./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE --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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b ............................................................................................................................................ 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_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE --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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:02:34,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:02:34,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:02:34,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:02:34,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:02:34,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:02:34,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:02:34,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:02:34,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:02:34,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:02:34,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:02:34,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:02:34,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:02:34,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:02:34,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:02:34,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:02:34,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:02:34,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:02:34,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:02:34,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:02:34,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:02:34,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:02:34,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:02:34,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:02:34,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:02:34,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:02:35,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:02:35,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:02:35,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:02:35,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:02:35,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:02:35,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:02:35,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:02:35,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:02:35,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:02:35,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:02:35,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:02:35,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:02:35,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:02:35,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:02:35,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:02:35,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:02:35,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:02:35,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:02:35,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:02:35,047 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:02:35,047 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:02:35,047 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:02:35,047 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:02:35,048 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:02:35,048 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:02:35,048 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:02:35,048 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:02:35,049 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:02:35,049 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:02:35,049 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:02:35,049 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:02:35,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:02:35,050 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:02:35,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:02:35,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:02:35,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:02:35,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:02:35,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:02:35,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:02:35,052 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:02:35,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:02:35,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:02:35,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:02:35,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:02:35,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:02:35,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:02:35,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:35,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:02:35,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:02:35,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:02:35,055 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:02:35,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:02:35,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:02:35,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:02:35,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:02:35,056 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_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2021-10-24 10:02:35,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:02:35,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:02:35,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:02:35,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:02:35,453 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:02:35,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-24 10:02:35,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/f050aa872/8913e74f09ab466c9145eb883b4d15b2/FLAGc1f1122c8 [2021-10-24 10:02:36,141 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:02:36,142 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-24 10:02:36,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/f050aa872/8913e74f09ab466c9145eb883b4d15b2/FLAGc1f1122c8 [2021-10-24 10:02:36,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/f050aa872/8913e74f09ab466c9145eb883b4d15b2 [2021-10-24 10:02:36,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:02:36,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:02:36,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:36,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:02:36,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:02:36,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:36" (1/1) ... [2021-10-24 10:02:36,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a173b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:36, skipping insertion in model container [2021-10-24 10:02:36,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:36" (1/1) ... [2021-10-24 10:02:36,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:02:36,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:36,799 WARN L228 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_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-10-24 10:02:37,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:37,028 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) [2021-10-24 10:02:37,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dc8f949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:37, skipping insertion in model container [2021-10-24 10:02:37,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:37,029 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:02:37,032 INFO L168 Benchmark]: Toolchain (without parser) took 553.83 ms. Allocated memory is still 102.8 MB. Free memory was 61.6 MB in the beginning and 74.6 MB in the end (delta: -13.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:37,033 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 78.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:02:37,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.59 ms. Allocated memory is still 102.8 MB. Free memory was 61.4 MB in the beginning and 74.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:02:37,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 78.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 530.59 ms. Allocated memory is still 102.8 MB. Free memory was 61.4 MB in the beginning and 74.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 316]: 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 0.2.1-dev-e943c26 [2021-10-24 10:02:39,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:02:39,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:02:39,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:02:39,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:02:39,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:02:39,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:02:39,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:02:39,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:02:39,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:02:39,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:02:39,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:02:39,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:02:39,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:02:39,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:02:39,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:02:39,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:02:39,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:02:39,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:02:39,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:02:39,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:02:39,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:02:39,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:02:39,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:02:39,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:02:39,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:02:39,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:02:39,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:02:39,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:02:39,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:02:39,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:02:39,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:02:39,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:02:39,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:02:39,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:02:39,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:02:39,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:02:39,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:02:39,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:02:39,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:02:39,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:02:39,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:02:39,900 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:02:39,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:02:39,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:02:39,902 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:02:39,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:02:39,902 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:02:39,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:02:39,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:02:39,902 