./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG --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 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 ............................................................................................................................................ 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_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG --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 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:48:52,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:48:52,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:48:52,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:48:52,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:48:52,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:48:52,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:48:52,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:48:52,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:48:53,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:48:53,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:48:53,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:48:53,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:48:53,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:48:53,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:48:53,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:48:53,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:48:53,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:48:53,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:48:53,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:48:53,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:48:53,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:48:53,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:48:53,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:48:53,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:48:53,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:48:53,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:48:53,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:48:53,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:48:53,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:48:53,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:48:53,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:48:53,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:48:53,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:48:53,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:48:53,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:48:53,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:48:53,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:48:53,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:48:53,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:48:53,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:48:53,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:48:53,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:48:53,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:48:53,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:48:53,150 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:48:53,150 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:48:53,150 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:48:53,151 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:48:53,151 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:48:53,151 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:48:53,152 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:48:53,153 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:48:53,153 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:48:53,154 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:48:53,154 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:48:53,155 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:48:53,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:48:53,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:48:53,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:48:53,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:48:53,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:48:53,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:48:53,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:48:53,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:48:53,159 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:48:53,159 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:48:53,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:48:53,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:48:53,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:48:53,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:48:53,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:48:53,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:53,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:48:53,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:48:53,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:48:53,164 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:48:53,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:48:53,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:48:53,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:48:53,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:48:53,166 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_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 [2021-10-29 05:48:53,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:48:53,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:48:53,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:48:53,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:48:53,578 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:48:53,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-29 05:48:53,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/ad3d5003d/81dcd3c399af43b58f76e8393be23535/FLAG8014874ba [2021-10-29 05:48:54,411 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:48:54,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-29 05:48:54,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/ad3d5003d/81dcd3c399af43b58f76e8393be23535/FLAG8014874ba [2021-10-29 05:48:54,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/ad3d5003d/81dcd3c399af43b58f76e8393be23535 [2021-10-29 05:48:54,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:48:54,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:48:54,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:54,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:48:54,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:48:54,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:54" (1/1) ... [2021-10-29 05:48:54,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4040aa44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:54, skipping insertion in model container [2021-10-29 05:48:54,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:54" (1/1) ... [2021-10-29 05:48:54,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:48:54,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:55,236 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_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-29 05:48:55,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:55,253 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) [2021-10-29 05:48:55,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@188b82e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:55, skipping insertion in model container [2021-10-29 05:48:55,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:55,266 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:48:55,269 INFO L168 Benchmark]: Toolchain (without parser) took 586.21 ms. Allocated memory is still 94.4 MB. Free memory was 59.0 MB in the beginning and 66.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:55,270 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 63.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:48:55,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.60 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 66.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:48:55,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 63.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.60 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 66.9 MB in the end (delta: -8.1 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: 540]: 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-b2eff8b [2021-10-29 05:48:57,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:48:57,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:48:57,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:48:57,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:48:57,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:48:57,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:48:57,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:48:57,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:48:57,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:48:57,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:48:57,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:48:57,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:48:57,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:48:57,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:48:57,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:48:57,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:48:57,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:48:57,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:48:57,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:48:57,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:48:57,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:48:57,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:48:57,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:48:57,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:48:57,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:48:57,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:48:57,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:48:57,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:48:57,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:48:57,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:48:57,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:48:57,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:48:57,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:48:57,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:48:57,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:48:57,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:48:57,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:48:57,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:48:57,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:48:57,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:48:57,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:48:57,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:48:57,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:48:57,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:48:57,917 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:48:57,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:48:57,918 