb0625db [2021-10-11 02:25:48,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/data/9e9e6ebe1/22a5974d393f465e9ad91b2d3e7c76ec [2021-10-11 02:25:48,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:48,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:48,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:48,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:48,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:48,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597f5982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:48, skipping insertion in model container [2021-10-11 02:25:48,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:48" (1/1) ... [2021-10-11 02:25:48,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:48,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:48,540 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_8199203f-06d9-44e9-b55a-ac5083168e6b/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-11 02:25:48,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:48,773 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:48,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:48,798 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_8199203f-06d9-44e9-b55a-ac5083168e6b/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-11 02:25:48,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:48,918 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:48,942 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_8199203f-06d9-44e9-b55a-ac5083168e6b/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2021-10-11 02:25:49,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:49,067 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:49,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49 WrapperNode [2021-10-11 02:25:49,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:49,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:49,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:49,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:49,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:49,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:49,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:49,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:49,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:49,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:49,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:49,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:49,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:49,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:52,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:52,258 INFO L299 CfgBuilder]: Removed 206 assume(true) statements. [2021-10-11 02:25:52,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:52 BoogieIcfgContainer [2021-10-11 02:25:52,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:52,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:52,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:52,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:52,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:48" (1/3) ... [2021-10-11 02:25:52,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@826c64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:52, skipping insertion in model container [2021-10-11 02:25:52,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49" (2/3) ... [2021-10-11 02:25:52,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@826c64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:52, skipping insertion in model container [2021-10-11 02:25:52,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:52" (3/3) ... [2021-10-11 02:25:52,272 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2021-10-11 02:25:52,289 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:52,294 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:25:52,307 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:25:52,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:52,349 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:52,349 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:52,349 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:52,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:52,350 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:52,350 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:52,350 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:52,371 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2021-10-11 02:25:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:25:52,379 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:52,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:52,380 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:52,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:52,388 INFO L82 PathProgramCache]: Analyzing trace with hash -947048074, now seen corresponding path program 1 times [2021-10-11 02:25:52,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:52,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148325811] [2021-10-11 02:25:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:52,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:52,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:52,887 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 02:25:52,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:52,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148325811] [2021-10-11 02:25:52,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:52,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:52,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978767446] [2021-10-11 02:25:52,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:52,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:52,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:52,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:52,913 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2021-10-11 02:25:52,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:52,956 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2021-10-11 02:25:52,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:52,958 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:25:52,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:52,984 INFO L225 Difference]: With dead ends: 281 [2021-10-11 02:25:52,984 INFO L226 Difference]: Without dead ends: 140 [2021-10-11 02:25:52,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:53,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-11 02:25:53,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2021-10-11 02:25:53,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:25:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2021-10-11 02:25:53,057 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2021-10-11 02:25:53,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:53,057 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2021-10-11 02:25:53,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2021-10-11 02:25:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:25:53,060 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:53,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:53,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:53,266 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:53,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:53,268 INFO L82 PathProgramCache]: Analyzing trace with hash 858971479, now seen corresponding path program 1 times [2021-10-11 02:25:53,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:53,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95151280] [2021-10-11 02:25:53,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:53,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:53,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:53,599 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 