./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.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_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/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_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/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_c2e171dd-4379-4505-8ff0-923d42000087/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 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 ............................................................................................................................................ 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_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/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_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/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_c2e171dd-4379-4505-8ff0-923d42000087/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 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:02:40,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:02:40,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:02:41,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:02:41,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:02:41,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:02:41,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:02:41,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:02:41,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:02:41,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:02:41,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:02:41,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:02:41,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:02:41,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:02:41,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:02:41,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:02:41,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:02:41,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:02:41,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:02:41,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:02:41,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:02:41,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:02:41,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:02:41,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:02:41,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:02:41,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:02:41,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:02:41,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:02:41,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:02:41,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:02:41,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:02:41,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:02:41,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:02:41,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:02:41,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:02:41,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:02:41,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:02:41,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:02:41,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:02:41,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:02:41,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:02:41,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:02:41,161 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:02:41,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:02:41,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:02:41,163 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:02:41,163 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:02:41,163 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:02:41,163 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:02:41,163 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:02:41,164 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:02:41,164 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:02:41,164 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:02:41,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:02:41,165 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:02:41,165 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:02:41,165 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:02:41,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:02:41,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:02:41,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:02:41,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:02:41,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:02:41,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:02:41,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:02:41,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:02:41,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:02:41,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:02:41,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:02:41,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:02:41,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:02:41,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:02:41,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:02:41,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:02:41,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:02:41,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:02:41,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:02:41,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:02:41,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:02:41,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:02:41,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:02:41,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:02:41,171 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_c2e171dd-4379-4505-8ff0-923d42000087/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2021-10-29 05:02:41,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:02:41,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:02:41,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:02:41,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:02:41,471 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:02:41,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-29 05:02:41,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/2d82ae2c0/535b186db64f4206aa13077220b044cb/FLAGbb0ff49ea [2021-10-29 05:02:42,231 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:02:42,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-29 05:02:42,251 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/2d82ae2c0/535b186db64f4206aa13077220b044cb/FLAGbb0ff49ea [2021-10-29 05:02:42,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/2d82ae2c0/535b186db64f4206aa13077220b044cb [2021-10-29 05:02:42,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:02:42,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:02:42,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:02:42,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:02:42,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:02:42,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:02:42" (1/1) ... [2021-10-29 05:02:42,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb22e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:42, skipping insertion in model container [2021-10-29 05:02:42,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:02:42" (1/1) ... [2021-10-29 05:02:42,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:02:42,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:02:42,944 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_c2e171dd-4379-4505-8ff0-923d42000087/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-29 05:02:42,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:02:42,983 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 05:02:42,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29a7817c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:42, skipping insertion in model container [2021-10-29 05:02:42,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:02:42,985 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:02:42,987 INFO L168 Benchmark]: Toolchain (without parser) took 485.64 ms. Allocated memory is still 117.4 MB. Free memory was 81.2 MB in the beginning and 89.4 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:02:42,988 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 87.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:02:42,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.79 ms. Allocated memory is still 117.4 MB. Free memory was 81.0 MB in the beginning and 89.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:02:42,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 117.4 MB. Free memory was 87.9 MB in the beginning and 87.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.79 ms. Allocated memory is still 117.4 MB. Free memory was 81.0 MB in the beginning and 89.4 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:02:45,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:02:45,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:02:45,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:02:45,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:02:45,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:02:45,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:02:45,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:02:45,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:02:45,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:02:45,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:02:45,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:02:45,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:02:45,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:02:45,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:02:45,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:02:45,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:02:45,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:02:45,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:02:45,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:02:45,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:02:45,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:02:45,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:02:45,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:02:45,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:02:45,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:02:45,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:02:45,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:02:45,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:02:45,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:02:45,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:02:45,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:02:45,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:02:45,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:02:45,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:02:45,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:02:45,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:02:45,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:02:45,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:02:45,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:02:45,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:02:45,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:02:45,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:02:45,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:02:45,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:02:45,372 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:02:45,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:02:45,372 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:02:45,372 