./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw --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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d ............................................................................................................................................ 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_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw --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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:42:02,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:42:02,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:42:02,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:42:02,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:42:02,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:42:02,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:42:02,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:42:02,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:42:02,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:42:02,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:42:02,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:42:02,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:42:02,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:42:02,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:42:02,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:42:02,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:42:02,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:42:03,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:42:03,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:42:03,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:42:03,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:42:03,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:42:03,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:42:03,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:42:03,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:42:03,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:42:03,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:42:03,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:42:03,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:42:03,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:42:03,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:42:03,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:42:03,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:42:03,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:42:03,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:42:03,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:42:03,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:42:03,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:42:03,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:42:03,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:42:03,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:42:03,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:42:03,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:42:03,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:42:03,091 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:42:03,091 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:42:03,091 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:42:03,091 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:42:03,091 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:42:03,092 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:42:03,092 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:42:03,093 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:42:03,093 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:42:03,094 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:42:03,094 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:42:03,094 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:42:03,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:42:03,095 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:42:03,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:42:03,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:42:03,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:42:03,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:42:03,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:42:03,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:42:03,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:42:03,097 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:42:03,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:42:03,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:42:03,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:42:03,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:42:03,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:42:03,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:42:03,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:42:03,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:42:03,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:42:03,101 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:42:03,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:42:03,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:42:03,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:42:03,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:42:03,102 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_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2021-10-20 05:42:03,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:42:03,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:42:03,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:42:03,437 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:42:03,437 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:42:03,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-20 05:42:03,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/fe42e7d8d/63f2bdb0b2084624b978113e0ea1cc38/FLAG6f09db4ce [2021-10-20 05:42:04,073 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:42:04,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-20 05:42:04,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/fe42e7d8d/63f2bdb0b2084624b978113e0ea1cc38/FLAG6f09db4ce [2021-10-20 05:42:04,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/fe42e7d8d/63f2bdb0b2084624b978113e0ea1cc38 [2021-10-20 05:42:04,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:42:04,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:42:04,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:42:04,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:42:04,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:42:04,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:42:04" (1/1) ... [2021-10-20 05:42:04,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efbfd74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:04, skipping insertion in model container [2021-10-20 05:42:04,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:42:04" (1/1) ... [2021-10-20 05:42:04,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:42:04,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:42:04,786 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_46c9ca67-6962-4e6e-872b-549ff7a079b3/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-20 05:42:04,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:42:04,856 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) [2021-10-20 05:42:04,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e4661d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:04, skipping insertion in model container [2021-10-20 05:42:04,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:42:04,857 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:42:04,859 INFO L168 Benchmark]: Toolchain (without parser) took 433.08 ms. Allocated memory is still 107.0 MB. Free memory was 67.2 MB in the beginning and 77.4 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:04,860 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:42:04,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.19 ms. Allocated memory is still 107.0 MB. Free memory was 67.0 MB in the beginning and 77.7 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:04,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 85.