02:25:53,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:53,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95151280] [2021-10-11 02:25:53,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:53,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:53,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079342477] [2021-10-11 02:25:53,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:53,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:53,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:53,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:53,610 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2021-10-11 02:25:53,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:53,641 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2021-10-11 02:25:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:53,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:25:53,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:53,649 INFO L225 Difference]: With dead ends: 140 [2021-10-11 02:25:53,650 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 02:25:53,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:53,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 02:25:53,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 02:25:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 02:25:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2021-10-11 02:25:53,678 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2021-10-11 02:25:53,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:53,681 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2021-10-11 02:25:53,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2021-10-11 02:25:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:25:53,684 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:53,684 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 02:25:53,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:53,906 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:53,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:53,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1840859928, now seen corresponding path program 1 times [2021-10-11 02:25:53,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:53,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779862251] [2021-10-11 02:25:53,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:54,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:54,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:54,274 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 02:25:54,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:54,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779862251] [2021-10-11 02:25:54,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:54,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:54,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138799242] [2021-10-11 02:25:54,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:54,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:54,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:54,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:54,288 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 3 states. [2021-10-11 02:25:54,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:54,316 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2021-10-11 02:25:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:54,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:25:54,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:54,321 INFO L225 Difference]: With dead ends: 107 [2021-10-11 02:25:54,323 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 02:25:54,324 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 02:25:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 02:25:54,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 02:25:54,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 02:25:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-11 02:25:54,342 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2021-10-11 02:25:54,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:54,343 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-11 02:25:54,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-11 02:25:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:25:54,345 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:54,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:54,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:54,565 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:54,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:54,566 INFO L82 PathProgramCache]: Analyzing trace with hash 655441665, now seen corresponding path program 1 times [2021-10-11 02:25:54,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:54,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932274836] [2021-10-11 02:25:54,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:54,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:54,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:54,835 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 02:25:54,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:54,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932274836] [2021-10-11 02:25:54,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:54,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:54,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235434122] [2021-10-11 02:25:54,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:54,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:54,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:54,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:54,842 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2021-10-11 02:25:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:54,931 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2021-10-11 02:25:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:54,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-10-11 02:25:54,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:54,935 INFO L225 Difference]: With dead ends: 131 [2021-10-11 02:25:54,935 INFO L226 Difference]: Without dead ends: 81 [2021-10-11 02:25:54,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:54,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-10-11 02:25:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2021-10-11 02:25:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2021-10-11 02:25:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2021-10-11 02:25:54,950 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2021-10-11 02:25:54,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:54,951 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2021-10-11 02:25:54,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:54,951 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2021-10-11 02:25:54,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:25:54,952 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:54,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:55,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:55,167 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:55,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:55,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1335383949, now seen corresponding path program 1 times [2021-10-11 02:25:55,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:55,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196970845] [2021-10-11 02:25:55,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:55,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:55,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:55,469 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 02:25:55,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:55,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196970845] [2021-10-11 