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:02:39,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:02:39,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:02:39,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:02:39,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:02:39,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:02:39,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:02:39,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:02:39,906 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:02:39,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:02:39,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:02:39,907 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:02:39,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:02:39,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:02:39,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:02:39,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:02:39,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:02:39,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:02:39,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:39,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:02:39,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:02:39,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:02:39,909 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:02:39,909 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:02:39,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:02:39,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:02:39,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:02:39,910 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_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2021-10-24 10:02:40,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:02:40,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:02:40,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:02:40,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:02:40,405 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:02:40,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-24 10:02:40,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/35bd64120/48281376e38d4020b4bdb3e05f2c6679/FLAGd5ccac316 [2021-10-24 10:02:41,304 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:02:41,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-24 10:02:41,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/35bd64120/48281376e38d4020b4bdb3e05f2c6679/FLAGd5ccac316 [2021-10-24 10:02:41,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/data/35bd64120/48281376e38d4020b4bdb3e05f2c6679 [2021-10-24 10:02:41,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:02:41,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:02:41,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:41,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:02:41,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:02:41,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:41,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9faa6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41, skipping insertion in model container [2021-10-24 10:02:41,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:41,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:02:41,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:41,632 WARN L228 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_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-10-24 10:02:41,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:41,786 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:02:41,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:02:41,800 WARN L228 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_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-10-24 10:02:41,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:41,879 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:02:41,894 WARN L228 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_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-10-24 10:02:41,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:02:41,985 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:02:41,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41 WrapperNode [2021-10-24 10:02:41,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:02:41,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:02:41,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:02:41,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:02:41,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:02:42,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:02:42,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:02:42,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:02:42,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:02:42,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:02:42,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:02:42,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:02:42,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (1/1) ... [2021-10-24 10:02:42,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:02:42,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:02:42,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:02:42,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:02:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:02:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:02:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:02:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:02:44,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:02:44,981 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-10-24 10:02:44,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:44 BoogieIcfgContainer [2021-10-24 10:02:44,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:02:44,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:02:44,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:02:44,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:02:44,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:02:41" (1/3) ... [2021-10-24 10:02:44,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a88a4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:02:44, skipping insertion in model container [2021-10-24 10:02:44,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:02:41" (2/3) ... [2021-10-24 10:02:44,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a88a4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:02:44, skipping insertion in model container [2021-10-24 10:02:44,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:44" (3/3) ... [2021-10-24 10:02:44,993 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-10-24 10:02:45,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:02:45,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:02:45,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:02:45,062 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:02:45,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:02:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:02:45,099 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:45,100 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:45,101 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:45,108 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2021-10-24 10:02:45,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:45,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149350023] [2021-10-24 10:02:45,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:45,126 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:45,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:45,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:45,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:02:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:45,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:02:45,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:45,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:45,567 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:45,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149350023] [2021-10-24 10:02:45,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149350023] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:45,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:45,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:02:45,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400310331] [2021-10-24 10:02:45,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:02:45,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:45,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:02:45,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:02:45,598 INFO L87 Difference]: Start difference. First operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:45,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:45,650 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-24 10:02:45,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:02:45,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:02:45,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:45,665 INFO L225 Difference]: With dead ends: 171 [2021-10-24 10:02:45,665 INFO L226 Difference]: Without dead ends: 85 [2021-10-24 10:02:45,670 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:02:45,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-24 10:02:45,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-24 10:02:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 84 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-24 10:02:45,732 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-24 10:02:45,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:45,733 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-24 10:02:45,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-24 10:02:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:02:45,735 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:45,735 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:45,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:45,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:45,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:45,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:45,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2021-10-24 10:02:45,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:45,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812475961] [2021-10-24 10:02:45,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:45,953 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:45,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:45,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:45,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:02:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:46,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:46,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:46,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:46,394 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:46,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812475961] [2021-10-24 10:02:46,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812475961] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:46,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:46,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:02:46,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159583330] [2021-10-24 10:02:46,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:46,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:46,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:46,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:46,402 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:46,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:46,431 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-24 10:02:46,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:02:46,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-24 