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.19 ms. Allocated memory is still 107.0 MB. Free memory was 67.0 MB in the beginning and 77.7 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: 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 [2021-10-20 05:42:07,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:42:07,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:42:07,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:42:07,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:42:07,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:42:07,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:42:07,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:42:07,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:42:07,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:42:07,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:42:07,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:42:07,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:42:07,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:42:07,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:42:07,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:42:07,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:42:07,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:42:07,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:42:07,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:42:07,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:42:07,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:42:07,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:42:07,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:42:07,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:42:07,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:42:07,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:42:07,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:42:07,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:42:07,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:42:07,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:42:07,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:42:07,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:42:07,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:42:07,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:42:07,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:42:07,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:42:07,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:42:07,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:42:07,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:42:07,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:42:07,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:42:07,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:42:07,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:42:07,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:42:07,333 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:42:07,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:42:07,333 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:42:07,334 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:42:07,334 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:42:07,334 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:42:07,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:42:07,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:42:07,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:42:07,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:42:07,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:42:07,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:42:07,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:42:07,338 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:42:07,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:42:07,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:42:07,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:42:07,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:42:07,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:42:07,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:42:07,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:42:07,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:42:07,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:42:07,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:42:07,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:42:07,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:42:07,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:42:07,341 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:42:07,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:42:07,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:42:07,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:42:07,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:42:07,343 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_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2021-10-20 05:42:07,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:42:07,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:42:07,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:42:07,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:42:07,829 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:42:07,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-20 05:42:07,912 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/0753ad42c/f99d9e4ca9e64f44850b61105f6c878b/FLAG4fadbd95d [2021-10-20 05:42:08,508 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:42:08,509 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-10-20 05:42:08,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/0753ad42c/f99d9e4ca9e64f44850b61105f6c878b/FLAG4fadbd95d [2021-10-20 05:42:08,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/data/0753ad42c/f99d9e4ca9e64f44850b61105f6c878b [2021-10-20 05:42:08,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:42:08,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:42:08,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:42:08,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:42:08,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:42:08,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:42:08" (1/1) ... [2021-10-20 05:42:08,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38260354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:08, skipping insertion in model container [2021-10-20 05:42:08,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:42:08" (1/1) ... [2021-10-20 05:42:08,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:42:08,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:42:09,153 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_46c9ca67-6962-4e6e-872b-549ff7a079b3/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-20 05:42:09,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:42:09,237 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:42:09,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:42:09,327 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_46c9ca67-6962-4e6e-872b-549ff7a079b3/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-20 05:42:09,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:42:09,360 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:42:09,401 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_46c9ca67-6962-4e6e-872b-549ff7a079b3/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-10-20 05:42:09,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:42:09,465 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:42:09,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09 WrapperNode [2021-10-20 05:42:09,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:42:09,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:42:09,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:42:09,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:42:09,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:42:09,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:42:09,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:42:09,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:42:09,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:42:09,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:42:09,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:42:09,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:42:09,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (1/1) ... [2021-10-20 05:42:09,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:42:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:09,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:42:09,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:42:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:42:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:42:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:42:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:42:12,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:42:12,426 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-20 05:42:12,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:42:12 BoogieIcfgContainer [2021-10-20 05:42:12,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:42:12,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:42:12,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:42:12,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:42:12,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:42:08" (1/3) ... [2021-10-20 05:42:12,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc77bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:42:12, skipping insertion in model container [2021-10-20 05:42:12,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:42:09" (2/3) ... [2021-10-20 05:42:12,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc77bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:42:12, skipping insertion in model container [2021-10-20 05:42:12,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:42:12" (3/3) ... [2021-10-20 05:42:12,437 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2021-10-20 05:42:12,443 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:42:12,443 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 05:42:12,507 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:42:12,516 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 [2021-10-20 05:42:12,516 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 05:42:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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) [2021-10-20 05:42:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-20 05:42:12,558 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:12,558 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:12,559 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:12,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:12,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2021-10-20 