02:25:55,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:55,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:55,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138750758] [2021-10-11 02:25:55,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:55,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:55,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:55,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:55,473 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2021-10-11 02:25:55,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:55,733 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2021-10-11 02:25:55,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:25:55,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:25:55,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:55,737 INFO L225 Difference]: With dead ends: 266 [2021-10-11 02:25:55,739 INFO L226 Difference]: Without dead ends: 194 [2021-10-11 02:25:55,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 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 02:25:55,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-11 02:25:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2021-10-11 02:25:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-10-11 02:25:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2021-10-11 02:25:55,775 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2021-10-11 02:25:55,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:55,776 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2021-10-11 02:25:55,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2021-10-11 02:25:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:25:55,777 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:55,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:55,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:55,978 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:55,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:55,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1094266678, now seen corresponding path program 1 times [2021-10-11 02:25:55,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:55,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555547288] [2021-10-11 02:25:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:56,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:56,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:56,286 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 02:25:56,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:56,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555547288] [2021-10-11 02:25:56,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:56,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:56,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430392497] [2021-10-11 02:25:56,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:56,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:56,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:56,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:56,292 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2021-10-11 02:25:56,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:56,420 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2021-10-11 02:25:56,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:56,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2021-10-11 02:25:56,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:56,423 INFO L225 Difference]: With dead ends: 198 [2021-10-11 02:25:56,423 INFO L226 Difference]: Without dead ends: 127 [2021-10-11 02:25:56,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 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 02:25:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-11 02:25:56,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-11 02:25:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:25:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2021-10-11 02:25:56,459 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2021-10-11 02:25:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:56,461 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2021-10-11 02:25:56,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2021-10-11 02:25:56,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:25:56,465 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:56,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:56,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:25:56,677 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:56,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:56,677 INFO L82 PathProgramCache]: Analyzing trace with hash 83149428, now seen corresponding path program 1 times [2021-10-11 02:25:56,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:56,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798228330] [2021-10-11 02:25:56,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:56,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:25:56,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:56,978 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 02:25:56,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:56,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798228330] [2021-10-11 02:25:56,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:56,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:56,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228080009] [2021-10-11 02:25:56,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:25:56,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:56,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:25:56,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:25:56,983 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 4 states. [2021-10-11 02:25:57,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:57,045 INFO L93 Difference]: Finished difference Result 193 states and 260 transitions. [2021-10-11 02:25:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:25:57,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-10-11 02:25:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:57,047 INFO L225 Difference]: With dead ends: 193 [2021-10-11 02:25:57,047 INFO L226 Difference]: Without dead ends: 116 [2021-10-11 02:25:57,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 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 02:25:57,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-11 02:25:57,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2021-10-11 02:25:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-10-11 02:25:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2021-10-11 02:25:57,061 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2021-10-11 02:25:57,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:57,061 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2021-10-11 02:25:57,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:25:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2021-10-11 02:25:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:25:57,063 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:57,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:57,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:25:57,286 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:57,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:57,287 INFO L82 PathProgramCache]: Analyzing trace with hash -937918926, now seen corresponding path program 1 times [2021-10-11 02:25:57,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:57,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825471614] [2021-10-11 02:25:57,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:57,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:57,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:57,573 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 