10:02:46,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:46,434 INFO L225 Difference]: With dead ends: 85 [2021-10-24 10:02:46,434 INFO L226 Difference]: Without dead ends: 40 [2021-10-24 10:02:46,438 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:46,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-24 10:02:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-24 10:02:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-24 10:02:46,452 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-24 10:02:46,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:46,453 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-24 10:02:46,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-24 10:02:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:02:46,455 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:46,461 INFO L512 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] [2021-10-24 10:02:46,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:46,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:46,670 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:46,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:46,671 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2021-10-24 10:02:46,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:46,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935272851] [2021-10-24 10:02:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:46,673 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:46,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:46,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:46,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:02:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:46,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:46,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:47,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:47,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:47,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935272851] [2021-10-24 10:02:47,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935272851] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:47,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:47,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:02:47,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905417757] [2021-10-24 10:02:47,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:47,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:47,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:47,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:47,134 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:47,210 INFO L93 Difference]: Finished difference Result 132 states and 192 transitions. [2021-10-24 10:02:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:02:47,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:02:47,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:47,216 INFO L225 Difference]: With dead ends: 132 [2021-10-24 10:02:47,216 INFO L226 Difference]: Without dead ends: 99 [2021-10-24 10:02:47,217 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:47,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-24 10:02:47,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 62. [2021-10-24 10:02:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2021-10-24 10:02:47,234 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2021-10-24 10:02:47,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:47,234 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2021-10-24 10:02:47,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2021-10-24 10:02:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:02:47,239 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:47,239 INFO L512 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] [2021-10-24 10:02:47,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:47,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:47,463 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:47,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:47,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2021-10-24 10:02:47,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:47,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658362332] [2021-10-24 10:02:47,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:47,468 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:47,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:47,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:47,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:02:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:47,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:47,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:47,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:47,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:47,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658362332] [2021-10-24 10:02:47,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658362332] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:47,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:47,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:02:47,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947672501] [2021-10-24 10:02:47,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:02:47,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:02:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:02:47,834 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:47,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:47,920 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2021-10-24 10:02:47,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:02:47,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-24 10:02:47,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:47,922 INFO L225 Difference]: With dead ends: 141 [2021-10-24 10:02:47,922 INFO L226 Difference]: Without dead ends: 86 [2021-10-24 10:02:47,923 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:02:47,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-24 10:02:47,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2021-10-24 10:02:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:47,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2021-10-24 10:02:47,936 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2021-10-24 10:02:47,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:47,936 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2021-10-24 10:02:47,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-10-24 10:02:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 10:02:47,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:47,938 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:47,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:48,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:48,153 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:48,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:48,153 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2021-10-24 10:02:48,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:48,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37634795] [2021-10-24 10:02:48,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:48,154 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:48,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:02:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:48,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:48,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:48,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:48,638 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:48,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37634795] [2021-10-24 10:02:48,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37634795] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:48,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:48,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:02:48,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937761232] [2021-10-24 10:02:48,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:02:48,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:48,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:02:48,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:02:48,640 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:48,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:48,852 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2021-10-24 10:02:48,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:02:48,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-24 10:02:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:48,855 INFO L225 Difference]: With dead ends: 273 [2021-10-24 10:02:48,858 INFO L226 Difference]: Without dead ends: 196 [2021-10-24 10:02:48,860 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 66.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:02:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-24 10:02:48,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2021-10-24 10:02:48,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2021-10-24 10:02:48,881 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2021-10-24 10:02:48,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:48,882 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2021-10-24 10:02:48,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:48,882 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2021-10-24 10:02:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:02:48,889 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:48,890 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:48,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:49,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:49,107 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:49,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:49,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2021-10-24 10:02:49,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:49,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370440100] [2021-10-24 10:02:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:49,110 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:49,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:49,111 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:49,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:02:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:49,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:49,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:49,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:49,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:49,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370440100] [2021-10-24 10:02:49,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370440100] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:49,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:49,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:02:49,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339105470] [2021-10-24 10:02:49,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:02:49,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:49,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:02:49,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:02:49,643 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:49,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:49,711 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2021-10-24 10:02:49,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:02:49,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:02:49,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:49,713 INFO L225 Difference]: With dead ends: 240 [2021-10-24 