05:42:12,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:12,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76716964] [2021-10-20 05:42:12,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:12,581 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:12,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:12,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:12,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:42:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:12,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:42:12,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:12,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:12,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:12,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76716964] [2021-10-20 05:42:12,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76716964] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:12,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:12,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:42:12,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379153806] [2021-10-20 05:42:12,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:42:12,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:12,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:42:12,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:42:12,991 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-20 05:42:13,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:13,054 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-20 05:42:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:42:13,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-20 05:42:13,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:13,075 INFO L225 Difference]: With dead ends: 264 [2021-10-20 05:42:13,075 INFO L226 Difference]: Without dead ends: 131 [2021-10-20 05:42:13,080 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:42:13,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-20 05:42:13,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-20 05:42:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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) [2021-10-20 05:42:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-20 05:42:13,130 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-20 05:42:13,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:13,131 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-20 05:42:13,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-20 05:42:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-20 05:42:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 05:42:13,132 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:13,132 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:13,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:13,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:13,341 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:13,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:13,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2021-10-20 05:42:13,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:13,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830663204] [2021-10-20 05:42:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:13,348 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:13,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:13,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:13,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:42:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:13,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:42:13,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:13,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:13,680 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:13,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830663204] [2021-10-20 05:42:13,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830663204] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:13,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:13,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:42:13,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807876695] [2021-10-20 05:42:13,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:42:13,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:13,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:42:13,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:42:13,685 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-20 05:42:13,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:13,699 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-20 05:42:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:42:13,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 17 [2021-10-20 05:42:13,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:13,700 INFO L225 Difference]: With dead ends: 131 [2021-10-20 05:42:13,701 INFO L226 Difference]: Without dead ends: 53 [2021-10-20 05:42:13,702 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:42:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-20 05:42:13,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-20 05:42:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-10-20 05:42:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-20 05:42:13,708 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-20 05:42:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:13,708 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-20 05:42:13,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-20 05:42:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-20 05:42:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 05:42:13,710 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:13,710 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] [2021-10-20 05:42:13,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:13,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:13,927 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:13,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2021-10-20 05:42:13,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:13,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964763956] [2021-10-20 05:42:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:13,929 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:13,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:13,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:13,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:42:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:14,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:42:14,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:14,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:14,267 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:14,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964763956] [2021-10-20 05:42:14,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964763956] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:14,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:14,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:42:14,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249116166] [2021-10-20 05:42:14,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:42:14,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:14,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:42:14,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:42:14,270 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-20 05:42:14,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:14,316 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-20 05:42:14,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:42:14,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 22 [2021-10-20 05:42:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:14,323 INFO L225 Difference]: With dead ends: 100 [2021-10-20 05:42:14,323 INFO L226 Difference]: Without dead ends: 53 [2021-10-20 05:42:14,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:42:14,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-20 05:42:14,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-20 05:42:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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) [2021-10-20 05:42:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-20 05:42:14,338 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-20 05:42:14,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:14,338 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-20 05:42:14,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-20 05:42:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-20 05:42:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 05:42:14,342 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:14,342 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] [2021-10-20 05:42:14,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:14,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:14,558 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:14,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:14,559 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2021-10-20 05:42:14,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:14,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484774769] [2021-10-20 05:42:14,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:14,560 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:14,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:14,561 