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:02:45,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:02:45,373 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:02:45,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:02:45,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:02:45,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:02:45,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:02:45,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:02:45,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:02:45,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:02:45,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:02:45,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:02:45,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:02:45,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:02:45,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:02:45,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:02:45,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:02:45,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:02:45,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:02:45,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:02:45,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:02:45,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:02:45,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:02:45,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:02:45,378 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:02:45,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:02:45,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:02:45,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:02:45,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:02:45,379 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_c2e171dd-4379-4505-8ff0-923d42000087/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2021-10-29 05:02:45,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:02:45,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:02:45,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:02:45,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:02:45,805 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:02:45,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-29 05:02:45,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/862b2b0ea/f53cb03fe0f04b7e804353b4a3a9cc5e/FLAGad59c5ba9 [2021-10-29 05:02:46,422 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:02:46,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2021-10-29 05:02:46,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/862b2b0ea/f53cb03fe0f04b7e804353b4a3a9cc5e/FLAGad59c5ba9 [2021-10-29 05:02:46,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/data/862b2b0ea/f53cb03fe0f04b7e804353b4a3a9cc5e [2021-10-29 05:02:46,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:02:46,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:02:46,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:02:46,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:02:46,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:02:46,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:02:46" (1/1) ... [2021-10-29 05:02:46,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d996a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:46, skipping insertion in model container [2021-10-29 05:02:46,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:02:46" (1/1) ... [2021-10-29 05:02:46,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:02:46,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:02:47,115 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_c2e171dd-4379-4505-8ff0-923d42000087/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-29 05:02:47,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:02:47,162 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:02:47,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:02:47,220 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_c2e171dd-4379-4505-8ff0-923d42000087/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-29 05:02:47,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:02:47,271 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:02:47,340 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_c2e171dd-4379-4505-8ff0-923d42000087/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2021-10-29 05:02:47,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:02:47,389 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:02:47,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47 WrapperNode [2021-10-29 05:02:47,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:02:47,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:02:47,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:02:47,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:02:47,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:02:47,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:02:47,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:02:47,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:02:47,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:02:47,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:02:47,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:02:47,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:02:47,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (1/1) ... [2021-10-29 05:02:47,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:02:47,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:02:47,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:02:47,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:02:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:02:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:02:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:02:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:02:49,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:02:49,959 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-29 05:02:49,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:02:49 BoogieIcfgContainer [2021-10-29 05:02:49,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:02:49,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:02:49,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:02:49,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:02:49,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:02:46" (1/3) ... [2021-10-29 05:02:49,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb5a1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:02:49, skipping insertion in model container [2021-10-29 05:02:49,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:02:47" (2/3) ... [2021-10-29 05:02:49,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb5a1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:02:49, skipping insertion in model container [2021-10-29 05:02:49,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:02:49" (3/3) ... [2021-10-29 05:02:49,970 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2021-10-29 05:02:49,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:02:49,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:02:50,025 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:02:50,031 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 05:02:50,031 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:02:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 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 05:02:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:02:50,056 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:50,057 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 05:02:50,058 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 05:02:50,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:50,063 INFO L85 PathProgramCache]: Analyzing trace with hash -38817959, now seen corresponding path program 1 times [2021-10-29 05:02:50,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:50,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823927632] [2021-10-29 05:02:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:50,079 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:50,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:50,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:50,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:02:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:50,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:02:50,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:50,452 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 05:02:50,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:50,564 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 05:02:50,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:50,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823927632] [2021-10-29 05:02:50,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823927632] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:50,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:50,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:02:50,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513778429] [2021-10-29 05:02:50,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:02:50,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:02:50,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:02:50,614 INFO L87 Difference]: Start difference. First operand has 141 states, 137 states have (on average 1.532846715328467) internal successors, (210), 140 states have internal predecessors, (210), 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 05:02:50,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:50,672 INFO L93 Difference]: Finished difference Result 276 states and 413 transitions. [2021-10-29 05:02:50,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:02:50,684 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 05:02:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:50,702 INFO L225 Difference]: With dead ends: 276 [2021-10-29 05:02:50,702 INFO L226 Difference]: Without dead ends: 137 [2021-10-29 05:02:50,705 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 05:02:50,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-29 05:02:50,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-29 05:02:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 136 states have internal predecessors, (198), 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 05:02:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2021-10-29 05:02:50,768 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2021-10-29 05:02:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:50,769 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2021-10-29 05:02:50,770 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 05:02:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2021-10-29 05:02:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:02:50,773 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:50,773 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 05:02:50,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:50,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:50,992 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 05:02:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:50,993 INFO L85 PathProgramCache]: Analyzing trace with hash -949848712, now seen corresponding path program 1 times [2021-10-29 05:02:50,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:50,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928391889] [2021-10-29 05:02:50,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:50,998 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:50,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:50,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:51,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:02:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:51,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:02:51,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:51,287 