10:02:49,713 INFO L226 Difference]: Without dead ends: 165 [2021-10-24 10:02:49,714 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:02:49,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-24 10:02:49,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2021-10-24 10:02:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-10-24 10:02:49,727 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2021-10-24 10:02:49,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:49,727 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-10-24 10:02:49,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:49,728 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-10-24 10:02:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:02:49,729 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:49,729 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:49,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:49,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:49,941 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2021-10-24 10:02:49,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:49,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395028621] [2021-10-24 10:02:49,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:49,943 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:49,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:49,944 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:49,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:02:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:50,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:02:50,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:50,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:50,437 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:50,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395028621] [2021-10-24 10:02:50,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395028621] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:50,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:50,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:02:50,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031118842] [2021-10-24 10:02:50,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:02:50,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:50,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:02:50,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:02:50,439 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:50,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:50,502 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2021-10-24 10:02:50,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:02:50,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:02:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:50,505 INFO L225 Difference]: With dead ends: 254 [2021-10-24 10:02:50,505 INFO L226 Difference]: Without dead ends: 176 [2021-10-24 10:02:50,505 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:02:50,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-10-24 10:02:50,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 87. [2021-10-24 10:02:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-10-24 10:02:50,523 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2021-10-24 10:02:50,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:50,523 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-10-24 10:02:50,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2021-10-24 10:02:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:02:50,524 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:50,524 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:02:50,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:50,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:50,741 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:50,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:50,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2021-10-24 10:02:50,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:50,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667199202] [2021-10-24 10:02:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:50,743 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:50,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:50,744 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:50,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:02:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:51,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:02:51,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:51,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:51,333 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:51,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667199202] [2021-10-24 10:02:51,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667199202] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:51,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:51,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:02:51,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818880397] [2021-10-24 10:02:51,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:02:51,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:51,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:02:51,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:51,336 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:51,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:51,409 INFO L93 Difference]: Finished difference Result 289 states and 393 transitions. [2021-10-24 10:02:51,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:02:51,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:02:51,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:51,411 INFO L225 Difference]: With dead ends: 289 [2021-10-24 10:02:51,412 INFO L226 Difference]: Without dead ends: 209 [2021-10-24 10:02:51,414 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:02:51,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-10-24 10:02:51,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 158. [2021-10-24 10:02:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2021-10-24 10:02:51,455 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 33 [2021-10-24 10:02:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:51,455 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2021-10-24 10:02:51,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2021-10-24 10:02:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:02:51,458 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:51,459 INFO L512 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] [2021-10-24 10:02:51,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:51,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:51,674 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:51,674 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2021-10-24 10:02:51,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:51,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970156554] [2021-10-24 10:02:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:51,675 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:51,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:51,676 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:51,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:02:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:52,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:02:52,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:52,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:52,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:52,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970156554] [2021-10-24 10:02:52,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970156554] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:02:52,361 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:02:52,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:02:52,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412526504] [2021-10-24 10:02:52,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:02:52,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:52,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:02:52,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:02:52,363 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:54,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:02:54,061 INFO L93 Difference]: Finished difference Result 788 states and 1075 transitions. [2021-10-24 10:02:54,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:02:54,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:02:54,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:02:54,066 INFO L225 Difference]: With dead ends: 788 [2021-10-24 10:02:54,067 INFO L226 Difference]: Without dead ends: 637 [2021-10-24 10:02:54,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 72.4ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:02:54,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-10-24 10:02:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 298. [2021-10-24 10:02:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 297 states have (on average 1.3367003367003367) internal successors, (397), 297 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 397 transitions. [2021-10-24 10:02:54,134 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 397 transitions. Word has length 34 [2021-10-24 10:02:54,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:02:54,135 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 397 transitions. [2021-10-24 10:02:54,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:02:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 397 transitions. [2021-10-24 10:02:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-24 10:02:54,136 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:02:54,136 INFO L512 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] [2021-10-24 10:02:54,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:02:54,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:02:54,349 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:02:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:02:54,350 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2021-10-24 10:02:54,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:02:54,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426281760] [2021-10-24 10:02:54,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:54,350 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:02:54,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:02:54,351 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:02:54,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:02:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:54,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:54,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:54,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:55,080 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:02:55,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426281760] [2021-10-24 10:02:55,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426281760] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:02:55,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1424062973] [2021-10-24 10:02:55,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:55,081 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:02:55,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:02:55,083 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:02:55,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 