02:25:57,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:57,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825471614] [2021-10-11 02:25:57,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:57,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:57,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607862516] [2021-10-11 02:25:57,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:57,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:57,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:57,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:57,575 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2021-10-11 02:25:57,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:57,623 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2021-10-11 02:25:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:57,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-10-11 02:25:57,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:57,625 INFO L225 Difference]: With dead ends: 197 [2021-10-11 02:25:57,626 INFO L226 Difference]: Without dead ends: 116 [2021-10-11 02:25:57,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 02:25:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-10-11 02:25:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-10-11 02:25:57,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-10-11 02:25:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2021-10-11 02:25:57,646 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2021-10-11 02:25:57,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:57,647 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2021-10-11 02:25:57,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2021-10-11 02:25:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-11 02:25:57,648 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:57,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:57,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:25:57,864 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:57,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:57,864 INFO L82 PathProgramCache]: Analyzing trace with hash 597879026, now seen corresponding path program 1 times [2021-10-11 02:25:57,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:57,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897250441] [2021-10-11 02:25:57,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:25:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:58,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:25:58,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:58,238 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 02:25:58,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:58,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897250441] [2021-10-11 02:25:58,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:58,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:58,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518267078] [2021-10-11 02:25:58,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:25:58,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:58,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:25:58,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:58,241 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 6 states. [2021-10-11 02:26:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:00,241 INFO L93 Difference]: Finished difference Result 555 states and 747 transitions. [2021-10-11 02:26:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:26:00,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2021-10-11 02:26:00,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:00,247 INFO L225 Difference]: With dead ends: 555 [2021-10-11 02:26:00,247 INFO L226 Difference]: Without dead ends: 474 [2021-10-11 02:26:00,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:26:00,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-10-11 02:26:00,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 201. [2021-10-11 02:26:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2021-10-11 02:26:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 263 transitions. [2021-10-11 02:26:00,283 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 263 transitions. Word has length 38 [2021-10-11 02:26:00,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:00,284 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 263 transitions. [2021-10-11 02:26:00,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:26:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 263 transitions. [2021-10-11 02:26:00,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-11 02:26:00,289 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:00,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:00,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:26:00,506 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:00,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:00,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1086391584, now seen corresponding path program 1 times [2021-10-11 02:26:00,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:00,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872338376] [2021-10-11 02:26:00,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:26:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:00,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:00,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:26:00,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:00,877 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:26:00,878 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:26:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:26:00,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872338376] [2021-10-11 02:26:00,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [188285059] [2021-10-11 02:26:00,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:01,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:26:01,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:01,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:01,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065534440] [2021-10-11 02:26:01,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:01,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:01,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:01,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:01,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:26:01,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-11 02:26:01,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910968784] [2021-10-11 02:26:01,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-10-11 02:26:01,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:01,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-11 02:26:01,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:26:01,859 INFO L87 Difference]: Start difference. First operand 201 states and 263 transitions. Second operand 14 states. [2021-10-11 02:26:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:14,462 INFO L93 Difference]: Finished difference Result 1389 states and 1927 transitions. [2021-10-11 02:26:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-11 02:26:14,462 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2021-10-11 02:26:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:14,470 INFO L225 Difference]: With dead ends: 1389 [2021-10-11 02:26:14,470 INFO L226 Difference]: Without dead ends: 1195 [2021-10-11 02:26:14,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2479 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2021-10-11 02:26:14,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2021-10-11 02:26:14,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 272. [2021-10-11 02:26:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2021-10-11 02:26:14,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 352 transitions. [2021-10-11 02:26:14,517 