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:48:57,918 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:48:57,918 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:48:57,919 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:48:57,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:48:57,922 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:48:57,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:48:57,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:48:57,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:48:57,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:48:57,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:48:57,923 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:48:57,923 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:48:57,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:48:57,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:48:57,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:48:57,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:48:57,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:48:57,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:48:57,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:48:57,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:48:57,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:48:57,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:48:57,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:48:57,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:48:57,927 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:48:57,927 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:48:57,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:48:57,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:48:57,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:48:57,928 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_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 [2021-10-29 05:48:58,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:48:58,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:48:58,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:48:58,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:48:58,429 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:48:58,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-29 05:48:58,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/862d280df/ce374360de014f7e9317b01f1a60809a/FLAG7bcda067a [2021-10-29 05:48:59,245 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:48:59,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-29 05:48:59,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/862d280df/ce374360de014f7e9317b01f1a60809a/FLAG7bcda067a [2021-10-29 05:48:59,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/data/862d280df/ce374360de014f7e9317b01f1a60809a [2021-10-29 05:48:59,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:48:59,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:48:59,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:48:59,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:48:59,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:48:59,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:59" (1/1) ... [2021-10-29 05:48:59,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fef76e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:48:59, skipping insertion in model container [2021-10-29 05:48:59,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:48:59" (1/1) ... [2021-10-29 05:48:59,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:48:59,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:48:59,907 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_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-29 05:48:59,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:48:59,927 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:48:59,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:49:00,027 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_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-29 05:49:00,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:49:00,040 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:49:00,167 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_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-29 05:49:00,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:49:00,193 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:49:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00 WrapperNode [2021-10-29 05:49:00,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:49:00,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:49:00,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:49:00,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:49:00,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:49:00,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:49:00,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:49:00,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:49:00,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:49:00,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:49:00,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:49:00,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:49:00,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (1/1) ... [2021-10-29 05:49:00,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:49:00,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:49:00,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:49:00,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:49:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:49:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:49:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:49:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:49:03,353 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:49:03,353 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-29 05:49:03,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:49:03 BoogieIcfgContainer [2021-10-29 05:49:03,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:49:03,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:49:03,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:49:03,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:49:03,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:48:59" (1/3) ... [2021-10-29 05:49:03,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1829ff48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:49:03, skipping insertion in model container [2021-10-29 05:49:03,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:49:00" (2/3) ... [2021-10-29 05:49:03,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1829ff48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:49:03, skipping insertion in model container [2021-10-29 05:49:03,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:49:03" (3/3) ... [2021-10-29 05:49:03,365 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2021-10-29 05:49:03,371 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:49:03,371 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:49:03,429 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:49:03,437 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 [2021-10-29 05:49:03,437 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:49:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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) [2021-10-29 05:49:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:49:03,467 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:03,468 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:03,469 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:03,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:03,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1685888364, now seen corresponding path program 1 times [2021-10-29 05:49:03,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:03,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137124345] [2021-10-29 05:49:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:03,493 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:03,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:03,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:03,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:49:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:03,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:49:03,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:03,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:03,953 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:03,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137124345] [2021-10-29 05:49:03,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137124345] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:03,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:03,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:49:03,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087056859] [2021-10-29 05:49:03,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:49:03,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:03,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:49:03,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:49:03,991 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-29 05:49:04,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:04,053 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2021-10-29 05:49:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:49:04,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-29 05:49:04,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:04,071 INFO L225 Difference]: With dead ends: 383 [2021-10-29 05:49:04,071 INFO L226 Difference]: Without dead ends: 191 [2021-10-29 05:49:04,076 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:49:04,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-29 05:49:04,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-29 05:49:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5212765957446808) internal successors, (286), 190 states have internal predecessors, (286), 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) [2021-10-29 05:49:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2021-10-29 05:49:04,132 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2021-10-29 05:49:04,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:04,132 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2021-10-29 05:49:04,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-29 05:49:04,133 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2021-10-29 05:49:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:49:04,134 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:04,135 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:04,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:04,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:04,339 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:04,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:04,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1092357789, now seen corresponding path program 1 times [2021-10-29 05:49:04,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:04,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238693344] [2021-10-29 05:49:04,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:04,342 