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 05:02:51,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:51,358 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 05:02:51,358 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:51,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928391889] [2021-10-29 05:02:51,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928391889] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:51,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:51,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:02:51,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253568436] [2021-10-29 05:02:51,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:02:51,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:51,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:02:51,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:02:51,369 INFO L87 Difference]: Start difference. First operand 137 states and 198 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 05:02:51,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:51,404 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2021-10-29 05:02:51,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:02:51,407 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 05:02:51,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:51,410 INFO L225 Difference]: With dead ends: 137 [2021-10-29 05:02:51,410 INFO L226 Difference]: Without dead ends: 55 [2021-10-29 05:02:51,412 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 05:02:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-29 05:02:51,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-29 05:02:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 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 05:02:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-29 05:02:51,429 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-29 05:02:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:51,430 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-29 05:02:51,430 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 05:02:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-29 05:02:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:02:51,431 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:51,431 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 05:02:51,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:51,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:51,632 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 05:02:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:51,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2021-10-29 05:02:51,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:51,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683940821] [2021-10-29 05:02:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:51,634 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:51,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:51,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:51,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:02:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:51,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:02:51,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:51,984 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 05:02:51,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:52,085 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 05:02:52,086 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:52,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683940821] [2021-10-29 05:02:52,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683940821] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:52,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:52,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:02:52,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359012263] [2021-10-29 05:02:52,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:02:52,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:52,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:02:52,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:02:52,092 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 05:02:52,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:52,113 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2021-10-29 05:02:52,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:02:52,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 05:02:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:52,115 INFO L225 Difference]: With dead ends: 104 [2021-10-29 05:02:52,115 INFO L226 Difference]: Without dead ends: 55 [2021-10-29 05:02:52,118 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 05:02:52,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-29 05:02:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-29 05:02:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 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 05:02:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-29 05:02:52,132 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-29 05:02:52,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:52,133 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-29 05:02:52,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 05:02:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-29 05:02:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:02:52,135 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:52,135 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:02:52,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:52,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:52,352 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 05:02:52,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:52,352 INFO L85 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2021-10-29 05:02:52,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:52,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876571069] [2021-10-29 05:02:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:52,353 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:52,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:52,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:52,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:02:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:52,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:02:52,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:52,624 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 05:02:52,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:52,681 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 05:02:52,682 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:52,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876571069] [2021-10-29 05:02:52,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876571069] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:52,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:52,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:02:52,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867832080] [2021-10-29 05:02:52,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:02:52,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:52,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:02:52,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:02:52,691 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 05:02:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:52,755 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-10-29 05:02:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:02:52,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 05:02:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:52,758 INFO L225 Difference]: With dead ends: 127 [2021-10-29 05:02:52,758 INFO L226 Difference]: Without dead ends: 78 [2021-10-29 05:02:52,759 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 05:02:52,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-29 05:02:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2021-10-29 05:02:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 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 05:02:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2021-10-29 05:02:52,774 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2021-10-29 05:02:52,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:52,774 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2021-10-29 05:02:52,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 05:02:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2021-10-29 05:02:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:02:52,785 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:52,785 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] [2021-10-29 05:02:52,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:52,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:52,997 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 05:02:52,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:52,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2021-10-29 05:02:52,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:52,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871141020] [2021-10-29 05:02:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:52,999 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:52,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:53,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:53,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:02:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:53,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:02:53,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:53,361 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 05:02:53,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:53,503 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 05:02:53,503 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:53,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871141020] [2021-10-29 05:02:53,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871141020] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:53,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:53,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:02:53,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49719830] [2021-10-29 05:02:53,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:02:53,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:53,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:02:53,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:02:53,505 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 05:02:53,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:53,929 INFO L93 Difference]: Finished difference Result 841 states and 1225 transitions. [2021-10-29 05:02:53,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-29 05:02:53,930 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 32 [2021-10-29 05:02:53,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:53,935 INFO L225 Difference]: With dead ends: 841 [2021-10-29 05:02:53,936 INFO L226 Difference]: Without dead ends: 771 [2021-10-29 05:02:53,937 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:02:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-10-29 05:02:53,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 186. [2021-10-29 05:02:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 states have internal predecessors, (260), 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 05:02:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 260 transitions. [2021-10-29 05:02:53,970 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 260 transitions. Word has length 32 [2021-10-29 05:02:53,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:53,971 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 260 transitions. [2021-10-29 05:02:53,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 05:02:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 