10:02:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:55,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:02:55,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:55,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:55,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1424062973] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:02:55,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004138415] [2021-10-24 10:02:55,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:02:55,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:02:55,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:02:55,840 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:02:55,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 10:02:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:02:56,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:02:56,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:02:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:56,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:02:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:02:56,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004138415] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:02:56,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:02:56,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-10-24 10:02:56,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147320287] [2021-10-24 10:02:56,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-24 10:02:56,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:02:56,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-24 10:02:56,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:02:56,511 INFO L87 Difference]: Start difference. First operand 298 states and 397 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:01,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:03:01,206 INFO L93 Difference]: Finished difference Result 662 states and 889 transitions. [2021-10-24 10:03:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 10:03:01,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-24 10:03:01,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:03:01,209 INFO L225 Difference]: With dead ends: 662 [2021-10-24 10:03:01,210 INFO L226 Difference]: Without dead ends: 371 [2021-10-24 10:03:01,211 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 188.5ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-24 10:03:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-10-24 10:03:01,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 304. [2021-10-24 10:03:01,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2937293729372936) internal successors, (392), 303 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 392 transitions. [2021-10-24 10:03:01,272 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 392 transitions. Word has length 51 [2021-10-24 10:03:01,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:03:01,272 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 392 transitions. [2021-10-24 10:03:01,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 392 transitions. [2021-10-24 10:03:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-24 10:03:01,274 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:03:01,275 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-10-24 10:03:01,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:01,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:01,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:01,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:03:01,890 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:03:01,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:03:01,890 INFO L82 PathProgramCache]: Analyzing trace with hash 486649266, now seen corresponding path program 1 times [2021-10-24 10:03:01,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:03:01,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [238342920] [2021-10-24 10:03:01,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:01,891 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:03:01,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:03:01,892 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:03:01,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:03:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:02,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:03:02,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:03:02,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:03:03,077 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:03:03,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [238342920] [2021-10-24 10:03:03,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [238342920] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:03:03,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [366386675] [2021-10-24 10:03:03,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:03,078 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:03:03,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:03:03,086 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:03:03,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 10:03:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:03,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:03:03,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 10:03:03,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 10:03:04,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [366386675] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:03:04,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:03:04,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-10-24 10:03:04,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969369048] [2021-10-24 10:03:04,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:03:04,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:03:04,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:03:04,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:03:04,223 INFO L87 Difference]: Start difference. First operand 304 states and 392 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:03:06,051 INFO L93 Difference]: Finished difference Result 609 states and 785 transitions. [2021-10-24 10:03:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:03:06,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-10-24 10:03:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:03:06,055 INFO L225 Difference]: With dead ends: 609 [2021-10-24 10:03:06,055 INFO L226 Difference]: Without dead ends: 312 [2021-10-24 10:03:06,056 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 88.6ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:03:06,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-10-24 10:03:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2021-10-24 10:03:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.2805280528052805) internal successors, (388), 303 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 388 transitions. [2021-10-24 10:03:06,119 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 388 transitions. Word has length 93 [2021-10-24 10:03:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:03:06,121 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 388 transitions. [2021-10-24 10:03:06,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 388 transitions. [2021-10-24 10:03:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-10-24 10:03:06,123 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:03:06,124 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:03:06,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:06,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2021-10-24 10:03:06,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:03:06,538 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:03:06,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:03:06,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1658849388, now seen corresponding path program 1 times [2021-10-24 10:03:06,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:03:06,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184840449] [2021-10-24 10:03:06,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:06,539 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:03:06,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:03:06,540 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:03:06,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-24 10:03:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:07,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:03:07,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-24 10:03:07,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-24 10:03:07,924 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:03:07,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184840449] [2021-10-24 10:03:07,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184840449] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:03:07,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1481926573] [2021-10-24 10:03:07,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:07,925 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:03:07,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:03:07,930 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:03:07,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-24 10:03:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:08,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:03:08,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:03:08,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:03:09,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1481926573] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:03:09,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237426978] [2021-10-24 10:03:09,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:09,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:03:09,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:03:09,386 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:03:09,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-24 10:03:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:10,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:03:10,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 115 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:03:10,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:03:10,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237426978] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-24 10:03:10,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-24 10:03:10,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 7, 7, 8] total 18 [2021-10-24 10:03:10,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402703297] [2021-10-24 10:03:10,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:03:10,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:03:10,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:03:10,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-10-24 10:03:10,825 INFO L87 Difference]: Start difference. First operand 304 states and 388 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:03:11,452 INFO L93 Difference]: Finished difference Result 1180 states and 1510 transitions. [2021-10-24 10:03:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 10:03:11,453 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-10-24 10:03:11,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:03:11,459 INFO L225 Difference]: With dead ends: 1180 [2021-10-24 10:03:11,459 INFO L226 Difference]: Without dead ends: 883 [2021-10-24 10:03:11,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 558.7ms TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2021-10-24 10:03:11,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2021-10-24 10:03:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 528. [2021-10-24 10:03:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2941176470588236) internal