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:04,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:04,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:04,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:49:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:04,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:49:04,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:04,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:04,790 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:04,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238693344] [2021-10-29 05:49:04,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238693344] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:04,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:04,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:49:04,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290789604] [2021-10-29 05:49:04,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:49:04,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:04,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:49:04,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:04,795 INFO L87 Difference]: Start difference. First operand 191 states and 286 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-29 05:49:04,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:04,816 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2021-10-29 05:49:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:49:04,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:49:04,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:04,819 INFO L225 Difference]: With dead ends: 191 [2021-10-29 05:49:04,819 INFO L226 Difference]: Without dead ends: 75 [2021-10-29 05:49:04,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:04,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-29 05:49:04,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-29 05:49:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-29 05:49:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-29 05:49:04,830 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-29 05:49:04,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:04,830 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-29 05:49:04,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-29 05:49:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-29 05:49:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:49:04,832 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:04,832 INFO L513 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] [2021-10-29 05:49:04,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-29 05:49:05,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:05,049 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:05,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:05,050 INFO L85 PathProgramCache]: Analyzing trace with hash 359640127, now seen corresponding path program 1 times [2021-10-29 05:49:05,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:05,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224230461] [2021-10-29 05:49:05,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:05,051 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:05,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:05,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:05,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:49:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:05,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:49:05,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:05,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:05,533 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:05,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224230461] [2021-10-29 05:49:05,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224230461] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:05,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:05,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:49:05,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088773471] [2021-10-29 05:49:05,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:49:05,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:05,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:49:05,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:05,537 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 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) [2021-10-29 05:49:05,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:05,569 INFO L93 Difference]: Finished difference Result 235 states and 355 transitions. [2021-10-29 05:49:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:49:05,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 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 24 [2021-10-29 05:49:05,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:05,572 INFO L225 Difference]: With dead ends: 235 [2021-10-29 05:49:05,572 INFO L226 Difference]: Without dead ends: 167 [2021-10-29 05:49:05,573 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-29 05:49:05,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 95. [2021-10-29 05:49:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 94 states have internal predecessors, (142), 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) [2021-10-29 05:49:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 142 transitions. [2021-10-29 05:49:05,596 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 142 transitions. Word has length 24 [2021-10-29 05:49:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:05,596 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 142 transitions. [2021-10-29 05:49:05,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 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) [2021-10-29 05:49:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2021-10-29 05:49:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 05:49:05,598 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:05,599 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:05,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:05,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:05,819 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:05,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:05,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1777034885, now seen corresponding path program 1 times [2021-10-29 05:49:05,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:05,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252680362] [2021-10-29 05:49:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:05,822 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:05,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:05,823 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:05,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:49:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:06,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:49:06,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:06,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:06,314 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:06,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252680362] [2021-10-29 05:49:06,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252680362] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:06,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:06,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:49:06,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765947912] [2021-10-29 05:49:06,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:49:06,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:06,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:49:06,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:49:06,318 INFO L87 Difference]: Start difference. First operand 95 states and 142 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:06,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:06,372 INFO L93 Difference]: Finished difference Result 193 states and 291 transitions. [2021-10-29 05:49:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:49:06,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-29 05:49:06,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:06,375 INFO L225 Difference]: With dead ends: 193 [2021-10-29 05:49:06,375 INFO L226 Difference]: Without dead ends: 105 [2021-10-29 05:49:06,376 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:49:06,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-29 05:49:06,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-10-29 05:49:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 102 states have internal predecessors, (148), 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) [2021-10-29 05:49:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2021-10-29 05:49:06,394 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 27 [2021-10-29 05:49:06,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:06,395 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2021-10-29 05:49:06,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2021-10-29 05:49:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 05:49:06,398 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:06,398 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:06,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:06,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:06,619 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:06,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:06,619 INFO L85 PathProgramCache]: Analyzing trace with hash 681148104, now seen corresponding path program 1 times [2021-10-29 05:49:06,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:06,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507713257] [2021-10-29 05:49:06,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:06,621 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:06,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:06,622 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:06,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:49:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:06,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:49:06,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:07,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:07,159 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:07,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507713257] [2021-10-29 05:49:07,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507713257] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:07,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:07,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:49:07,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104919012] [2021-10-29 05:49:07,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:49:07,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:07,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:49:07,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:49:07,169 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:07,336 INFO L93 Difference]: Finished difference Result 492 states and 716 transitions. [2021-10-29 05:49:07,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:49:07,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-29 