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:14,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 05:42:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:14,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:42:14,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:14,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:14,887 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:14,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484774769] [2021-10-20 05:42:14,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484774769] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:14,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:14,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-20 05:42:14,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699663069] [2021-10-20 05:42:14,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 05:42:14,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 05:42:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:42:14,890 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-20 05:42:14,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:14,943 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-20 05:42:14,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:42:14,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2021-10-20 05:42:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:14,944 INFO L225 Difference]: With dead ends: 121 [2021-10-20 05:42:14,944 INFO L226 Difference]: Without dead ends: 74 [2021-10-20 05:42:14,945 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 05:42:14,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-20 05:42:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-20 05:42:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 71 states have internal predecessors, (101), 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) [2021-10-20 05:42:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-20 05:42:14,953 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-20 05:42:14,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:14,954 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-20 05:42:14,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-20 05:42:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-20 05:42:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-20 05:42:14,954 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:14,955 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] [2021-10-20 05:42:14,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:15,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:15,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:15,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:15,156 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2021-10-20 05:42:15,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:15,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037622678] [2021-10-20 05:42:15,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:15,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:15,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:15,158 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:15,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:42:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:15,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:42:15,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:15,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:15,666 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:15,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037622678] [2021-10-20 05:42:15,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037622678] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:15,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:15,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-20 05:42:15,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34881951] [2021-10-20 05:42:15,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 05:42:15,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:15,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 05:42:15,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 05:42:15,669 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-10-20 05:42:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:15,988 INFO L93 Difference]: Finished difference Result 536 states and 778 transitions. [2021-10-20 05:42:15,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-20 05:42:15,989 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 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 30 [2021-10-20 05:42:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:15,994 INFO L225 Difference]: With dead ends: 536 [2021-10-20 05:42:15,994 INFO L226 Difference]: Without dead ends: 470 [2021-10-20 05:42:15,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 131.9ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-20 05:42:15,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-10-20 05:42:16,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 173. [2021-10-20 05:42:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3953488372093024) internal successors, (240), 172 states have internal predecessors, (240), 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) [2021-10-20 05:42:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2021-10-20 05:42:16,044 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 30 [2021-10-20 05:42:16,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:16,045 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2021-10-20 05:42:16,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-10-20 05:42:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2021-10-20 05:42:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-20 05:42:16,055 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:16,055 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:16,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:16,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:16,268 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:16,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:16,268 INFO L82 PathProgramCache]: Analyzing trace with hash 731988412, now seen corresponding path program 1 times [2021-10-20 05:42:16,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:16,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33481300] [2021-10-20 05:42:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:16,270 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:16,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:16,271 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:16,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 05:42:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:16,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 05:42:16,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:16,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:42:16,888 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:16,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33481300] [2021-10-20 05:42:16,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33481300] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:16,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1667452228] [2021-10-20 05:42:16,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:16,889 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:42:16,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:42:16,891 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:42:16,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-20 05:42:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:17,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:42:17,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-20 05:42:17,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-20 05:42:17,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1667452228] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:17,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 05:42:17,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-20 05:42:17,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891539030] [2021-10-20 05:42:17,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:42:17,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:17,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:42:17,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-20 05:42:17,521 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-10-20 05:42:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:17,710 INFO L93 Difference]: Finished difference Result 423 states and 597 transitions. [2021-10-20 05:42:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-20 05:42:17,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 53 [2021-10-20 05:42:17,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:17,714 INFO L225 Difference]: With dead ends: 423 [2021-10-20 05:42:17,714 INFO L226 Difference]: Without dead ends: 421 [2021-10-20 05:42:17,715 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 99.3ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-20 05:42:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-20 05:42:17,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 173. [2021-10-20 05:42:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3895348837209303) internal successors, (239), 172 states have internal predecessors, (239), 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) [2021-10-20 05:42:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2021-10-20 05:42:17,742 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 53 [2021-10-20 