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 352 transitions. Word has length 61 [2021-10-11 02:26:14,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:14,518 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 352 transitions. [2021-10-11 02:26:14,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-10-11 02:26:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 352 transitions. [2021-10-11 02:26:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-11 02:26:14,522 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:14,522 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:15,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:15,137 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:15,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:15,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1987997859, now seen corresponding path program 1 times [2021-10-11 02:26:15,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:15,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423491961] [2021-10-11 02:26:15,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/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 02:26:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:15,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:15,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-11 02:26:15,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:15,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423491961] [2021-10-11 02:26:15,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:15,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:15,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408298696] [2021-10-11 02:26:15,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:15,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:15,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:15,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:15,495 INFO L87 Difference]: Start difference. First operand 272 states and 352 transitions. Second operand 5 states. [2021-10-11 02:26:15,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:15,565 INFO L93 Difference]: Finished difference Result 467 states and 596 transitions. [2021-10-11 02:26:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:15,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2021-10-11 02:26:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:15,566 INFO L225 Difference]: With dead ends: 467 [2021-10-11 02:26:15,566 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:15,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 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 02:26:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:15,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:15,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2021-10-11 02:26:15,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:15,569 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:15,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:15,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:15,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2021-10-11 02:26:15,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:16,085 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2021-10-11 02:26:17,177 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2021-10-11 02:26:17,569 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 23 [2021-10-11 02:26:17,682 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2021-10-11 02:26:18,037 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 27 [2021-10-11 02:26:18,361 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2021-10-11 02:26:18,747 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 23 [2021-10-11 02:26:19,210 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2021-10-11 02:26:19,455 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2021-10-11 02:26:19,824 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 23 [2021-10-11 02:26:19,908 INFO L262 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L763(lines 763 767) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L763-2(lines 757 768) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L830(lines 830 838) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L830-1(lines 830 838) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L830-2(lines 830 838) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L830-3(lines 830 838) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L830-4(lines 830 838) no Hoare annotation was computed. [2021-10-11 02:26:19,909 INFO L262 CegarLoopResult]: For program point L830-5(lines 830 838) no Hoare annotation was computed. [2021-10-11 02:26:19,910 INFO L262 CegarLoopResult]: For program point L699(lines 699 709) no Hoare annotation was computed. [2021-10-11 02:26:19,910 INFO L262 CegarLoopResult]: For program point L699-2(lines 699 709) no Hoare annotation was computed. [2021-10-11 02:26:19,910 INFO L262 CegarLoopResult]: For program point L699-4(lines 699 709) no Hoare annotation was computed. [2021-10-11 02:26:19,911 INFO L262 CegarLoopResult]: For program point L204(lines 204 208) no Hoare annotation was computed. [2021-10-11 02:26:19,912 INFO L262 CegarLoopResult]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2021-10-11 02:26:19,912 INFO L262 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-11 02:26:19,912 INFO L262 CegarLoopResult]: For program point L105-1(lines 105 109) no Hoare annotation was computed. [2021-10-11 02:26:19,912 INFO L262 CegarLoopResult]: For program point L204-6(lines 204 208) no Hoare annotation was computed. [2021-10-11 02:26:19,913 INFO L258 CegarLoopResult]: At program point L997(lines 982 1000) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:19,913 INFO L258 CegarLoopResult]: At program point L997-1(lines 982 1000) the Hoare annotation is: false [2021-10-11 02:26:19,913 INFO L258 CegarLoopResult]: At program point L997-2(lines 982 1000) the Hoare annotation is: false [2021-10-11 02:26:19,913 INFO L262 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2021-10-11 02:26:19,914 INFO L262 CegarLoopResult]: For program point L700-2(lines 700 706) no Hoare annotation was computed. [2021-10-11 02:26:19,914 INFO L262 CegarLoopResult]: For program point L700-4(lines 700 706) no Hoare annotation was computed. [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L801(lines 801 807) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L801-1(lines 801 807) the Hoare annotation is: false [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L801-2(lines 801 807) the Hoare annotation is: false [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3 .cse4) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse3))) [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2021-10-11 02:26:19,915 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L241(lines 236 244) the Hoare annotation is: false [2021-10-11 02:26:19,915 INFO L258 CegarLoopResult]: At program point L241-1(lines 236 244) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:26:19,916 INFO L258 CegarLoopResult]: At program point L241-2(lines 236 244) the Hoare annotation is: false [2021-10-11 02:26:19,916 INFO L258 CegarLoopResult]: At program point L241-3(lines 236 244) the Hoare annotation is: false [2021-10-11 02:26:19,916 INFO L258 CegarLoopResult]: At program point L241-4(lines 236 244) the Hoare annotation is: false [2021-10-11 02:26:19,916 INFO L258 CegarLoopResult]: At program point L76(lines 1 1000) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:19,916 INFO L258 CegarLoopResult]: At program point L241-5(lines 236 244) the Hoare annotation is: false [2021-10-11 02:26:19,916 INFO L262 CegarLoopResult]: For program point L737(lines 737 743) no Hoare annotation was computed. [2021-10-11 02:26:19,916 INFO L258 CegarLoopResult]: At program point L737-1(lines 737 743) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:26:19,916 INFO L262 CegarLoopResult]: For program point L178(lines 178 185) no Hoare annotation was computed. [2021-10-11 02:26:19,916 INFO L265 CegarLoopResult]: At program point L178-1(lines 178 185) the Hoare annotation is: true [2021-10-11 02:26:19,916 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:26:19,917 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:26:19,917 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:26:19,917 INFO L258 CegarLoopResult]: At program point L773(lines 726 774) the Hoare annotation is: false [2021-10-11 02:26:19,917 INFO L258 CegarLoopResult]: At program point L674(lines 669 676) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:19,917 INFO L262 CegarLoopResult]: For program point L972(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,917 INFO L262 CegarLoopResult]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,917 INFO L262 CegarLoopResult]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-9(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-11(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-12(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-14(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-15(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L972-17(lines 972 976) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:26:19,918 INFO L262 CegarLoopResult]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:26:19,919 INFO L262 CegarLoopResult]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:26:19,919 INFO L262 CegarLoopResult]: For program point L281-3(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:26:19,919 INFO L262 CegarLoopResult]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:26:19,919 INFO L262 CegarLoopResult]: For program point L281-5(lines 281 287) no Hoare annotation was computed. [2021-10-11 02:26:19,919 INFO L262 CegarLoopResult]: For program point L216(lines 216 220) no Hoare annotation was computed. [2021-10-11 02:26:19,919 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:19,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:19,919 INFO L258 CegarLoopResult]: At program point L152(lines 148 154) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:19,919 INFO L258 CegarLoopResult]: At program point L978(lines 963 981) the Hoare annotation is: false [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L978-1(lines 963 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2))) [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L978-3(lines 963 981) the Hoare annotation is: false [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L978-4(lines 963 981) the Hoare annotation is: false [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L978-5(lines 963 981) the Hoare annotation is: false [2021-10-11 02:26:19,920 INFO L262 CegarLoopResult]: For program point L747(lines 747 753) no Hoare annotation was computed. [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L747-1(lines 747 753) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L286(lines 277 290) the Hoare annotation is: false [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L286-1(lines 277 290) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))))) [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L286-2(lines 277 290) the Hoare annotation is: false [2021-10-11 02:26:19,920 INFO L258 CegarLoopResult]: At program point L286-3(lines 277 290) the Hoare annotation is: false [2021-10-11 02:26:19,921 INFO L265 CegarLoopResult]: At program point L187(lines 168 190) the Hoare annotation is: true [2021-10-11 02:26:19,921 INFO L258 CegarLoopResult]: At program point L286-4(lines 277 290) the Hoare annotation is: false [2021-10-11 02:26:19,921 INFO L258 CegarLoopResult]: At program point L286-5(lines 277 290) the Hoare annotation is: false [2021-10-11 02:26:19,921 INFO L258 CegarLoopResult]: At program point L914(lines 907 917) the Hoare annotation is: false [2021-10-11 02:26:19,921 INFO L258 CegarLoopResult]: At program point L914-1(lines 907 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:26:19,921 INFO L258 CegarLoopResult]: At program point L914-2(lines 907 917) the Hoare annotation is: false [2021-10-11 02:26:19,921 INFO L258 CegarLoopResult]: At program point L914-3(lines 907 917) the Hoare annotation is: false [2021-10-11 02:26:19,921 INFO L258 CegarLoopResult]: At program point L914-4(lines 907 917) the Hoare annotation is: false [2021-10-11 02:26:19,922 INFO L258 CegarLoopResult]: At program point L914-5(lines 907 917) the Hoare annotation is: false [2021-10-11 02:26:19,922 INFO L258 CegarLoopResult]: At program point L684(lines 794 800) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse1) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse1))) [2021-10-11 02:26:19,922 INFO L258 CegarLoopResult]: At program point L684-1(lines 794 800) the Hoare annotation is: false [2021-10-11 02:26:19,922 INFO L258 CegarLoopResult]: At program point L684-2(lines 794 800) the Hoare annotation is: false [2021-10-11 02:26:19,922 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:19,922 INFO L262 CegarLoopResult]: For program point L852(lines 852 869) no Hoare annotation was computed. [2021-10-11 02:26:19,922 INFO L262 CegarLoopResult]: For program point L852-1(lines 852 869) no Hoare annotation was computed. [2021-10-11 02:26:19,922 INFO L262 CegarLoopResult]: For program point L852-2(lines 852 869) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point L856(lines 856 864) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point L856-1(lines 856 864) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point L856-2(lines 856 864) no Hoare annotation was computed. [2021-10-11 02:26:19,923 INFO L262 CegarLoopResult]: For program point L757(lines 757 768) no Hoare annotation was computed. [2021-10-11 02:26:19,924 INFO L262 CegarLoopResult]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2021-10-11 02:26:19,924 INFO L262 CegarLoopResult]: For program point L889-6(lines 889 895) no Hoare annotation was computed. [2021-10-11 02:26:19,924 INFO L262 CegarLoopResult]: For program point L889-8(lines 889 895) no Hoare annotation was computed. [2021-10-11 02:26:19,924 INFO L262 CegarLoopResult]: For program point L889-10(lines 889 895) no Hoare annotation was computed. [2021-10-11 02:26:19,924 INFO L258 CegarLoopResult]: At program point L923(lines 918 926) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))))) [2021-10-11 02:26:19,924 INFO L258 CegarLoopResult]: At program point L923-1(lines 918 926) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:19,924 INFO L258 CegarLoopResult]: At program point L923-2(lines 918 926) the Hoare annotation is: false [2021-10-11 02:26:19,925 INFO L258 CegarLoopResult]: At program point L923-3(lines 918 926) the Hoare annotation is: false [2021-10-11 02:26:19,925 INFO L258 CegarLoopResult]: At program point L923-4(lines 918 926) the Hoare annotation is: false [2021-10-11 02:26:19,925 INFO L258 CegarLoopResult]: At program point L923-5(lines 918 926) the Hoare annotation is: false [2021-10-11 02:26:19,925 INFO L258 CegarLoopResult]: At program point L296(lines 291 299) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:19,925 INFO L258 CegarLoopResult]: At program point L296-1(lines 291 299) the Hoare annotation is: false [2021-10-11 02:26:19,925 INFO L258 CegarLoopResult]: At program point L296-2(lines 291 299) the Hoare annotation is: false [2021-10-11 02:26:19,925 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point L991(lines 991 995) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point L991-2(lines 991 995) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point L991-3(lines 991 995) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point L826(lines 826 843) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point L991-5(lines 991 995) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point