05:49:07,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:07,341 INFO L225 Difference]: With dead ends: 492 [2021-10-29 05:49:07,341 INFO L226 Difference]: Without dead ends: 396 [2021-10-29 05:49:07,343 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:49:07,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-10-29 05:49:07,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 188. [2021-10-29 05:49:07,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.427807486631016) internal successors, (267), 187 states have internal predecessors, (267), 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) [2021-10-29 05:49:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2021-10-29 05:49:07,378 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 27 [2021-10-29 05:49:07,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:07,378 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2021-10-29 05:49:07,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2021-10-29 05:49:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 05:49:07,381 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:07,381 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:07,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:07,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:07,603 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:07,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:07,604 INFO L85 PathProgramCache]: Analyzing trace with hash -752997056, now seen corresponding path program 1 times [2021-10-29 05:49:07,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:07,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911439146] [2021-10-29 05:49:07,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:07,605 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:07,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:07,607 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:07,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:49:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:07,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:49:07,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:08,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:08,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:08,105 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:08,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911439146] [2021-10-29 05:49:08,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1911439146] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:08,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:08,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:49:08,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700299391] [2021-10-29 05:49:08,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:49:08,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:08,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:49:08,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:49:08,107 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 05:49:08,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:08,377 INFO L93 Difference]: Finished difference Result 703 states and 1003 transitions. [2021-10-29 05:49:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:49:08,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2021-10-29 05:49:08,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:08,383 INFO L225 Difference]: With dead ends: 703 [2021-10-29 05:49:08,383 INFO L226 Difference]: Without dead ends: 522 [2021-10-29 05:49:08,385 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:49:08,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-10-29 05:49:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2021-10-29 05:49:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.4108108108108108) internal successors, (261), 185 states have internal predecessors, (261), 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) [2021-10-29 05:49:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 261 transitions. [2021-10-29 05:49:08,446 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 261 transitions. Word has length 28 [2021-10-29 05:49:08,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:08,446 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 261 transitions. [2021-10-29 05:49:08,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-29 05:49:08,447 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 261 transitions. [2021-10-29 05:49:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 05:49:08,452 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:08,453 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:08,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:08,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:08,668 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:08,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:08,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1409801979, now seen corresponding path program 1 times [2021-10-29 05:49:08,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:08,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552544729] [2021-10-29 05:49:08,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:08,670 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:08,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:08,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:08,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:49:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:08,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:49:08,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:09,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:09,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:09,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552544729] [2021-10-29 05:49:09,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [552544729] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:09,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:09,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:49:09,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285574439] [2021-10-29 05:49:09,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:49:09,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:09,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:49:09,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:49:09,129 INFO L87 Difference]: Start difference. First operand 186 states and 261 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:09,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:09,252 INFO L93 Difference]: Finished difference Result 537 states and 745 transitions. [2021-10-29 05:49:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:49:09,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 05:49:09,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:09,256 INFO L225 Difference]: With dead ends: 537 [2021-10-29 05:49:09,256 INFO L226 Difference]: Without dead ends: 358 [2021-10-29 05:49:09,257 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:49:09,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-10-29 05:49:09,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2021-10-29 05:49:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.374384236453202) internal successors, (279), 203 states have internal predecessors, (279), 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) [2021-10-29 05:49:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 279 transitions. [2021-10-29 05:49:09,285 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 279 transitions. Word has length 34 [2021-10-29 05:49:09,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:09,285 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 279 transitions. [2021-10-29 05:49:09,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 279 transitions. [2021-10-29 05:49:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 05:49:09,287 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:09,287 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:09,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:09,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:09,504 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:09,504 INFO L85 PathProgramCache]: Analyzing trace with hash 2110866557, now seen corresponding path program 1 times [2021-10-29 05:49:09,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:09,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108456453] [2021-10-29 05:49:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:09,505 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:09,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:09,507 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:09,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:49:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:09,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:49:09,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:09,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:10,002 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:10,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108456453] [2021-10-29 05:49:10,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108456453] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:10,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:10,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:49:10,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108557375] [2021-10-29 05:49:10,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:49:10,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:10,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:49:10,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:49:10,010 INFO L87 Difference]: Start difference. First operand 204 states and 279 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-10-29 05:49:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:10,122 INFO L93 Difference]: Finished difference Result 587 states and 795 transitions. [2021-10-29 05:49:10,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:49:10,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 05:49:10,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:10,126 INFO L225 Difference]: With dead ends: 587 [2021-10-29 05:49:10,126 INFO L226 Difference]: Without dead ends: 390 [2021-10-29 05:49:10,127 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:49:10,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-10-29 05:49:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 216. [2021-10-29 05:49:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.3534883720930233) internal successors, (291), 215 states have internal predecessors, (291), 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) [2021-10-29 05:49:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2021-10-29 05:49:10,164 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 34 [2021-10-29 05:49:10,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:10,164 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2021-10-29 05:49:10,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-10-29 05:49:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2021-10-29 05:49:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 05:49:10,165 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:10,166 