05:42:17,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:17,744 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2021-10-20 05:42:17,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-10-20 05:42:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2021-10-20 05:42:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-20 05:42:17,745 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:17,745 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:17,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:17,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:18,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 05:42:18,158 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:18,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:18,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1233125419, now seen corresponding path program 1 times [2021-10-20 05:42:18,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:18,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385367932] [2021-10-20 05:42:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:18,159 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:18,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:18,160 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:18,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-20 05:42:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:18,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:42:18,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:42:18,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:42:18,730 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:18,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385367932] [2021-10-20 05:42:18,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385367932] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:18,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:18,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 05:42:18,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200696178] [2021-10-20 05:42:18,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:42:18,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:18,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:42:18,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:42:18,732 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-20 05:42:18,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:18,821 INFO L93 Difference]: Finished difference Result 462 states and 633 transitions. [2021-10-20 05:42:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-20 05:42:18,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 54 [2021-10-20 05:42:18,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:18,824 INFO L225 Difference]: With dead ends: 462 [2021-10-20 05:42:18,825 INFO L226 Difference]: Without dead ends: 295 [2021-10-20 05:42:18,825 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 05:42:18,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-20 05:42:18,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2021-10-20 05:42:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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) [2021-10-20 05:42:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 254 transitions. [2021-10-20 05:42:18,847 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 254 transitions. Word has length 54 [2021-10-20 05:42:18,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:18,848 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 254 transitions. [2021-10-20 05:42:18,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-20 05:42:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 254 transitions. [2021-10-20 05:42:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-20 05:42:18,849 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:18,849 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:18,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:19,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:19,069 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:19,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:19,070 INFO L82 PathProgramCache]: Analyzing trace with hash 817858579, now seen corresponding path program 1 times [2021-10-20 05:42:19,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:19,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827718477] [2021-10-20 05:42:19,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:19,071 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:19,071 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:19,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-20 05:42:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:19,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-20 05:42:19,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:19,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:42:19,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-20 05:42:19,672 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:19,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827718477] [2021-10-20 05:42:19,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827718477] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:19,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:19,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-20 05:42:19,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206697828] [2021-10-20 05:42:19,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-20 05:42:19,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:19,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-20 05:42:19,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-20 05:42:19,674 INFO L87 Difference]: Start difference. First operand 188 states and 254 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-20 05:42:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:19,746 INFO L93 Difference]: Finished difference Result 426 states and 575 transitions. [2021-10-20 05:42:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:42:19,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 54 [2021-10-20 05:42:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:19,753 INFO L225 Difference]: With dead ends: 426 [2021-10-20 05:42:19,754 INFO L226 Difference]: Without dead ends: 244 [2021-10-20 05:42:19,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 05:42:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-20 05:42:19,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2021-10-20 05:42:19,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3312101910828025) internal successors, (209), 157 states have internal predecessors, (209), 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) [2021-10-20 05:42:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2021-10-20 05:42:19,776 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 54 [2021-10-20 05:42:19,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:19,776 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2021-10-20 05:42:19,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-20 05:42:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2021-10-20 05:42:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-20 05:42:19,778 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:19,778 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:19,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:20,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:20,001 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:20,002 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2021-10-20 05:42:20,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:20,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075449789] [2021-10-20 05:42:20,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:20,003 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:20,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:20,003 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:20,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-20 05:42:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:20,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 05:42:20,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 05:42:20,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 05:42:20,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:20,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075449789] [2021-10-20 05:42:20,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075449789] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:20,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1982501605] [2021-10-20 05:42:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:20,758 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 05:42:20,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 05:42:20,759 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 05:42:20,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-20 05:42:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:21,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-20 05:42:21,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 05:42:21,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 05:42:21,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1982501605] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:21,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58629655] [2021-10-20 05:42:21,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:21,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:21,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:42:21,646 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:42:21,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-20 