L826-1(lines 826 843) no Hoare annotation was computed. [2021-10-11 02:26:19,926 INFO L262 CegarLoopResult]: For program point L991-6(lines 991 995) no Hoare annotation was computed. [2021-10-11 02:26:19,927 INFO L262 CegarLoopResult]: For program point L826-2(lines 826 843) no Hoare annotation was computed. [2021-10-11 02:26:19,927 INFO L262 CegarLoopResult]: For program point L826-3(lines 826 843) no Hoare annotation was computed. [2021-10-11 02:26:19,927 INFO L262 CegarLoopResult]: For program point L991-8(lines 991 995) no Hoare annotation was computed. [2021-10-11 02:26:19,927 INFO L262 CegarLoopResult]: For program point L826-4(lines 826 843) no Hoare annotation was computed. [2021-10-11 02:26:19,927 INFO L262 CegarLoopResult]: For program point L826-5(lines 826 843) no Hoare annotation was computed. [2021-10-11 02:26:19,927 INFO L258 CegarLoopResult]: At program point L794(lines 790 812) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse3 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2))) [2021-10-11 02:26:19,928 INFO L258 CegarLoopResult]: At program point L794-1(lines 790 812) the Hoare annotation is: false [2021-10-11 02:26:19,928 INFO L262 CegarLoopResult]: For program point L728(lines 727 772) no Hoare annotation was computed. [2021-10-11 02:26:19,928 INFO L258 CegarLoopResult]: At program point L794-2(lines 790 812) the Hoare annotation is: false [2021-10-11 02:26:19,928 INFO L262 CegarLoopResult]: For program point L695(lines 695 712) no Hoare annotation was computed. [2021-10-11 02:26:19,928 INFO L258 CegarLoopResult]: At program point L695-1(lines 1 1000) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4)) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse3 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse1 .cse4 .cse2 .cse5))) [2021-10-11 02:26:19,928 INFO L262 CegarLoopResult]: For program point L695-2(lines 695 712) no Hoare annotation was computed. [2021-10-11 02:26:19,928 INFO L258 CegarLoopResult]: At program point L695-3(lines 1 1000) the Hoare annotation is: false [2021-10-11 02:26:19,929 INFO L262 CegarLoopResult]: For program point L695-4(lines 695 712) no Hoare annotation was computed. [2021-10-11 02:26:19,929 INFO L258 CegarLoopResult]: At program point L695-5(lines 1 1000) the Hoare annotation is: false [2021-10-11 02:26:19,929 INFO L258 CegarLoopResult]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2021-10-11 02:26:20,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:20 BoogieIcfgContainer [2021-10-11 02:26:20,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:20,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:20,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:20,001 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:20,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:52" (3/4) ... [2021-10-11 02:26:20,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:20,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:26:20,036 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:26:20,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:26:20,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:26:20,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:26:20,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:20,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:20,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 2bv32 == tmp) && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 2bv32 == tmp) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:26:20,075 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:26:20,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:20,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:20,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:20,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:26:20,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:26:20,081 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:26:20,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:26:20,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:26:20,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8199203f-06d9-44e9-b55a-ac5083168e6b/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:20,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:20,188 INFO L168 Benchmark]: Toolchain (without parser) took 31939.35 ms. Allocated memory was 56.6 MB in the beginning and 123.7 MB in the end (delta: 67.1 MB). Free memory was 33.4 MB in the beginning and 37.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 64.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:20,188 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:20,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.51 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 33.2 MB in the beginning and 55.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:20,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.34 ms. Allocated memory is still 79.7 MB. Free memory was 55.4 MB in the beginning and 51.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:20,189 INFO L168 Benchmark]: Boogie Preprocessor took 103.00 ms. Allocated memory is still 79.7 MB. Free memory was 51.2 MB in the beginning and 48.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:20,190 INFO L168 Benchmark]: RCFGBuilder took 2971.66 ms. Allocated memory is still 79.7 MB. Free memory was 48.2 MB in the beginning and 56.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:20,190 INFO L168 Benchmark]: TraceAbstraction took 27737.00 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 56.2 MB in the beginning and 48.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:20,191 INFO L168 Benchmark]: Witness Printer took 185.60 ms. Allocated memory is still 123.7 MB. Free memory was 48.6 MB in the beginning and 37.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:20,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 816.51 ms. Allocated memory was 56.6 MB in the beginning and 79.7 MB in the end (delta: 23.1 MB). Free memory was 33.2 MB in the beginning and 55.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.34 ms. Allocated memory is still 79.7 MB. Free memory was 55.4 MB in the beginning and 51.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.00 ms. Allocated memory is still 79.7 MB. Free memory was 51.2 MB in the beginning and 48.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2971.66 ms. Allocated memory is still 79.7 MB. Free memory was 48.2 MB in the beginning and 56.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27737.00 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 56.2 MB in the beginning and 48.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. * Witness Printer took 185.60 ms. Allocated memory is still 123.7 MB. Free memory was 48.6 MB in the beginning and 37.1 MB in the end (delta: 11.5 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((splverifierCounter == 0bv32 && 2bv32 == tmp) && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((splverifierCounter == 0bv32 && 2bv32 == tmp) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((tmp___0 == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1397 SDtfs, 2722 SDslu, 3739 SDs, 0 SdLazy, 963 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 894 GetRequests, 778 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2492 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1385 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 143 NumberOfFragments, 755 HoareAnnotationTreeSize, 61 FomulaSimplifications, 84424 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 28729 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 735 ConstructedInterpolants, 0 QuantifiedInterpolants, 93977 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2975 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 184/208 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...