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:10,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:10,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:10,379 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:10,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:10,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1524060543, now seen corresponding path program 1 times [2021-10-29 05:49:10,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:10,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334789398] [2021-10-29 05:49:10,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:10,380 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:10,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:10,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:10,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:49:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:10,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:49:10,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:10,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:10,949 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:10,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334789398] [2021-10-29 05:49:10,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1334789398] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:10,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:10,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:49:10,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829351681] [2021-10-29 05:49:10,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:49:10,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:10,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:49:10,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:10,952 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:11,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:11,084 INFO L93 Difference]: Finished difference Result 682 states and 923 transitions. [2021-10-29 05:49:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:49:11,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 05:49:11,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:11,088 INFO L225 Difference]: With dead ends: 682 [2021-10-29 05:49:11,088 INFO L226 Difference]: Without dead ends: 473 [2021-10-29 05:49:11,089 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-10-29 05:49:11,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 381. [2021-10-29 05:49:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 380 states have (on average 1.3368421052631578) internal successors, (508), 380 states have internal predecessors, (508), 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) [2021-10-29 05:49:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 508 transitions. [2021-10-29 05:49:11,141 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 508 transitions. Word has length 34 [2021-10-29 05:49:11,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:11,142 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 508 transitions. [2021-10-29 05:49:11,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:49:11,142 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 508 transitions. [2021-10-29 05:49:11,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 05:49:11,144 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:11,144 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:11,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:11,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:11,356 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:11,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:11,357 INFO L85 PathProgramCache]: Analyzing trace with hash 128114367, now seen corresponding path program 1 times [2021-10-29 05:49:11,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:11,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925690888] [2021-10-29 05:49:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:11,358 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:11,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:11,359 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:11,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:49:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:11,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:49:11,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:11,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:11,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:11,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925690888] [2021-10-29 05:49:11,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925690888] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:11,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:11,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:49:11,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304920124] [2021-10-29 05:49:11,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:49:11,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:11,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:49:11,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:49:11,931 INFO L87 Difference]: Start difference. First operand 381 states and 508 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-29 05:49:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:12,064 INFO L93 Difference]: Finished difference Result 643 states and 852 transitions. [2021-10-29 05:49:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:49:12,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2021-10-29 05:49:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:12,072 INFO L225 Difference]: With dead ends: 643 [2021-10-29 05:49:12,072 INFO L226 Difference]: Without dead ends: 641 [2021-10-29 05:49:12,072 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:49:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-10-29 05:49:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 470. [2021-10-29 05:49:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 469 states have (on average 1.3624733475479744) internal successors, (639), 469 states have internal predecessors, (639), 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) [2021-10-29 05:49:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 639 transitions. [2021-10-29 05:49:12,160 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 639 transitions. Word has length 35 [2021-10-29 05:49:12,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:12,160 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 639 transitions. [2021-10-29 05:49:12,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-29 05:49:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 639 transitions. [2021-10-29 05:49:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-29 05:49:12,163 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:12,163 INFO L513 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1] [2021-10-29 05:49:12,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:12,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:12,377 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:12,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:12,377 INFO L85 PathProgramCache]: Analyzing trace with hash -74059363, now seen corresponding path program 1 times [2021-10-29 05:49:12,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:12,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634626015] [2021-10-29 05:49:12,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:12,378 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:12,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:12,379 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:12,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:49:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:12,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:49:12,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:12,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:49:13,039 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:13,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634626015] [2021-10-29 05:49:13,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634626015] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:13,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:13,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:49:13,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316767875] [2021-10-29 05:49:13,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:49:13,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:13,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:49:13,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:13,041 INFO L87 Difference]: Start difference. First operand 470 states and 639 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-10-29 05:49:15,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:15,821 INFO L93 Difference]: Finished difference Result 855 states and 1175 transitions. [2021-10-29 05:49:15,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:49:15,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 60 [2021-10-29 05:49:15,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:15,825 INFO L225 Difference]: With dead ends: 855 [2021-10-29 05:49:15,825 INFO L226 Difference]: Without dead ends: 392 [2021-10-29 05:49:15,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:49:15,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-10-29 05:49:15,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2021-10-29 05:49:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.3145780051150895) internal successors, (514), 391 states have internal predecessors, (514), 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) [2021-10-29 05:49:15,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 514 transitions. [2021-10-29 05:49:15,888 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 514 transitions. Word has length 60 [2021-10-29 05:49:15,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:15,888 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 514 transitions. [2021-10-29 05:49:15,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-10-29 05:49:15,889 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 514 transitions. [2021-10-29 05:49:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 05:49:15,890 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:15,891 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:15,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:16,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:16,106 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:16,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:16,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1742925099, now seen corresponding path program 1 times [2021-10-29 05:49:16,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:16,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21408858] [2021-10-29 05:49:16,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:16,108 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:16,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:16,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:16,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:49:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:16,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:49:16,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:16,689 