260 transitions. [2021-10-29 05:02:53,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:02:53,982 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:53,983 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] [2021-10-29 05:02:53,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:54,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:54,196 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 05:02:54,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2021-10-29 05:02:54,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:54,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982644028] [2021-10-29 05:02:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:54,197 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:54,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:54,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:54,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:02:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:54,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:02:54,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:54,534 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 05:02:54,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:54,606 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 05:02:54,606 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:54,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982644028] [2021-10-29 05:02:54,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982644028] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:54,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:54,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:02:54,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525002986] [2021-10-29 05:02:54,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:02:54,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:54,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:02:54,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:02:54,610 INFO L87 Difference]: Start difference. First operand 186 states and 260 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:02:54,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:54,703 INFO L93 Difference]: Finished difference Result 585 states and 826 transitions. [2021-10-29 05:02:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:02:54,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-29 05:02:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:54,707 INFO L225 Difference]: With dead ends: 585 [2021-10-29 05:02:54,707 INFO L226 Difference]: Without dead ends: 452 [2021-10-29 05:02:54,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:02:54,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-10-29 05:02:54,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 190. [2021-10-29 05:02:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 189 states have internal predecessors, (262), 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 05:02:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2021-10-29 05:02:54,745 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 33 [2021-10-29 05:02:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:54,745 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2021-10-29 05:02:54,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:02:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2021-10-29 05:02:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:02:54,749 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:54,750 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] [2021-10-29 05:02:54,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:54,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:54,962 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 05:02:54,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:54,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2021-10-29 05:02:54,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:54,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [28307938] [2021-10-29 05:02:54,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:54,964 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:54,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:54,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:55,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:02:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:55,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:02:55,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:02:55,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:55,433 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 05:02:55,433 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:55,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [28307938] [2021-10-29 05:02:55,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [28307938] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:55,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:55,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:02:55,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905109199] [2021-10-29 05:02:55,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:02:55,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:55,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:02:55,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:02:55,435 INFO L87 Difference]: Start difference. First operand 190 states and 262 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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 05:02:55,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:55,589 INFO L93 Difference]: Finished difference Result 720 states and 1006 transitions. [2021-10-29 05:02:55,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:02:55,590 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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 33 [2021-10-29 05:02:55,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:55,595 INFO L225 Difference]: With dead ends: 720 [2021-10-29 05:02:55,595 INFO L226 Difference]: Without dead ends: 536 [2021-10-29 05:02:55,596 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:02:55,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-29 05:02:55,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 199. [2021-10-29 05:02:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 198 states have (on average 1.3585858585858586) internal successors, (269), 198 states have internal predecessors, (269), 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 05:02:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 269 transitions. [2021-10-29 05:02:55,631 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 269 transitions. Word has length 33 [2021-10-29 05:02:55,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:55,631 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 269 transitions. [2021-10-29 05:02:55,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 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 05:02:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2021-10-29 05:02:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:02:55,632 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:55,632 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, 1] [2021-10-29 05:02:55,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:55,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:55,850 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 05:02:55,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:55,850 INFO L85 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2021-10-29 05:02:55,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:55,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655031664] [2021-10-29 05:02:55,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:55,851 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:55,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:55,852 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:55,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:02:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:56,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:02:56,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:56,283 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 05:02:56,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:56,395 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 05:02:56,395 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:56,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655031664] [2021-10-29 05:02:56,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655031664] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:56,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:56,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:02:56,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286601587] [2021-10-29 05:02:56,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:02:56,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:56,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:02:56,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:02:56,397 INFO L87 Difference]: Start difference. First operand 199 states and 269 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:02:56,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:02:56,775 INFO L93 Difference]: Finished difference Result 1566 states and 2101 transitions. [2021-10-29 05:02:56,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 05:02:56,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:02:56,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:02:56,783 INFO L225 Difference]: With dead ends: 1566 [2021-10-29 05:02:56,784 INFO L226 Difference]: Without dead ends: 1373 [2021-10-29 05:02:56,785 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-29 05:02:56,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-10-29 05:02:56,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 390. [2021-10-29 05:02:56,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 1.3367609254498716) internal successors, (520), 389 states have internal predecessors, (520), 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 05:02:56,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 520 transitions. [2021-10-29 05:02:56,862 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 520 transitions. Word has length 36 [2021-10-29 05:02:56,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:02:56,863 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 520 transitions. [2021-10-29 05:02:56,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:02:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 520 transitions. [2021-10-29 05:02:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:02:56,864 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:02:56,864 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, 1] [2021-10-29 05:02:56,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:02:57,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:02:57,077 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 05:02:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:02:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2021-10-29 05:02:57,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:02:57,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779278454] [2021-10-29 05:02:57,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:02:57,079 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:02:57,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:02:57,080 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:02:57,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:02:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:02:57,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:02:57,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:02:57,449 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 05:02:57,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:02:57,557 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 05:02:57,557 