successors, (682), 527 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 682 transitions. [2021-10-24 10:03:11,563 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 682 transitions. Word has length 108 [2021-10-24 10:03:11,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:03:11,564 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 682 transitions. [2021-10-24 10:03:11,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 682 transitions. [2021-10-24 10:03:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-10-24 10:03:11,573 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:03:11,574 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-10-24 10:03:11,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:11,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:11,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:12,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:03:12,194 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:03:12,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:03:12,195 INFO L82 PathProgramCache]: Analyzing trace with hash 840796889, now seen corresponding path program 1 times [2021-10-24 10:03:12,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:03:12,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650063762] [2021-10-24 10:03:12,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:12,195 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:03:12,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:03:12,197 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:03:12,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-24 10:03:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:12,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:03:12,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:13,167 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-24 10:03:13,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-24 10:03:13,542 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:03:13,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650063762] [2021-10-24 10:03:13,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650063762] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:03:13,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:03:13,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:03:13,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166487558] [2021-10-24 10:03:13,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:03:13,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:03:13,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:03:13,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:03:13,546 INFO L87 Difference]: Start difference. First operand 528 states and 682 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:03:17,185 INFO L93 Difference]: Finished difference Result 1153 states and 1479 transitions. [2021-10-24 10:03:17,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:03:17,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-10-24 10:03:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:03:17,191 INFO L225 Difference]: With dead ends: 1153 [2021-10-24 10:03:17,191 INFO L226 Difference]: Without dead ends: 632 [2021-10-24 10:03:17,198 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 76.7ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:03:17,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-10-24 10:03:17,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 528. [2021-10-24 10:03:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.2770398481973435) internal successors, (673), 527 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 673 transitions. [2021-10-24 10:03:17,280 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 673 transitions. Word has length 110 [2021-10-24 10:03:17,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:03:17,281 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 673 transitions. [2021-10-24 10:03:17,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 673 transitions. [2021-10-24 10:03:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-24 10:03:17,283 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:03:17,284 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-10-24 10:03:17,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:17,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:03:17,495 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:03:17,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:03:17,496 INFO L82 PathProgramCache]: Analyzing trace with hash -433119222, now seen corresponding path program 1 times [2021-10-24 10:03:17,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:03:17,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062900952] [2021-10-24 10:03:17,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:17,497 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:03:17,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:03:17,498 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:03:17,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-24 10:03:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:18,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:03:18,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-24 10:03:18,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-24 10:03:19,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:03:19,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062900952] [2021-10-24 10:03:19,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062900952] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:03:19,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2043695080] [2021-10-24 10:03:19,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:19,089 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:03:19,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:03:19,098 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:03:19,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-24 10:03:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:20,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:03:20,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:03:20,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:03:20,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2043695080] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:03:20,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885404080] [2021-10-24 10:03:20,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:03:20,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:03:20,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:03:20,792 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:03:20,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-24 10:03:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:03:21,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:03:21,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:03:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:03:22,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:03:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:03:22,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885404080] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:03:22,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:03:22,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7, 7, 7, 7] total 18 [2021-10-24 10:03:22,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869889144] [2021-10-24 10:03:22,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-24 10:03:22,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:03:22,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-24 10:03:22,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-10-24 10:03:22,305 INFO L87 Difference]: Start difference. First operand 528 states and 673 transitions. Second operand has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:29,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:03:29,319 INFO L93 Difference]: Finished difference Result 1096 states and 1398 transitions. [2021-10-24 10:03:29,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 10:03:29,320 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-10-24 10:03:29,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:03:29,320 INFO L225 Difference]: With dead ends: 1096 [2021-10-24 10:03:29,320 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:03:29,322 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 443.0ms TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2021-10-24 10:03:29,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:03:29,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:03:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:03:29,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2021-10-24 10:03:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:03:29,324 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:03:29,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.11111111111111) internal successors, (200), 18 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:03:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:03:29,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:03:29,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:03:29,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:03:29,328 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:03:29,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:29,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:29,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-24 10:03:29,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:03:29,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:03:29,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:30,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:30,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:30,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:31,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:31,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:31,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:31,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:31,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:31,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:32,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:33,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:03:51,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 10:03:51,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:03:51,510 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 712) no Hoare annotation was computed. [2021-10-24 10:03:51,510 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 169) no Hoare annotation was computed. [2021-10-24 10:03:51,510 INFO L857 garLoopResultBuilder]: For program point L152-1(lines 152 169) no Hoare annotation was computed. [2021-10-24 10:03:51,511 INFO L857 garLoopResultBuilder]: For program point L152-2(lines 152 169) no Hoare annotation was computed. [2021-10-24 10:03:51,511 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2021-10-24 10:03:51,511 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 268 274) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)))) [2021-10-24 10:03:51,511 INFO L853 garLoopResultBuilder]: At program point L962(lines 953 966) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4 .cse5))) [2021-10-24 10:03:51,512 INFO L853 garLoopResultBuilder]: At program point L962-1(lines 953 966) the Hoare annotation is: false [2021-10-24 10:03:51,512 INFO L853 garLoopResultBuilder]: At program point L962-2(lines 953 966) the Hoare annotation is: false [2021-10-24 10:03:51,512 INFO L853 garLoopResultBuilder]: At program point L120(lines 116 138) the Hoare annotation is: (let ((.cse16 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse14 (= ~waterLevel~0 (_ bv2 32))) (.cse17 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (not .cse17)) (.cse13 (not .cse14)) (.cse7 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse10 (not .cse16)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse15 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse3 .cse9 .cse10) (and .cse0 .cse1 .cse8 .cse11 .cse3 .cse4 .cse12) (and .cse0 .cse5 .cse13 .cse1 .cse7 .cse8 .cse11 .cse3 .cse9 .cse12) (and .cse0 .cse14 .cse15 .cse1 .cse4) (and .cse0 .cse15 .cse1 .cse2 .cse4) (and .cse0 .cse5 .cse16 .cse13 .cse1 .cse7 .cse2 .cse3 .cse17 .cse9) (and .cse0 .cse14 .cse1 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse13 .cse1 .cse7 .cse2 .cse3 .cse9 .cse10) (and .cse0 .cse15 .cse1 .cse8 .cse11 .cse4 .cse12)))) [2021-10-24 10:03:51,512 INFO L853 garLoopResultBuilder]: At program point L120-1(lines 116 138) the Hoare annotation is: false [2021-10-24 10:03:51,512 INFO L853 garLoopResultBuilder]: At program point L120-2(lines 116 138) the Hoare annotation is: false [2021-10-24 10:03:51,512 INFO L857 garLoopResultBuilder]: For program point L880(lines 880 884) no Hoare annotation was computed. [2021-10-24 10:03:51,512 INFO L857 garLoopResultBuilder]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2021-10-24 10:03:51,513 INFO L857 garLoopResultBuilder]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2021-10-24 10:03:51,513 INFO L853 garLoopResultBuilder]: At program point L831(lines 826 833) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:03:51,513 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2021-10-24 10:03:51,513 INFO L857 garLoopResultBuilder]: For program point L254-2(lines 254 258) no Hoare annotation was computed. [2021-10-24 10:03:51,513 INFO L857 garLoopResultBuilder]: For program point L254-3(lines 254 258) no Hoare annotation was computed. [2021-10-24 10:03:51,513 INFO L857 garLoopResultBuilder]: For program point L254-5(lines 254 258) no Hoare annotation was computed. [2021-10-24 10:03:51,514 INFO L857 garLoopResultBuilder]: For program point L254-6(lines 254 258) no Hoare annotation was computed. [2021-10-24 10:03:51,514 INFO L857 garLoopResultBuilder]: For program point L254-8(lines 254 258) no Hoare annotation was computed. [2021-10-24 10:03:51,514 INFO L853 garLoopResultBuilder]: At program point L205(lines 200 208) the Hoare annotation is: (let ((.cse17 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse18 (not .cse17)) (.cse16 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse9 (or .cse18 .cse16)) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse8 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse9 .cse2 .cse10 .cse11 .cse5 .cse6 .cse12 .cse7) (and .cse0 .cse13 .cse14 .cse2 .cse15) (and .cse0 .cse14 .cse2 .cse10 .cse15) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse16 .cse5 .cse17 .cse6 .cse7) (and .cse0 .cse1 .cse13 .cse18 .cse2 .cse16 .cse5 .cse6 .cse12) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse15 .cse7) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse4 .cse10 .cse16 .cse5 .cse6))))) [2021-10-24 10:03:51,515 INFO L853 garLoopResultBuilder]: At program point L717(lines 666 718) the Hoare annotation is: false [2021-10-24 10:03:51,515 INFO L853 garLoopResultBuilder]: At program point L205-1(lines 200 208) the Hoare annotation is: (let ((.cse15 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse12 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse14 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not .cse15)) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse12 .cse13 .cse6 .cse14 .cse8) (and .cse0 .cse9 .cse15 .cse10 .cse2 .cse11 .cse14 .cse8) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse12 .cse13 .cse6 .cse14 .cse8) (and .cse0 .cse9 .cse15 .cse2 .cse4 .cse5 .cse14 .cse8) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse11 .cse6 .cse7 .cse8)))) [2021-10-24 10:03:51,515 INFO L853 garLoopResultBuilder]: At program point L205-2(lines 200 208) the Hoare annotation is: false [2021-10-24 10:03:51,515 INFO L853 garLoopResultBuilder]: At program point L205-3(lines 200 208) the Hoare annotation is: false [2021-10-24 10:03:51,515 INFO L853 garLoopResultBuilder]: At program point L205-4(lines 200 208) the Hoare annotation is: false [2021-10-24 10:03:51,515 INFO L853 garLoopResultBuilder]: At program point L205-5(lines 200 208) the Hoare annotation is: false [2021-10-24 10:03:51,515 INFO L857 garLoopResultBuilder]: For program point L668(lines 667 716) no Hoare annotation was computed. [2021-10-24 10:03:51,515 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 164) no Hoare annotation was computed. [2021-10-24 10:03:51,515 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 156 164) no Hoare annotation was computed. [2021-10-24 10:03:51,516 INFO L857 garLoopResultBuilder]: For program point L156-2(lines 156 164) no Hoare annotation was computed. [2021-10-24 10:03:51,516 INFO L853 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse14 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (not .cse11)) (.cse15 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse7 .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse12 .cse6) (and .cse0 .cse13 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse10 .cse11 .cse2 .cse7 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse12 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse13 .cse2 .cse14 .cse7 .cse8 .cse4 .cse15) (and .cse0 .cse13 .cse1 .cse2 .cse14 .cse12 .cse4 .cse15) (and .cse0 .cse10 .cse11 .cse1 .cse2 .cse5 .cse6)))) [2021-10-24 10:03:51,516 INFO L853 garLoopResultBuilder]: At program point L949-1(lines 944 952) the Hoare annotation is: false [2021-10-24 10:03:51,516 INFO L853 garLoopResultBuilder]: At program point L949-2(lines 944 952) the Hoare annotation is: false [2021-10-24 10:03:51,516 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:03:51,517 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2021-10-24 10:03:51,517 INFO L853 garLoopResultBuilder]: At program point L785(lines 781 787) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:03:51,517 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 966) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:03:51,517 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-24 10:03:51,517 INFO L857 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2021-10-24 10:03:51,518 INFO L857 garLoopResultBuilder]: For program point L92-2(line 92) no Hoare annotation was computed. [2021-10-24 10:03:51,518 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 10:03:51,518 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 869) no Hoare annotation was computed. [2021-10-24 10:03:51,518 INFO L853 garLoopResultBuilder]: At program point L852-1(lines 1 966) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse12 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse8 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse4 .cse7 .cse8 .cse5) (and .cse0 .cse2 .cse3 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse10 .cse2 .cse3 .cse4 .cse11 .cse8 .cse12 .cse6) (and .cse0 .cse10 .cse3 .cse13 .cse14 .cse11 .cse8 .cse12 .cse6) (and .cse0 .cse10 .cse2 .cse3 .cse8 .cse9 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5 .cse6) (and .cse0 .cse3 .cse13 .cse14 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse13 .cse14 .cse5 .cse6))) [2021-10-24 10:03:51,519 INFO L860 garLoopResultBuilder]: At program point L819(lines 800 822) the Hoare annotation is: true [2021-10-24 10:03:51,519 INFO L857 garLoopResultBuilder]: For program point L852-2(lines 852 869) no Hoare annotation was computed. [2021-10-24 10:03:51,519 INFO L853 garLoopResultBuilder]: At program point L852-3(lines 1 966) the Hoare annotation is: false [2021-10-24 10:03:51,519 INFO L857 garLoopResultBuilder]: For program point L852-4(lines 852 869) no Hoare annotation was computed. [2021-10-24 10:03:51,519 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2021-10-24 10:03:51,520 INFO L853 garLoopResultBuilder]: At program point L852-5(lines 1 966) the Hoare annotation is: false [2021-10-24 10:03:51,520 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 687 693) the Hoare annotation is: (let ((.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse20 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse11 (not .cse17)) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (not .cse13)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse8 .cse3 .cse11 .cse13 .cse6) (and .cse0 .cse3 .cse4 .cse14 .cse11 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse3 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse11 .cse5) (and .cse0 .cse7 .cse3 .cse18 .cse19 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse7 .cse20 .cse3 .cse19 .cse4 .cse10 .cse11) (and .cse0 .cse1 .cse20 .cse3 .cse19 .cse4 .cse5) (and .cse0 .cse3 .cse18 .cse19 .cse14 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse18 .cse19 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse9 .cse3 .cse12 .cse5)))) [2021-10-24 10:03:51,520 INFO L853 garLoopResultBuilder]: At program point L737-2(lines 737 751) the Hoare annotation is: false [2021-10-24 10:03:51,520 INFO L857 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2021-10-24 10:03:51,521 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2021-10-24 10:03:51,521 INFO L853 garLoopResultBuilder]: At program point L705-1(lines 1 966) the Hoare annotation is: (let ((.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse13 (not .cse15)) (.cse14 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse8 (or .cse13 .cse14)) (.cse10 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse6 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse11 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse12 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse8 .cse2 .cse9 .cse10 .cse5 .cse6 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse2 .cse14 .cse5 .cse11) (and .cse0 .cse1 .cse12 .cse2 .cse5 .cse15 .cse7) (and .cse0 .cse2 .cse9 .cse16) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse10 .cse5 .cse6 .cse11 .cse7) (and .cse0 .cse12 .cse2 .cse16) (and .cse0 .cse2 .cse3 .cse4 .cse16 .cse7) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse4 .cse9 .cse14 .cse5))))) [2021-10-24 10:03:51,521 INFO L853 garLoopResultBuilder]: At program point L127(lines 127 133) the Hoare annotation is: (let ((.cse19 (= ~systemActive~0 (_ bv0 32))) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse9 (not .cse13)) (.cse10 (not .cse12)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~0 (_ bv0 32))) (.cse11 (= ~waterLevel~0 (_ bv1 32))) (.cse18 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse16 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse17 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not .cse19))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse11 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse12 .cse2 .cse3 .cse11 .cse6 .cse13 .cse7) (and .cse0 .cse2 .cse11 .cse14 .cse15 .cse6 .cse16) (and .cse0 .cse2 .cse4 .cse5 .cse14 .cse15 .cse6 .cse16 .cse8) (and .cse0 .cse17 .cse2 .cse15 .cse6 .cse16) (and .cse0 .cse17 .cse18 .cse19 .cse2 .cse16) (and .cse0 .cse18 .cse19 .cse2 .cse11 .cse16) (and .cse0 .cse18 .cse19 .cse2 .cse4 .cse5 .cse16 .cse8) (and .cse0 .cse1 .cse17 .cse2 .cse6)))) [2021-10-24 10:03:51,522 INFO L853 garLoopResultBuilder]: At program point L127-1(lines 127 133) the Hoare annotation is: false [2021-10-24 10:03:51,522 INFO L853 garLoopResultBuilder]: At program point L127-2(lines 127 133) the Hoare annotation is: false [2021-10-24 10:03:51,522 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:03:51,522 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 908) no Hoare annotation was computed. [2021-10-24 10:03:51,522 INFO L853 garLoopResultBuilder]: At