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 05:49:16,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 05:49:16,811 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:16,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21408858] [2021-10-29 05:49:16,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21408858] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:16,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:16,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:49:16,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090662256] [2021-10-29 05:49:16,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:49:16,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:16,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:49:16,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:49:16,812 INFO L87 Difference]: Start difference. First operand 392 states and 514 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-29 05:49:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:18,543 INFO L93 Difference]: Finished difference Result 776 states and 1017 transitions. [2021-10-29 05:49:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:49:18,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 63 [2021-10-29 05:49:18,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:18,546 INFO L225 Difference]: With dead ends: 776 [2021-10-29 05:49:18,546 INFO L226 Difference]: Without dead ends: 299 [2021-10-29 05:49:18,548 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:49:18,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-29 05:49:18,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2021-10-29 05:49:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.278523489932886) internal successors, (381), 298 states have internal predecessors, (381), 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) [2021-10-29 05:49:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 381 transitions. [2021-10-29 05:49:18,594 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 381 transitions. Word has length 63 [2021-10-29 05:49:18,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:18,595 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 381 transitions. [2021-10-29 05:49:18,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-29 05:49:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 381 transitions. [2021-10-29 05:49:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 05:49:18,597 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:49:18,597 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:18,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:18,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:18,812 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:49:18,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:49:18,813 INFO L85 PathProgramCache]: Analyzing trace with hash 753888454, now seen corresponding path program 1 times [2021-10-29 05:49:18,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:49:18,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932394912] [2021-10-29 05:49:18,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:49:18,814 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:49:18,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:49:18,815 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:49:18,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 05:49:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:49:19,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:49:19,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:49:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:49:19,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:49:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:49:19,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:49:19,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932394912] [2021-10-29 05:49:19,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932394912] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:49:19,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:49:19,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:49:19,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399574908] [2021-10-29 05:49:19,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:49:19,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:49:19,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:49:19,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:49:19,726 INFO L87 Difference]: Start difference. First operand 299 states and 381 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2021-10-29 05:49:22,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:49:22,588 INFO L93 Difference]: Finished difference Result 952 states and 1186 transitions. [2021-10-29 05:49:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:49:22,599 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 63 [2021-10-29 05:49:22,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:49:22,599 INFO L225 Difference]: With dead ends: 952 [2021-10-29 05:49:22,600 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:49:22,601 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:49:22,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:49:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:49:22,602 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) [2021-10-29 05:49:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:49:22,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-29 05:49:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:49:22,603 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:49:22,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2021-10-29 05:49:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:49:22,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:49:22,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:49:22,610 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:49:22,611 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:49:22,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:49:22,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:49:22,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:49:22,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:22,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:22,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:22,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:22,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:22,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:22,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:23,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:24,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:25,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:26,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:49:34,036 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-29 05:49:34,036 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-29 05:49:34,037 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-29 05:49:34,037 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-29 05:49:34,037 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 913) no Hoare annotation was computed. [2021-10-29 05:49:34,038 INFO L853 garLoopResultBuilder]: At program point L896-1(lines 1 1022) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) .cse4) (and .cse0 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse5 .cse7)))) [2021-10-29 05:49:34,038 INFO L853 garLoopResultBuilder]: At program point L929-2(lines 929 943) the Hoare annotation is: false [2021-10-29 05:49:34,038 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 913) no Hoare annotation was computed. [2021-10-29 05:49:34,038 INFO L853 garLoopResultBuilder]: At program point L896-3(lines 1 1022) the Hoare annotation is: false [2021-10-29 05:49:34,038 INFO L857 garLoopResultBuilder]: For program point L896-4(lines 896 913) no Hoare annotation was computed. [2021-10-29 05:49:34,038 INFO L853 garLoopResultBuilder]: At program point L896-5(lines 1 1022) the Hoare annotation is: false [2021-10-29 05:49:34,038 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:49:34,039 INFO L853 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:49:34,039 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,039 INFO L857 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,039 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,039 INFO L857 garLoopResultBuilder]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,040 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,040 INFO L857 garLoopResultBuilder]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,040 INFO L857 garLoopResultBuilder]: For program point L467-9(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,040 INFO L857 garLoopResultBuilder]: For program point L467-11(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,040 INFO L857 garLoopResultBuilder]: For program point L467-12(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,040 INFO L857 garLoopResultBuilder]: For program point L467-14(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,041 INFO L857 garLoopResultBuilder]: For program point L467-15(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,041 INFO L857 garLoopResultBuilder]: For program point L467-17(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,041 INFO L857 garLoopResultBuilder]: For program point L930(line 930) no Hoare annotation was computed. [2021-10-29 05:49:34,041 INFO L857 garLoopResultBuilder]: For program point L467-18(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,041 INFO L857 garLoopResultBuilder]: For program point L467-20(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,041 INFO L857 garLoopResultBuilder]: For program point L467-21(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,041 INFO L857 garLoopResultBuilder]: For program point L467-23(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,042 INFO L857 garLoopResultBuilder]: For program point L467-24(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,042 INFO L857 garLoopResultBuilder]: For program point L467-26(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,042 INFO L857 garLoopResultBuilder]: For program point L467-27(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,042 INFO L857 garLoopResultBuilder]: For program point L467-29(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,042 INFO L857 garLoopResultBuilder]: For program point L467-30(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,042 INFO L857 garLoopResultBuilder]: For program point L467-32(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,043 INFO L857 garLoopResultBuilder]: For program point L467-33(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,043 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 377) no Hoare annotation was computed. [2021-10-29 05:49:34,043 INFO L857 garLoopResultBuilder]: For program point L369-1(lines 369 377) no Hoare annotation was computed. [2021-10-29 05:49:34,043 INFO L857 garLoopResultBuilder]: For program point L467-35(lines 467 471) no Hoare annotation was computed. [2021-10-29 05:49:34,043 INFO L857 garLoopResultBuilder]: For program point L369-2(lines 369 377) no Hoare annotation was computed. [2021-10-29 05:49:34,044 INFO L853 garLoopResultBuilder]: At program point L139(lines 134 