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:02:57,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779278454] [2021-10-29 05:02:57,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779278454] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:02:57,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:02:57,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:02:57,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37290577] [2021-10-29 05:02:57,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:02:57,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:02:57,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:02:57,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:02:57,559 INFO L87 Difference]: Start difference. First operand 390 states and 520 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 05:03:00,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:00,574 INFO L93 Difference]: Finished difference Result 1099 states and 1487 transitions. [2021-10-29 05:03:00,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:03:00,575 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 36 [2021-10-29 05:03:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:00,581 INFO L225 Difference]: With dead ends: 1099 [2021-10-29 05:03:00,581 INFO L226 Difference]: Without dead ends: 715 [2021-10-29 05:03:00,582 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-10-29 05:03:00,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2021-10-29 05:03:00,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 320. [2021-10-29 05:03:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 319 states have (on average 1.2946708463949843) internal successors, (413), 319 states have internal predecessors, (413), 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 05:03:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 413 transitions. [2021-10-29 05:03:00,645 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 413 transitions. Word has length 36 [2021-10-29 05:03:00,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:00,645 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 413 transitions. [2021-10-29 05:03:00,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 05:03:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 413 transitions. [2021-10-29 05:03:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 05:03:00,647 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:00,648 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, 1, 1] [2021-10-29 05:03:00,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:00,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:00,860 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 05:03:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2021-10-29 05:03:00,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:00,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383283879] [2021-10-29 05:03:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:00,862 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:00,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:00,863 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:00,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:03:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:01,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:03:01,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:01,280 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 05:03:01,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:01,441 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 05:03:01,441 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:01,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383283879] [2021-10-29 05:03:01,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383283879] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:01,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:01,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:03:01,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401497621] [2021-10-29 05:03:01,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:03:01,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:01,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:03:01,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:03:01,444 INFO L87 Difference]: Start difference. First operand 320 states and 413 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 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 05:03:03,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:03,127 INFO L93 Difference]: Finished difference Result 1022 states and 1308 transitions. [2021-10-29 05:03:03,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 05:03:03,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 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 37 [2021-10-29 05:03:03,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:03,132 INFO L225 Difference]: With dead ends: 1022 [2021-10-29 05:03:03,132 INFO L226 Difference]: Without dead ends: 708 [2021-10-29 05:03:03,133 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:03:03,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2021-10-29 05:03:03,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 300. [2021-10-29 05:03:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2675585284280937) internal successors, (379), 299 states have internal predecessors, (379), 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 05:03:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 379 transitions. [2021-10-29 05:03:03,186 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 379 transitions. Word has length 37 [2021-10-29 05:03:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:03,186 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 379 transitions. [2021-10-29 05:03:03,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 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 05:03:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 379 transitions. [2021-10-29 05:03:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 05:03:03,188 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:03,188 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:03,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:03,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:03,401 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 05:03:03,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:03,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1743364106, now seen corresponding path program 1 times [2021-10-29 05:03:03,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:03,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590448651] [2021-10-29 05:03:03,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:03,402 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:03,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:03,403 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:03,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:03:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:03,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:03:03,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:03:03,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:03:04,034 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:04,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590448651] [2021-10-29 05:03:04,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590448651] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:04,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:04,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-29 05:03:04,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508448633] [2021-10-29 05:03:04,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:03:04,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:04,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:03:04,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:03:04,036 INFO L87 Difference]: Start difference. First operand 300 states and 379 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 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 05:03:06,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:06,885 INFO L93 Difference]: Finished difference Result 1034 states and 1338 transitions. [2021-10-29 05:03:06,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:03:06,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 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 56 [2021-10-29 05:03:06,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:06,891 INFO L225 Difference]: With dead ends: 1034 [2021-10-29 05:03:06,891 INFO L226 Difference]: Without dead ends: 836 [2021-10-29 05:03:06,892 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 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 05:03:06,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2021-10-29 05:03:07,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 695. [2021-10-29 05:03:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.260806916426513) internal successors, (875), 694 states have internal predecessors, (875), 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 05:03:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 875 transitions. [2021-10-29 05:03:07,021 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 875 transitions. Word has length 56 [2021-10-29 05:03:07,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:07,022 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 875 transitions. [2021-10-29 05:03:07,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 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 05:03:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 875 transitions. [2021-10-29 05:03:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-29 05:03:07,023 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:07,024 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:07,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:07,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:07,236 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 05:03:07,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:07,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2021-10-29 05:03:07,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:07,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535375375] [2021-10-29 05:03:07,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:07,238 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:07,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:07,239 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:07,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:03:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:07,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:03:07,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:07,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:07,935 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:07,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535375375] [2021-10-29 05:03:07,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535375375] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:07,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:07,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:03:07,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706115633] [2021-10-29 05:03:07,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:03:07,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:07,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:03:07,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:03:07,937 INFO L87 Difference]: Start difference. First operand 695 states and 875 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 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 05:03:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:08,211 INFO L93 Difference]: Finished difference Result 1785 states and 2242 transitions. [2021-10-29 05:03:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:03:08,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 