05:42:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:22,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-20 05:42:22,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 05:42:22,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-20 05:42:22,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58629655] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:42:22,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-20 05:42:22,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-20 05:42:22,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324432379] [2021-10-20 05:42:22,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-20 05:42:22,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:22,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-20 05:42:22,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-20 05:42:22,449 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. Second operand has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 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) [2021-10-20 05:42:27,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:27,174 INFO L93 Difference]: Finished difference Result 1916 states and 2593 transitions. [2021-10-20 05:42:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-20 05:42:27,174 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 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) Word has length 55 [2021-10-20 05:42:27,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:27,188 INFO L225 Difference]: With dead ends: 1916 [2021-10-20 05:42:27,189 INFO L226 Difference]: Without dead ends: 1788 [2021-10-20 05:42:27,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2201 ImplicationChecksByTransitivity, 1313.6ms TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-20 05:42:27,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2021-10-20 05:42:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 283. [2021-10-20 05:42:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.3475177304964538) internal successors, (380), 282 states have internal predecessors, (380), 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) [2021-10-20 05:42:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2021-10-20 05:42:27,260 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 55 [2021-10-20 05:42:27,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:27,260 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2021-10-20 05:42:27,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 12 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) [2021-10-20 05:42:27,261 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2021-10-20 05:42:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-20 05:42:27,262 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:42:27,263 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:42:27,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:27,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:27,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:27,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:42:27,867 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:42:27,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:42:27,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2021-10-20 05:42:27,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:42:27,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634993756] [2021-10-20 05:42:27,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:42:27,868 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:42:27,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:42:27,869 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:42:27,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-20 05:42:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:42:28,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:42:28,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:42:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-20 05:42:28,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:42:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-20 05:42:28,673 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:42:28,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634993756] [2021-10-20 05:42:28,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634993756] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:42:28,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:42:28,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-20 05:42:28,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899535071] [2021-10-20 05:42:28,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 05:42:28,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:42:28,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 05:42:28,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 05:42:28,676 INFO L87 Difference]: Start difference. First operand 283 states and 380 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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) [2021-10-20 05:42:28,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:42:28,757 INFO L93 Difference]: Finished difference Result 456 states and 603 transitions. [2021-10-20 05:42:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:42:28,758 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 76 [2021-10-20 05:42:28,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:42:28,759 INFO L225 Difference]: With dead ends: 456 [2021-10-20 05:42:28,759 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:42:28,760 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 52.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-20 05:42:28,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:42:28,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:42:28,760 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) [2021-10-20 05:42:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:42:28,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-20 05:42:28,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:42:28,761 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:42:28,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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) [2021-10-20 05:42:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:42:28,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:42:28,764 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:42:28,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:42:28,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:42:28,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-20 05:42:28,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:42:28,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:42:28,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:29,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:30,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:42:34,220 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-20 05:42:34,220 INFO L853 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:42:34,221 INFO L853 garLoopResultBuilder]: At program point L895(lines 880 898) the Hoare annotation is: false [2021-10-20 05:42:34,221 INFO L853 garLoopResultBuilder]: At program point L895-1(lines 880 898) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse4 .cse1 .cse5 .cse6 .cse7 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse4 .cse1 .cse5 .cse6 .cse7 .cse2))) [2021-10-20 05:42:34,221 INFO L853 garLoopResultBuilder]: At program point L895-2(lines 880 898) the Hoare annotation is: false [2021-10-20 05:42:34,221 INFO L853 garLoopResultBuilder]: At program point L895-3(lines 880 898) the Hoare annotation is: false [2021-10-20 05:42:34,221 INFO L853 garLoopResultBuilder]: At program point L895-4(lines 880 898) the Hoare annotation is: false [2021-10-20 05:42:34,222 INFO L853 garLoopResultBuilder]: At program point L895-5(lines 880 898) the Hoare annotation is: false [2021-10-20 05:42:34,222 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-20 05:42:34,222 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-20 05:42:34,222 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-20 05:42:34,222 INFO L853 garLoopResultBuilder]: At program point L831(lines 824 834) the Hoare annotation is: false [2021-10-20 05:42:34,222 INFO L853 garLoopResultBuilder]: At program point L831-1(lines 824 834) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:42:34,223 INFO L853 garLoopResultBuilder]: At program point L831-2(lines 824 834) the Hoare annotation is: false [2021-10-20 05:42:34,223 INFO L853 garLoopResultBuilder]: At program point L831-3(lines 824 834) the Hoare annotation is: false [2021-10-20 05:42:34,223 INFO L853 garLoopResultBuilder]: At program point L831-4(lines 824 834) the Hoare annotation is: false [2021-10-20 05:42:34,223 INFO L853 garLoopResultBuilder]: At program point L831-5(lines 824 834) the Hoare annotation is: false [2021-10-20 05:42:34,223 INFO L853 garLoopResultBuilder]: At program point L536(lines 531 539) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-20 05:42:34,224 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 531 539) the Hoare annotation is: false [2021-10-20 05:42:34,224 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 531 539) the Hoare annotation is: false [2021-10-20 05:42:34,224 INFO L853 garLoopResultBuilder]: At program point L504(lines 499 507) the Hoare annotation is: false [2021-10-20 05:42:34,224 INFO L853 garLoopResultBuilder]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:42:34,224 INFO L853 