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 05:49:34,044 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 134 142) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (not .cse8)) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse8 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse4)))) [2021-10-29 05:49:34,044 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2021-10-29 05:49:34,044 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 134 142) the Hoare annotation is: false [2021-10-29 05:49:34,044 INFO L853 garLoopResultBuilder]: At program point L139-4(lines 134 142) the Hoare annotation is: false [2021-10-29 05:49:34,045 INFO L853 garLoopResultBuilder]: At program point L139-5(lines 134 142) the Hoare annotation is: false [2021-10-29 05:49:34,045 INFO L857 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-10-29 05:49:34,045 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 910) no Hoare annotation was computed. [2021-10-29 05:49:34,045 INFO L857 garLoopResultBuilder]: For program point L933-1(lines 281 287) no Hoare annotation was computed. [2021-10-29 05:49:34,045 INFO L857 garLoopResultBuilder]: For program point L900-2(lines 900 910) no Hoare annotation was computed. [2021-10-29 05:49:34,046 INFO L857 garLoopResultBuilder]: For program point L900-4(lines 900 910) no Hoare annotation was computed. [2021-10-29 05:49:34,046 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 356) no Hoare annotation was computed. [2021-10-29 05:49:34,046 INFO L857 garLoopResultBuilder]: For program point L339-1(lines 339 356) no Hoare annotation was computed. [2021-10-29 05:49:34,046 INFO L857 garLoopResultBuilder]: For program point L339-2(lines 339 356) no Hoare annotation was computed. [2021-10-29 05:49:34,046 INFO L857 garLoopResultBuilder]: For program point L339-3(lines 339 356) no Hoare annotation was computed. [2021-10-29 05:49:34,047 INFO L857 garLoopResultBuilder]: For program point L339-4(lines 339 356) no Hoare annotation was computed. [2021-10-29 05:49:34,047 INFO L857 garLoopResultBuilder]: For program point L339-5(lines 339 356) no Hoare annotation was computed. [2021-10-29 05:49:34,047 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 1022) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:49:34,047 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-29 05:49:34,047 INFO L857 garLoopResultBuilder]: For program point L901-2(lines 901 907) no Hoare annotation was computed. [2021-10-29 05:49:34,048 INFO L857 garLoopResultBuilder]: For program point L901-4(lines 901 907) no Hoare annotation was computed. [2021-10-29 05:49:34,048 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-29 05:49:34,048 INFO L857 garLoopResultBuilder]: For program point L1001(lines 1001 1008) no Hoare annotation was computed. [2021-10-29 05:49:34,048 INFO L860 garLoopResultBuilder]: At program point L1001-1(lines 1001 1008) the Hoare annotation is: true [2021-10-29 05:49:34,048 INFO L853 garLoopResultBuilder]: At program point L473(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,049 INFO L853 garLoopResultBuilder]: At program point L473-1(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,049 INFO L853 garLoopResultBuilder]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,049 INFO L853 garLoopResultBuilder]: At program point L473-3(lines 458 476) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse1 .cse2))) [2021-10-29 05:49:34,049 INFO L853 garLoopResultBuilder]: At program point L473-4(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,050 INFO L853 garLoopResultBuilder]: At program point L473-5(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,050 INFO L853 garLoopResultBuilder]: At program point L473-6(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,050 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 255) no Hoare annotation was computed. [2021-10-29 05:49:34,050 INFO L853 garLoopResultBuilder]: At program point L473-7(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,050 INFO L853 garLoopResultBuilder]: At program point L473-8(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,051 INFO L853 garLoopResultBuilder]: At program point L473-9(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,051 INFO L853 garLoopResultBuilder]: At program point L473-10(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,051 INFO L853 garLoopResultBuilder]: At program point L473-11(lines 458 476) the Hoare annotation is: false [2021-10-29 05:49:34,051 INFO L853 garLoopResultBuilder]: At program point L409(lines 402 412) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 05:49:34,051 INFO L853 garLoopResultBuilder]: At program point L409-1(lines 402 412) the Hoare annotation is: false [2021-10-29 05:49:34,052 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 351) no Hoare annotation was computed. [2021-10-29 05:49:34,052 INFO L853 garLoopResultBuilder]: At program point L409-2(lines 402 412) the Hoare annotation is: false [2021-10-29 05:49:34,052 INFO L857 garLoopResultBuilder]: For program point L343-1(lines 343 351) no Hoare annotation was computed. [2021-10-29 05:49:34,052 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2021-10-29 05:49:34,052 INFO L857 garLoopResultBuilder]: For program point L343-3(lines 343 351) no Hoare annotation was computed. [2021-10-29 05:49:34,053 INFO L857 garLoopResultBuilder]: For program point L343-4(lines 343 351) no Hoare annotation was computed. [2021-10-29 05:49:34,053 INFO L857 garLoopResultBuilder]: For program point L343-5(lines 343 351) no Hoare annotation was computed. [2021-10-29 05:49:34,053 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,053 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,053 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,053 INFO L857 garLoopResultBuilder]: For program point L179-3(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,053 INFO L857 garLoopResultBuilder]: For program point L179-4(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,054 INFO L857 garLoopResultBuilder]: For program point L179-5(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,054 INFO L857 garLoopResultBuilder]: For program point L179-6(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,054 INFO L857 garLoopResultBuilder]: For program point L179-7(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,054 INFO L857 garLoopResultBuilder]: For program point L179-8(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,054 INFO L857 garLoopResultBuilder]: For program point L179-9(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L179-10(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L179-11(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L213(lines 212 259) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L313-1(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L214(lines 214 218) no Hoare annotation was computed. [2021-10-29 05:49:34,055 INFO L857 garLoopResultBuilder]: For program point L313-3(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-4(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-5(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-6(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-7(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-8(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-9(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-10(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,056 INFO L857 garLoopResultBuilder]: For program point L313-11(lines 313 330) no Hoare annotation was computed. [2021-10-29 05:49:34,057 INFO L853 garLoopResultBuilder]: At program point L281(lines 280 299) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not .cse7))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2) (and .cse0 .cse4 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse7 .cse3) (and .cse0 (bvslt ~waterLevel~0 (_ bv2 32)) .cse6 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2)))) [2021-10-29 05:49:34,057 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2021-10-29 05:49:34,057 INFO L857 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2021-10-29 05:49:34,057 INFO L853 garLoopResultBuilder]: At program point L248-1(lines 281 287) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not .cse5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse2 .cse7 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse4)))) [2021-10-29 05:49:34,057 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 280 299) the Hoare annotation is: false [2021-10-29 05:49:34,058 INFO L853 garLoopResultBuilder]: At program point L281-3(lines 280 299) the Hoare annotation is: false [2021-10-29 05:49:34,058 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:49:34,058 INFO L853 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,058 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,058 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,059 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 175 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3))) [2021-10-29 05:49:34,059 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,059 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,059 INFO L853 garLoopResultBuilder]: At program point L184-6(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,059 INFO L860 garLoopResultBuilder]: At program point L1010(lines 991 1013) the Hoare annotation is: true [2021-10-29 05:49:34,060 INFO L853 garLoopResultBuilder]: At program point L977(lines 973 979) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:49:34,060 INFO L853 garLoopResultBuilder]: At program point L184-7(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,060 INFO L853 garLoopResultBuilder]: At program point L184-8(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,060 INFO L853 garLoopResultBuilder]: At program point L184-9(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,060 INFO L853 garLoopResultBuilder]: At program point L184-10(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,061 INFO L853 garLoopResultBuilder]: At program point L184-11(lines 175 188) the Hoare annotation is: false [2021-10-29 05:49:34,061 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:49:34,061 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,061 INFO L857 garLoopResultBuilder]: For program point L317-1(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,061 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,062 INFO L857 garLoopResultBuilder]: For program point L317-3(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,062 INFO L857 garLoopResultBuilder]: For program point L317-4(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,062 INFO L857 garLoopResultBuilder]: For program point L317-5(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,062 INFO L857 garLoopResultBuilder]: For program point L317-6(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,062 INFO L857 garLoopResultBuilder]: For program point L317-7(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,062 INFO L857 garLoopResultBuilder]: For program point L317-8(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,063 INFO L857 garLoopResultBuilder]: For program point L317-9(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,063 INFO L857 garLoopResultBuilder]: For program point L317-10(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,063 INFO L857 