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 56 [2021-10-29 05:03:08,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:08,219 INFO L225 Difference]: With dead ends: 1785 [2021-10-29 05:03:08,219 INFO L226 Difference]: Without dead ends: 1096 [2021-10-29 05:03:08,220 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:03:08,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-10-29 05:03:08,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 695. [2021-10-29 05:03:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 694 states have (on average 1.239193083573487) internal successors, (860), 694 states have internal predecessors, (860), 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 05:03:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 860 transitions. [2021-10-29 05:03:08,355 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 860 transitions. Word has length 56 [2021-10-29 05:03:08,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:08,356 INFO L470 AbstractCegarLoop]: Abstraction has 695 states and 860 transitions. [2021-10-29 05:03:08,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 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 05:03:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 860 transitions. [2021-10-29 05:03:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:03:08,358 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:08,358 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] [2021-10-29 05:03:08,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:08,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:08,575 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 05:03:08,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:08,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1671822983, now seen corresponding path program 1 times [2021-10-29 05:03:08,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:08,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212235681] [2021-10-29 05:03:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:08,577 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:08,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:08,577 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:08,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-29 05:03:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:08,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 05:03:08,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:09,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:09,272 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:09,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212235681] [2021-10-29 05:03:09,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212235681] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:09,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:09,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:03:09,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61813387] [2021-10-29 05:03:09,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:03:09,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:09,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:03:09,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:03:09,274 INFO L87 Difference]: Start difference. First operand 695 states and 860 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 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 05:03:11,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:11,144 INFO L93 Difference]: Finished difference Result 2661 states and 3289 transitions. [2021-10-29 05:03:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-29 05:03:11,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 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 58 [2021-10-29 05:03:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:11,156 INFO L225 Difference]: With dead ends: 2661 [2021-10-29 05:03:11,157 INFO L226 Difference]: Without dead ends: 2064 [2021-10-29 05:03:11,158 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-29 05:03:11,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2021-10-29 05:03:11,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 887. [2021-10-29 05:03:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.2302483069977426) internal successors, (1090), 886 states have internal predecessors, (1090), 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 05:03:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1090 transitions. [2021-10-29 05:03:11,298 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1090 transitions. Word has length 58 [2021-10-29 05:03:11,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:11,299 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1090 transitions. [2021-10-29 05:03:11,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 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 05:03:11,299 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1090 transitions. [2021-10-29 05:03:11,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:03:11,301 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:11,302 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:11,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:11,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:11,503 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:11,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:11,504 INFO L85 PathProgramCache]: Analyzing trace with hash -2091911420, now seen corresponding path program 1 times [2021-10-29 05:03:11,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:11,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526401274] [2021-10-29 05:03:11,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:11,504 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:11,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:11,505 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:11,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 05:03:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:11,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:03:11,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:03:12,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:03:12,288 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:12,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526401274] [2021-10-29 05:03:12,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526401274] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:12,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:12,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:03:12,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015916935] [2021-10-29 05:03:12,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:03:12,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:12,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:03:12,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:03:12,290 INFO L87 Difference]: Start difference. First operand 887 states and 1090 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 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 05:03:15,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:15,536 INFO L93 Difference]: Finished difference Result 2687 states and 3312 transitions. [2021-10-29 05:03:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 05:03:15,536 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 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 58 [2021-10-29 05:03:15,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:15,552 INFO L225 Difference]: With dead ends: 2687 [2021-10-29 05:03:15,553 INFO L226 Difference]: Without dead ends: 1878 [2021-10-29 05:03:15,557 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:03:15,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2021-10-29 05:03:15,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 853. [2021-10-29 05:03:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2241784037558685) internal successors, (1043), 852 states have internal predecessors, (1043), 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 05:03:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1043 transitions. [2021-10-29 05:03:15,723 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1043 transitions. Word has length 58 [2021-10-29 05:03:15,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:15,723 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1043 transitions. [2021-10-29 05:03:15,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 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 05:03:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1043 transitions. [2021-10-29 05:03:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:03:15,725 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:15,725 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] [2021-10-29 05:03:15,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:15,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:15,947 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:15,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:15,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1514821351, now seen corresponding path program 1 times [2021-10-29 05:03:15,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:15,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786740525] [2021-10-29 05:03:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:15,949 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:15,950 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:15,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-29 05:03:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:16,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:03:16,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:16,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:16,626 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:16,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:16,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786740525] [2021-10-29 05:03:16,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786740525] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:16,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:16,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:03:16,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931147865] [2021-10-29 05:03:16,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:03:16,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:16,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:03:16,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:03:16,629 INFO L87 Difference]: Start difference. First operand 853 states and 1043 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:16,775 INFO L93 Difference]: Finished difference Result 1915 states and 2353 transitions. [2021-10-29 05:03:16,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:03:16,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 05:03:16,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:16,782 INFO L225 Difference]: With dead ends: 1915 [2021-10-29 05:03:16,782 INFO L226 Difference]: Without dead ends: 1068 [2021-10-29 05:03:16,783 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 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 05:03:16,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2021-10-29 05:03:16,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 853. [2021-10-29 05:03:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 852 states have (on average 1.2147887323943662) internal successors, (1035), 852 states have internal predecessors, (1035), 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 05:03:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1035 transitions. [2021-10-29 05:03:16,947 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1035 transitions. Word has length 58 [2021-10-29 05:03:16,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:16,948 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1035 