program point L260(lines 245 263) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~1 (_ bv0 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse6 .cse7 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse5 .cse6 .cse7) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse6 .cse7))) [2021-10-24 10:03:51,523 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 245 263) the Hoare annotation is: false [2021-10-24 10:03:51,523 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 245 263) the Hoare annotation is: false [2021-10-24 10:03:51,523 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 866) no Hoare annotation was computed. [2021-10-24 10:03:51,523 INFO L857 garLoopResultBuilder]: For program point L856-2(lines 856 866) no Hoare annotation was computed. [2021-10-24 10:03:51,523 INFO L857 garLoopResultBuilder]: For program point L856-4(lines 856 866) no Hoare annotation was computed. [2021-10-24 10:03:51,524 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-10-24 10:03:51,524 INFO L857 garLoopResultBuilder]: For program point L741-1(lines 741 745) no Hoare annotation was computed. [2021-10-24 10:03:51,524 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-10-24 10:03:51,524 INFO L857 garLoopResultBuilder]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2021-10-24 10:03:51,524 INFO L857 garLoopResultBuilder]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2021-10-24 10:03:51,525 INFO L853 garLoopResultBuilder]: At program point L841(lines 120 126) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse15 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 (not .cse10) .cse2 .cse3 .cse6 .cse7 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (and .cse0 .cse9 .cse11 .cse2 .cse12) (and .cse0 .cse11 .cse2 .cse13 .cse12) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse13 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse14 .cse2 .cse3 .cse15 .cse6 .cse10 .cse7 .cse8) (and .cse0 .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 .cse3 .cse5 .cse13 .cse15 .cse6 .cse7) (and .cse0 .cse11 .cse2 .cse4 .cse5 .cse12 .cse8))) [2021-10-24 10:03:51,525 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 120 126) the Hoare annotation is: false [2021-10-24 10:03:51,525 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 120 126) the Hoare annotation is: false [2021-10-24 10:03:51,525 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:03:51,525 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-10-24 10:03:51,526 INFO L857 garLoopResultBuilder]: For program point L957-1(lines 957 963) no Hoare annotation was computed. [2021-10-24 10:03:51,526 INFO L857 garLoopResultBuilder]: For program point L957-2(lines 957 963) no Hoare annotation was computed. [2021-10-24 10:03:51,526 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 10:03:51,526 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 683) no Hoare annotation was computed. [2021-10-24 10:03:51,527 INFO L853 garLoopResultBuilder]: At program point L677-1(lines 677 683) the Hoare annotation is: (let ((.cse13 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse20 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse11 (not .cse17)) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse9 (not .cse13)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse12 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse8 .cse3 .cse11 .cse13 .cse6) (and .cse0 .cse3 .cse4 .cse14 .cse11 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse3 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse3 .cse11 .cse5) (and .cse0 .cse7 .cse3 .cse18 .cse19 .cse15 .cse11 .cse16 .cse6) (and .cse0 .cse7 .cse20 .cse3 .cse19 .cse4 .cse10 .cse11) (and .cse0 .cse1 .cse20 .cse3 .cse19 .cse4 .cse5) (and .cse0 .cse3 .cse18 .cse19 .cse14 .cse11 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse18 .cse19 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse17 .cse9 .cse3 .cse12 .cse5)))) [2021-10-24 10:03:51,527 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 896) no Hoare annotation was computed. [2021-10-24 10:03:51,527 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:03:51,527 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 817) no Hoare annotation was computed. [2021-10-24 10:03:51,527 INFO L860 garLoopResultBuilder]: At program point L810-1(lines 810 817) the Hoare annotation is: true [2021-10-24 10:03:51,533 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:03:51,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:03:51 BoogieIcfgContainer [2021-10-24 10:03:51,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:03:51,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:03:51,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:03:51,594 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:03:51,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:02:44" (3/4) ... [2021-10-24 10:03:51,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:03:51,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:03:51,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:03:51,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:03:51,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:03:51,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:03:51,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:03:51,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:03:51,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:03:51,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:03:51,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:03:51,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-24 10:03:51,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) [2021-10-24 10:03:51,653 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) [2021-10-24 10:03:51,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) [2021-10-24 10:03:51,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-24 10:03:51,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) [2021-10-24 10:03:51,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-24 10:03:51,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) [2021-10-24 10:03:51,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 10:03:51,657 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 10:03:51,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:03:51,658 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) [2021-10-24 10:03:51,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:03:51,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:03:51,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:03:51,701 INFO L168 Benchmark]: Toolchain (without parser) took 70356.48 ms. Allocated memory was 69.2 MB in the beginning and 218.1 MB in the end (delta: 148.9 MB). Free memory was 47.4 MB in the beginning and 141.2 MB in the end (delta: -93.8 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:03:51,701 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:03:51,702 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.40 ms. Allocated memory is still 69.2 MB. Free memory was 47.2 MB in the beginning and 36.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:03:51,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.85 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 33.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:03:51,703 INFO L168 Benchmark]: Boogie Preprocessor took 96.73 ms. Allocated memory is still 69.2 MB. Free memory was 33.2 MB in the beginning and 50.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:03:51,703 INFO L168 Benchmark]: RCFGBuilder took 2833.74 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 58.2 kB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:03:51,704 INFO L168 Benchmark]: TraceAbstraction took 66606.43 ms. Allocated memory was 100.7 MB in the beginning and 218.1 MB in the end (delta: 117.4 MB). Free memory was 49.5 MB in the beginning and 148.5 MB in the end (delta: -99.0 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:03:51,704 INFO L168 Benchmark]: Witness Printer took 106.21 ms. Allocated memory is still 218.1 MB. Free memory was 148.5 MB in the beginning and 141.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:03:51,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 69.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 631.40 ms. Allocated memory is still 69.2 MB. Free memory was 47.2 MB in the beginning and 36.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.85 ms. Allocated memory is still 69.2 MB. Free memory was 36.4 MB in the beginning and 33.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.73 ms. Allocated memory is still 69.2 MB. Free memory was 33.2 MB in the beginning and 50.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2833.74 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 58.2 kB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 66606.43 ms. Allocated memory was 100.7 MB in the beginning and 218.1 MB in the end (delta: 117.4 MB). Free memory was 49.5 MB in the beginning and 148.5 MB in the end (delta: -99.0 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. * Witness Printer took 106.21 ms. Allocated memory is still 218.1 MB. Free memory was 148.5 MB in the beginning and 141.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 66480.6ms, OverallIterations: 14, TraceHistogramMax: 5, EmptinessCheckTime: 46.5ms, AutomataDifference: 20283.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 21555.0ms, InitialAbstractionConstructionTime: 24.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1337 SDtfs, 3004 SDslu, 3639 SDs, 0 SdLazy, 611 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18078.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2751 GetRequests, 2629 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1598.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=12, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 556.0ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1246 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 380 NumberOfFragments, 2747 HoareAnnotationTreeSize, 39 FomulaSimplifications, 1755553 FormulaSimplificationTreeSizeReduction, 3716.9ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 717443 FormulaSimplificationTreeSizeReductionInter, 17817.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 572.6ms SsaConstructionTime, 2568.5ms SatisfiabilityAnalysisTime, 9881.6ms InterpolantComputationTime, 1360 NumberOfCodeBlocks, 1360 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2678 ConstructedInterpolants, 0 QuantifiedInterpolants, 4858 SizeOfPredicates, 61 NumberOfNonLiveVariables, 5362 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 42 InterpolantComputations, 23 PerfectInterpolantSequences, 2650/2812 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp))) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && tmp == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && !(2bv32 == tmp)) && waterLevel == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp) || ((((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && waterLevel == tmp) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && !(2bv32 == tmp))) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && waterLevel == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32))) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == tmp) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && waterLevel == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && waterLevel == tmp)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == \result)) && \result == 1bv32) && !(2bv32 == tmp)) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-24 10:03:51,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd3eb5a4-6476-4631-be93-ef893b2c4d0c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...