garLoopResultBuilder]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2021-10-20 05:42:34,224 INFO L853 garLoopResultBuilder]: At program point L504-3(lines 499 507) the Hoare annotation is: false [2021-10-20 05:42:34,224 INFO L853 garLoopResultBuilder]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2021-10-20 05:42:34,225 INFO L853 garLoopResultBuilder]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2021-10-20 05:42:34,225 INFO L857 garLoopResultBuilder]: For program point L967(lines 967 980) no Hoare annotation was computed. [2021-10-20 05:42:34,225 INFO L857 garLoopResultBuilder]: For program point L769(lines 769 786) no Hoare annotation was computed. [2021-10-20 05:42:34,225 INFO L857 garLoopResultBuilder]: For program point L769-1(lines 769 786) no Hoare annotation was computed. [2021-10-20 05:42:34,225 INFO L857 garLoopResultBuilder]: For program point L769-2(lines 769 786) no Hoare annotation was computed. [2021-10-20 05:42:34,226 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-20 05:42:34,226 INFO L857 garLoopResultBuilder]: For program point L938(lines 937 984) no Hoare annotation was computed. [2021-10-20 05:42:34,226 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 812) no Hoare annotation was computed. [2021-10-20 05:42:34,226 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 781) no Hoare annotation was computed. [2021-10-20 05:42:34,226 INFO L857 garLoopResultBuilder]: For program point L806-2(lines 806 812) no Hoare annotation was computed. [2021-10-20 05:42:34,226 INFO L857 garLoopResultBuilder]: For program point L773-1(lines 773 781) no Hoare annotation was computed. [2021-10-20 05:42:34,226 INFO L857 garLoopResultBuilder]: For program point L773-2(lines 773 781) no Hoare annotation was computed. [2021-10-20 05:42:34,227 INFO L857 garLoopResultBuilder]: For program point L806-4(lines 806 812) no Hoare annotation was computed. [2021-10-20 05:42:34,227 INFO L857 garLoopResultBuilder]: For program point L806-6(lines 806 812) no Hoare annotation was computed. [2021-10-20 05:42:34,227 INFO L857 garLoopResultBuilder]: For program point L806-8(lines 806 812) no Hoare annotation was computed. [2021-10-20 05:42:34,227 INFO L857 garLoopResultBuilder]: For program point L806-10(lines 806 812) no Hoare annotation was computed. [2021-10-20 05:42:34,227 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed. [2021-10-20 05:42:34,227 INFO L853 garLoopResultBuilder]: At program point L840(lines 835 843) the Hoare annotation is: false [2021-10-20 05:42:34,227 INFO L853 garLoopResultBuilder]: At program point L840-1(lines 835 843) the Hoare annotation is: false [2021-10-20 05:42:34,228 INFO L853 garLoopResultBuilder]: At program point L840-2(lines 835 843) the Hoare annotation is: false [2021-10-20 05:42:34,228 INFO L853 garLoopResultBuilder]: At program point L576-2(lines 576 590) the Hoare annotation is: false [2021-10-20 05:42:34,228 INFO L857 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2021-10-20 05:42:34,228 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2021-10-20 05:42:34,228 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2021-10-20 05:42:34,228 INFO L857 garLoopResultBuilder]: For program point L544-2(lines 544 550) no Hoare annotation was computed. [2021-10-20 05:42:34,229 INFO L857 garLoopResultBuilder]: For program point L544-3(lines 544 550) no Hoare annotation was computed. [2021-10-20 05:42:34,229 INFO L857 garLoopResultBuilder]: For program point L544-4(lines 544 550) no Hoare annotation was computed. [2021-10-20 05:42:34,229 INFO L857 garLoopResultBuilder]: For program point L544-5(lines 544 550) no Hoare annotation was computed. [2021-10-20 05:42:34,229 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2021-10-20 05:42:34,229 INFO L857 garLoopResultBuilder]: For program point L908-2(lines 908 912) no Hoare annotation was computed. [2021-10-20 05:42:34,229 INFO L857 garLoopResultBuilder]: For program point L908-3(lines 908 912) no Hoare annotation was computed. [2021-10-20 05:42:34,230 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed. [2021-10-20 05:42:34,230 INFO L857 garLoopResultBuilder]: For program point L908-5(lines 908 912) no Hoare annotation was computed. [2021-10-20 05:42:34,230 INFO L857 garLoopResultBuilder]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2021-10-20 05:42:34,230 INFO L857 garLoopResultBuilder]: For program point L908-6(lines 908 912) no Hoare annotation was computed. [2021-10-20 05:42:34,230 INFO L857 garLoopResultBuilder]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2021-10-20 05:42:34,230 INFO L857 garLoopResultBuilder]: For program point L743-3(lines 743 760) no Hoare annotation was computed. [2021-10-20 05:42:34,230 INFO L857 garLoopResultBuilder]: For program point L908-8(lines 908 912) no Hoare annotation was computed. [2021-10-20 05:42:34,231 INFO L857 garLoopResultBuilder]: For program point L743-4(lines 743 760) no Hoare annotation was computed. [2021-10-20 05:42:34,231 INFO L857 garLoopResultBuilder]: For program point L743-5(lines 743 760) no Hoare annotation was computed. [2021-10-20 05:42:34,231 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-10-20 05:42:34,231 INFO L857 garLoopResultBuilder]: For program point L975(lines 975 979) no Hoare annotation was computed. [2021-10-20 05:42:34,231 INFO L853 garLoopResultBuilder]: At program point L975-2(lines 711 717) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse2 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-20 05:42:34,231 INFO L853 garLoopResultBuilder]: At program point L711(lines 710 729) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse3 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3))) [2021-10-20 05:42:34,232 INFO L857 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-10-20 05:42:34,232 INFO L853 garLoopResultBuilder]: At program point L711-2(lines 710 729) the Hoare annotation is: false [2021-10-20 05:42:34,232 INFO L853 garLoopResultBuilder]: At program point L711-3(lines 710 729) the Hoare annotation is: false [2021-10-20 05:42:34,232 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 584) no Hoare annotation was computed. [2021-10-20 05:42:34,232 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 711 717) no Hoare annotation was computed. [2021-10-20 05:42:34,232 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-20 05:42:34,233 INFO L857 garLoopResultBuilder]: For program point L449-1(line 449) no Hoare annotation was computed. [2021-10-20 05:42:34,233 INFO L857 garLoopResultBuilder]: For program point L449-2(line 449) no Hoare annotation was computed. [2021-10-20 05:42:34,233 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:42:34,233 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2021-10-20 05:42:34,233 INFO L857 garLoopResultBuilder]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2021-10-20 05:42:34,233 INFO L857 garLoopResultBuilder]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2021-10-20 05:42:34,233 INFO L857 garLoopResultBuilder]: For program point L747-3(lines 747 755) no Hoare annotation was computed. [2021-10-20 05:42:34,234 INFO L857 garLoopResultBuilder]: For program point L747-4(lines 747 755) no Hoare annotation was computed. [2021-10-20 05:42:34,234 INFO L857 garLoopResultBuilder]: For program point L747-5(lines 747 755) no Hoare annotation was computed. [2021-10-20 05:42:34,234 INFO L853 garLoopResultBuilder]: At program point L549(lines 540 553) the Hoare annotation is: false [2021-10-20 05:42:34,234 INFO L853 garLoopResultBuilder]: At program point L549-1(lines 540 553) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse4 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 .cse4 .cse2))) [2021-10-20 05:42:34,234 INFO L853 garLoopResultBuilder]: At program point L549-2(lines 540 553) the Hoare annotation is: false [2021-10-20 05:42:34,235 INFO L853 garLoopResultBuilder]: At program point L549-3(lines 540 553) the Hoare annotation is: false [2021-10-20 05:42:34,235 INFO L853 garLoopResultBuilder]: At program point L549-4(lines 540 553) the Hoare annotation is: false [2021-10-20 05:42:34,235 INFO L853 garLoopResultBuilder]: At program point L549-5(lines 540 553) the Hoare annotation is: false [2021-10-20 05:42:34,235 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2021-10-20 05:42:34,235 INFO L853 garLoopResultBuilder]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse2 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-20 05:42:34,235 INFO L853 garLoopResultBuilder]: At program point L914(lines 899 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-20 05:42:34,236 INFO L853 garLoopResultBuilder]: At program point L914-1(lines 899 917) the Hoare annotation is: false [2021-10-20 05:42:34,236 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 899 917) the Hoare annotation is: false [2021-10-20 05:42:34,236 INFO L853 garLoopResultBuilder]: At program point L718(lines 718 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv1 32)) .cse3))) [2021-10-20 05:42:34,236 INFO L853 garLoopResultBuilder]: At program point L718-1(lines 718 724) the Hoare annotation is: false [2021-10-20 05:42:34,236 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 659) no Hoare annotation was computed. [2021-10-20 05:42:34,236 INFO L853 garLoopResultBuilder]: At program point L718-2(lines 718 724) the Hoare annotation is: false [2021-10-20 05:42:34,236 INFO L860 garLoopResultBuilder]: At program point L652-1(lines 652 659) the Hoare annotation is: true [2021-10-20 05:42:34,237 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:42:34,237 INFO L853 garLoopResultBuilder]: At program point L985(lines 936 986) the Hoare annotation is: false [2021-10-20 05:42:34,237 INFO L853 garLoopResultBuilder]: At program point L688(lines 1 992) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:42:34,237 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 05:42:34,237 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-20 05:42:34,237 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,238 INFO L857 garLoopResultBuilder]: For program point L889-2(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,238 INFO L857 garLoopResultBuilder]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,238 INFO L857 garLoopResultBuilder]: For program point L889-5(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,238 INFO L857 garLoopResultBuilder]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,238 INFO L853 garLoopResultBuilder]: At program point L625(lines 621 627) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:42:34,238 INFO L857 garLoopResultBuilder]: For program point L889-8(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,238 INFO L857 garLoopResultBuilder]: For program point L889-9(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,239 INFO L853 garLoopResultBuilder]: At program point L559(lines 554 562) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-20 05:42:34,239 INFO L853 garLoopResultBuilder]: At program point L559-1(lines 554 562) the Hoare annotation is: false [2021-10-20 05:42:34,239 INFO L857 garLoopResultBuilder]: For program point L889-11(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,239 INFO L853 garLoopResultBuilder]: At program point L559-2(lines 554 562) the Hoare annotation is: false [2021-10-20 05:42:34,239 INFO L857 garLoopResultBuilder]: For program point L889-12(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,239 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-10-20 05:42:34,240 INFO L857 garLoopResultBuilder]: For program point L889-14(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,240 INFO L853 garLoopResultBuilder]: At program point L427-1(lines 1 992) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-20 05:42:34,240 INFO L857 garLoopResultBuilder]: For program point L889-15(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,240 INFO L857 garLoopResultBuilder]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2021-10-20 05:42:34,240 INFO L853 garLoopResultBuilder]: At program point L427-3(lines 1 992) the Hoare annotation is: false [2021-10-20 05:42:34,240 INFO L857 garLoopResultBuilder]: For program point L889-17(lines 889 893) no Hoare annotation was computed. [2021-10-20 05:42:34,240 INFO L857 garLoopResultBuilder]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2021-10-20 05:42:34,241 INFO L853 garLoopResultBuilder]: At program point L427-5(lines 1 992) the Hoare annotation is: false [2021-10-20 05:42:34,241 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 05:42:34,241 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-10-20 05:42:34,241 INFO L853 garLoopResultBuilder]: At program point L957-1(lines 957 963) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse2 .cse4 .cse3) (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse2 .cse4 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-20 05:42:34,241 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-10-20 05:42:34,241 INFO L860 garLoopResultBuilder]: At program point L661(lines 642 664) the Hoare annotation is: true [2021-10-20 05:42:34,242 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-10-20 05:42:34,242 INFO L857 garLoopResultBuilder]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2021-10-20 05:42:34,242 INFO L857 garLoopResultBuilder]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2021-10-20 05:42:34,246 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:42:34,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:42:34 BoogieIcfgContainer [2021-10-20 05:42:34,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:42:34,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:42:34,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:42:34,277 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:42:34,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:42:12" (3/4) ... [2021-10-20 05:42:34,281 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:42:34,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 05:42:34,304 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 05:42:34,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 05:42:34,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 05:42:34,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:42:34,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:42:34,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:42:34,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:42:34,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:42:34,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) [2021-10-20 05:42:34,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-20 05:42:34,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32 [2021-10-20 05:42:34,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-20 05:42:34,409 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:42:34,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:42:34,410 INFO L168 Benchmark]: Toolchain (without parser) took 25619.87 ms. Allocated memory was 58.7 MB in the beginning and 102.8 MB in the end (delta: 44.0 MB). Free memory was 37.6 MB in the beginning and 76.3 MB in the end (delta: -38.7 MB). Peak memory consumption was 60.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:34,411 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:42:34,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.67 ms. Allocated memory is still 58.7 MB. Free memory was 37.4 MB in the beginning and 26.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:34,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.05 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 25.9 MB in the beginning and 62.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:34,412 INFO L168 Benchmark]: Boogie Preprocessor took 69.33 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 60.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:34,412 INFO L168 Benchmark]: RCFGBuilder took 2778.14 ms. Allocated memory is still 81.8 MB. Free memory was 60.0 MB in the beginning and 58.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:34,413 INFO L168 Benchmark]: TraceAbstraction took 21846.16 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 57.5 MB in the beginning and 34.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:34,413 INFO L168 Benchmark]: Witness Printer took 132.04 ms. Allocated memory is still 102.8 MB. Free memory was 34.2 MB in the beginning and 76.3 MB in the end (delta: -42.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:42:34,415 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 58.7 MB. Free memory is still 39.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 671.67 ms. Allocated memory is still 58.7 MB. Free memory was 37.4 MB in the beginning and 26.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.05 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 25.9 MB in the beginning and 62.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.33 ms. Allocated memory is still 81.8 MB. Free memory was 62.8 MB in the beginning and 60.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2778.14 ms. Allocated memory is still 81.8 MB. Free memory was 60.0 MB in the beginning and 58.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21846.16 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 57.5 MB in the beginning and 34.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. * Witness Printer took 132.04 ms. Allocated memory is still 102.8 MB. Free memory was 34.2 MB in the beginning and 76.3 MB in the end (delta: -42.1 MB). Peak memory consumption was 12.6 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: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 21740.7ms, OverallIterations: 10, TraceHistogramMax: 3, EmptinessCheckTime: 43.8ms, AutomataDifference: 5763.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5241.1ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1254 SDtfs, 3755 SDslu, 3838 SDs, 0 SdLazy, 834 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3348.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1192 GetRequests, 1068 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2244 ImplicationChecksByTransitivity, 1675.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=9, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 245.7ms AutomataMinimizationTime, 10 MinimizatonAttempts, 2245 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 126 NumberOfFragments, 672 HoareAnnotationTreeSize, 55 FomulaSimplifications, 254521 FormulaSimplificationTreeSizeReduction, 1378.2ms HoareSimplificationTime, 55 FomulaSimplificationsInter, 39096 FormulaSimplificationTreeSizeReductionInter, 3848.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 349.1ms SsaConstructionTime, 1433.4ms SatisfiabilityAnalysisTime, 3871.3ms InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 2255 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2966 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 268/326 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: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-20 05:42:34,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c9ca67-6962-4e6e-872b-549ff7a079b3/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...