garLoopResultBuilder]: For program point L317-11(lines 317 325) no Hoare annotation was computed. [2021-10-29 05:49:34,063 INFO L853 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (not .cse6)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse5)))) [2021-10-29 05:49:34,063 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-10-29 05:49:34,064 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-10-29 05:49:34,064 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,064 INFO L857 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,064 INFO L857 garLoopResultBuilder]: For program point L486-3(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,064 INFO L857 garLoopResultBuilder]: For program point L486-5(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,065 INFO L853 garLoopResultBuilder]: At program point L288(lines 288 294) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse5 .cse2) (and .cse0 .cse6 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2)))) [2021-10-29 05:49:34,065 INFO L857 garLoopResultBuilder]: For program point L486-6(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,065 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 288 294) the Hoare annotation is: false [2021-10-29 05:49:34,065 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 228) no Hoare annotation was computed. [2021-10-29 05:49:34,065 INFO L857 garLoopResultBuilder]: For program point L486-8(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,066 INFO L853 garLoopResultBuilder]: At program point L288-2(lines 288 294) the Hoare annotation is: false [2021-10-29 05:49:34,066 INFO L853 garLoopResultBuilder]: At program point L222-1(lines 222 228) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) .cse4) (and .cse0 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse5 .cse7)))) [2021-10-29 05:49:34,066 INFO L857 garLoopResultBuilder]: For program point L486-9(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,066 INFO L857 garLoopResultBuilder]: For program point L486-11(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,066 INFO L857 garLoopResultBuilder]: For program point L486-12(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,066 INFO L857 garLoopResultBuilder]: For program point L486-14(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,067 INFO L857 garLoopResultBuilder]: For program point L486-15(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,067 INFO L857 garLoopResultBuilder]: For program point L486-17(lines 486 490) no Hoare annotation was computed. [2021-10-29 05:49:34,067 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:49:34,067 INFO L853 garLoopResultBuilder]: At program point L885(lines 880 887) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:49:34,067 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-29 05:49:34,068 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:49:34,068 INFO L857 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-10-29 05:49:34,068 INFO L857 garLoopResultBuilder]: For program point L1019-1(line 1019) no Hoare annotation was computed. [2021-10-29 05:49:34,068 INFO L857 garLoopResultBuilder]: For program point L1019-2(line 1019) no Hoare annotation was computed. [2021-10-29 05:49:34,068 INFO L853 garLoopResultBuilder]: At program point L260(lines 211 261) the Hoare annotation is: false [2021-10-29 05:49:34,069 INFO L853 garLoopResultBuilder]: At program point L194(lines 189 197) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-29 05:49:34,069 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 189 197) the Hoare annotation is: false [2021-10-29 05:49:34,069 INFO L853 garLoopResultBuilder]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2021-10-29 05:49:34,069 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 189 197) the Hoare annotation is: false [2021-10-29 05:49:34,069 INFO L853 garLoopResultBuilder]: At program point L194-4(lines 189 197) the Hoare annotation is: false [2021-10-29 05:49:34,069 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 189 197) the Hoare annotation is: false [2021-10-29 05:49:34,070 INFO L853 garLoopResultBuilder]: At program point L492(lines 477 495) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-29 05:49:34,070 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 477 495) the Hoare annotation is: false [2021-10-29 05:49:34,070 INFO L853 garLoopResultBuilder]: At program point L492-2(lines 477 495) the Hoare annotation is: false [2021-10-29 05:49:34,070 INFO L853 garLoopResultBuilder]: At program point L492-3(lines 477 495) the Hoare annotation is: false [2021-10-29 05:49:34,070 INFO L853 garLoopResultBuilder]: At program point L492-4(lines 477 495) the Hoare annotation is: false [2021-10-29 05:49:34,071 INFO L853 garLoopResultBuilder]: At program point L492-5(lines 477 495) the Hoare annotation is: false [2021-10-29 05:49:34,071 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:49:34,071 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-29 05:49:34,071 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-10-29 05:49:34,071 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 232 238) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not .cse7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse2 .cse5) (and .cse0 .cse1 .cse6 .cse4)))) [2021-10-29 05:49:34,072 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 382) no Hoare annotation was computed. [2021-10-29 05:49:34,072 INFO L857 garLoopResultBuilder]: For program point L365-1(lines 365 382) no Hoare annotation was computed. [2021-10-29 05:49:34,072 INFO L857 garLoopResultBuilder]: For program point L365-2(lines 365 382) no Hoare annotation was computed. [2021-10-29 05:49:34,076 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:49:34,078 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:49:34,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:49:34 BoogieIcfgContainer [2021-10-29 05:49:34,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:49:34,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:49:34,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:49:34,120 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:49:34,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:49:03" (3/4) ... [2021-10-29 05:49:34,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:49:34,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:49:34,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:49:34,156 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:49:34,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:49:34,159 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:49:34,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:49:34,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:49:34,192 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:49:34,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:49:34,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 05:49:34,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 05:49:34,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 05:49:34,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 05:49:34,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-29 05:49:34,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-29 05:49:34,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:49:34,199 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 05:49:34,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-29 05:49:34,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-29 05:49:34,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-29 05:49:34,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:49:34,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:49:34,328 INFO L168 Benchmark]: Toolchain (without parser) took 34839.61 ms. Allocated memory was 56.6 MB in the beginning and 130.0 MB in the end (delta: 73.4 MB). Free memory was 33.8 MB in the beginning and 61.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:34,329 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:49:34,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.07 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 48.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:34,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.19 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 43.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:34,330 INFO L168 Benchmark]: Boogie Preprocessor took 109.59 ms. Allocated memory is still 69.2 MB. Free memory was 43.4 MB in the beginning and 39.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:34,331 INFO L168 Benchmark]: RCFGBuilder took 2946.50 ms. Allocated memory is still 69.2 MB. Free memory was 39.7 MB in the beginning and 37.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:34,331 INFO L168 Benchmark]: TraceAbstraction took 30760.77 ms. Allocated memory was 69.2 MB in the beginning and 130.0 MB in the end (delta: 60.8 MB). Free memory was 37.3 MB in the beginning and 76.4 MB in the end (delta: -39.1 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:34,332 INFO L168 Benchmark]: Witness Printer took 206.88 ms. Allocated memory is still 130.0 MB. Free memory was 76.4 MB in the beginning and 61.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:49:34,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 37.9 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.07 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.6 MB in the beginning and 48.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.19 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 43.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 109.59 ms. Allocated memory is still 69.2 MB. Free memory was 43.4 MB in the beginning and 39.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2946.50 ms. Allocated memory is still 69.2 MB. Free memory was 39.7 MB in the beginning and 37.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30760.77 ms. Allocated memory was 69.2 MB in the beginning and 130.0 MB in the end (delta: 60.8 MB). Free memory was 37.3 MB in the beginning and 76.4 MB in the end (delta: -39.1 MB). Peak memory consumption was 70.8 MB. Max. memory is 16.1 GB. * Witness Printer took 206.88 ms. Allocated memory is still 130.0 MB. Free memory was 76.4 MB in the beginning and 61.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: 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, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 30.6s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1677 SDtfs, 1952 SDslu, 2752 SDs, 0 SdLazy, 337 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 932 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=10, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1209 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 376 NumberOfFragments, 1020 HoareAnnotationTreeSize, 69 FomulaSimplifications, 326929 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 540966 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 1664 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2824 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 134/134 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: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:49:34,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d12fb5-d82c-49fd-a1ee-cb4f51cd08a7/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...