transitions. [2021-10-29 05:03:16,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1035 transitions. [2021-10-29 05:03:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:03:16,949 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:16,950 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] [2021-10-29 05:03:16,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:17,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:17,163 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:17,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:17,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1750786647, now seen corresponding path program 1 times [2021-10-29 05:03:17,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:17,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681389548] [2021-10-29 05:03:17,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:17,164 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:17,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:17,165 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:17,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-29 05:03:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:17,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:03:17,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:17,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:17,866 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:17,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681389548] [2021-10-29 05:03:17,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681389548] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:17,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:03:17,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:03:17,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151297757] [2021-10-29 05:03:17,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:03:17,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:17,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:03:17,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:03:17,867 INFO L87 Difference]: Start difference. First operand 853 states and 1035 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:18,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:18,043 INFO L93 Difference]: Finished difference Result 1825 states and 2239 transitions. [2021-10-29 05:03:18,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:03:18,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 05:03:18,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:18,049 INFO L225 Difference]: With dead ends: 1825 [2021-10-29 05:03:18,050 INFO L226 Difference]: Without dead ends: 978 [2021-10-29 05:03:18,051 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 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 05:03:18,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2021-10-29 05:03:18,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 725. [2021-10-29 05:03:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 724 states have (on average 1.2223756906077348) internal successors, (885), 724 states have internal predecessors, (885), 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 05:03:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 885 transitions. [2021-10-29 05:03:18,193 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 885 transitions. Word has length 58 [2021-10-29 05:03:18,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:18,193 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 885 transitions. [2021-10-29 05:03:18,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 885 transitions. [2021-10-29 05:03:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-29 05:03:18,194 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:18,194 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:18,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:18,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:03:18,408 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:18,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:18,408 INFO L85 PathProgramCache]: Analyzing trace with hash -782788334, now seen corresponding path program 1 times [2021-10-29 05:03:18,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:18,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60479261] [2021-10-29 05:03:18,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:18,409 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:18,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:18,409 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:18,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-29 05:03:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:18,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:03:18,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:19,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:19,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:19,345 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:19,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60479261] [2021-10-29 05:03:19,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60479261] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:03:19,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [310784441] [2021-10-29 05:03:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:19,346 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:19,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:03:19,354 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:03:19,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-29 05:03:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:19,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:03:19,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:03:20,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:03:20,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [310784441] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:03:20,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:03:20,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-10-29 05:03:20,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311904918] [2021-10-29 05:03:20,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:03:20,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:20,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:03:20,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:03:20,216 INFO L87 Difference]: Start difference. First operand 725 states and 885 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:20,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:20,420 INFO L93 Difference]: Finished difference Result 1713 states and 2106 transitions. [2021-10-29 05:03:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:03:20,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-29 05:03:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:20,426 INFO L225 Difference]: With dead ends: 1713 [2021-10-29 05:03:20,427 INFO L226 Difference]: Without dead ends: 994 [2021-10-29 05:03:20,428 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:03:20,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2021-10-29 05:03:20,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 752. [2021-10-29 05:03:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.214380825565912) internal successors, (912), 751 states have internal predecessors, (912), 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 05:03:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 912 transitions. [2021-10-29 05:03:20,577 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 912 transitions. Word has length 60 [2021-10-29 05:03:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:20,577 INFO L470 AbstractCegarLoop]: Abstraction has 752 states and 912 transitions. [2021-10-29 05:03:20,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:03:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 912 transitions. [2021-10-29 05:03:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-29 05:03:20,586 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:20,587 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:03:20,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:20,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:21,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:21,001 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:21,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:21,001 INFO L85 PathProgramCache]: Analyzing trace with hash -524622896, now seen corresponding path program 1 times [2021-10-29 05:03:21,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:21,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119793326] [2021-10-29 05:03:21,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:21,002 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:21,002 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:21,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-29 05:03:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:21,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:03:21,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:21,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:21,999 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:21,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119793326] [2021-10-29 05:03:21,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119793326] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:03:21,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [72320752] [2021-10-29 05:03:21,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:21,999 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:21,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:03:22,000 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:03:22,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-29 05:03:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:22,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:03:22,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:22,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:03:23,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [72320752] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:03:23,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821427014] [2021-10-29 05:03:23,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:23,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:03:23,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:03:23,054 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:03:23,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-29 05:03:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:23,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:03:23,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:23,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:24,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821427014] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-29 05:03:24,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-29 05:03:24,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 14 [2021-10-29 05:03:24,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664971956] [2021-10-29 05:03:24,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:03:24,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:24,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:03:24,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:03:24,036 INFO L87 Difference]: Start difference. First operand 752 states and 912 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 05:03:24,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:24,917 INFO L93 Difference]: Finished difference Result 4053 states and 4965 transitions. [2021-10-29 05:03:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-29 05:03:24,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 05:03:24,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:24,935 INFO L225 Difference]: With dead ends: 4053 [2021-10-29 05:03:24,935 INFO L226 Difference]: Without dead ends: 3307 [2021-10-29 05:03:24,937 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2021-10-29 05:03:24,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2021-10-29 05:03:25,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 1085. [2021-10-29 05:03:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1084 states have (on average 1.227859778597786) internal successors, (1331), 1084 states have internal predecessors, (1331), 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 05:03:25,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1331 transitions. [2021-10-29 05:03:25,188 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1331 transitions. Word has length 60 [2021-10-29 05:03:25,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:25,189 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1331 transitions. [2021-10-29 05:03:25,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 05:03:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1331 transitions. [2021-10-29 05:03:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-29 05:03:25,191 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:03:25,191 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-29 05:03:25,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:25,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:25,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2021-10-29 05:03:25,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:25,807 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:03:25,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:03:25,807 INFO L85 PathProgramCache]: Analyzing trace with hash 927286599, now seen corresponding path program 1 times [2021-10-29 05:03:25,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:03:25,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191260010] [2021-10-29 05:03:25,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:25,808 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:03:25,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:03:25,809 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:03:25,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-29 05:03:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:26,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:03:26,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 05:03:26,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 05:03:26,967 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:03:26,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191260010] [2021-10-29 05:03:26,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191260010] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:03:26,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1086186829] [2021-10-29 05:03:26,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:26,968 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:26,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:03:26,968 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:03:26,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-10-29 05:03:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:27,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 05:03:27,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 05:03:28,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 05:03:28,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1086186829] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:03:28,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489551594] [2021-10-29 05:03:28,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:03:28,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:03:28,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:03:28,386 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:03:28,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-29 05:03:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:03:29,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 05:03:29,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:03:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-29 05:03:29,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:03:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:03:29,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489551594] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:03:29,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 05:03:29,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 6, 8, 9] total 20 [2021-10-29 05:03:29,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235733130] [2021-10-29 05:03:29,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-29 05:03:29,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:03:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-29 05:03:29,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-10-29 05:03:29,664 INFO L87 Difference]: Start difference. First operand 1085 states and 1331 transitions. Second operand has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 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 05:03:34,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:03:34,000 INFO L93 Difference]: Finished difference Result 3922 states and 4859 transitions. [2021-10-29 05:03:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-29 05:03:34,001 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 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 83 [2021-10-29 05:03:34,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:03:34,001 INFO L225 Difference]: With dead ends: 3922 [2021-10-29 05:03:34,001 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:03:34,007 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=668, Invalid=2992, Unknown=0, NotChecked=0, Total=3660 [2021-10-29 05:03:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:03:34,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:03:34,008 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 05:03:34,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:03:34,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-29 05:03:34,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:03:34,008 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:03:34,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.8) internal successors, (256), 20 states have internal predecessors, (256), 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 05:03:34,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:03:34,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:03:34,011 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:03:34,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:03:34,012 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:03:34,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-10-29 05:03:34,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-10-29 05:03:34,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2021-10-29 05:03:34,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:03:34,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:03:34,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:34,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:35,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:35,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:36,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:38,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:38,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:38,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:38,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:38,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:38,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:39,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:40,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:40,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:40,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:40,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:46,222 WARN L207 SmtUtils]: Spent 5.58 s on a formula simplification. DAG size of input: 941 DAG size of output: 803 [2021-10-29 05:03:46,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:46,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:47,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:49,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:49,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:49,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:49,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:49,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:53,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:58,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:58,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:58,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:03:58,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:04:25,076 WARN L207 SmtUtils]: Spent 12.76 s on a formula simplification. DAG size of input: 773 DAG size of output: 66 [2021-10-29 05:04:35,185 WARN L207 SmtUtils]: Spent 5.96 s on a formula simplification. DAG size of input: 484 DAG size of output: 83 [2021-10-29 05:04:48,029 WARN L207 SmtUtils]: Spent 11.13 s on a formula simplification. DAG size of input: 718 DAG size of output: 79 [2021-10-29 05:04:59,779 WARN L207 SmtUtils]: Spent 11.73 s on a formula simplification. DAG size of input: 735 DAG size of output: 52 [2021-10-29 05:04:59,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-29 05:04:59,802 INFO L853 garLoopResultBuilder]: At program point L499(lines 494 502) the Hoare annotation is: (let ((.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse13 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse9 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (not .cse15)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse4 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse11 .cse4 .cse5 .cse6 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse12 .cse13 .cse8 .cse9) (and .cse0 .cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse11 .cse4 .cse5 .cse6 .cse15) (and (or (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse6 .cse9) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse4 .cse5 .cse6 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32)))) .cse7) (and .cse0 .cse10 .cse1 .cse2 .cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) .cse4 .cse5 .cse6 .cse14 .cse7 .cse8)))) [2021-10-29 05:04:59,802 INFO L853 garLoopResultBuilder]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-29 05:04:59,802 INFO L853 garLoopResultBuilder]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-29 05:04:59,803 INFO L853 garLoopResultBuilder]: At program point L467(lines 462 470) the Hoare annotation is: false [2021-10-29 05:04:59,803 INFO L853 garLoopResultBuilder]: At program point L467-1(lines 462 470) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-10-29 05:04:59,803 INFO L853 garLoopResultBuilder]: At program point L467-2(lines 462 470) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse2 (not .cse14)) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse15 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse13 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse4 .cse5 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse13 .cse7) (and .cse0 .cse8 .cse1 .cse9 .cse3 .cse4 .cse5 .cse10) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse3 .cse4 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse13 .cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 .cse4 .cse13 .cse11 .cse12 .cse7) (and .cse0 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse4 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse11 .cse12 .cse7) (and .cse0 .cse4 .cse5 .cse11 .cse12 .cse6 .cse7) (and .cse0 .cse8 .cse14 .cse1 .cse9 .cse3 .cse4) (and .cse0 .cse8 .cse9 .cse15 .cse4 .cse10 .cse13 .cse11 .cse12 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse13 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse9 .cse15 .cse3 .cse4 .cse10 .cse13 .cse6)))) [2021-10-29 05:04:59,803 INFO L853 garLoopResultBuilder]: At program point L467-3(lines 462 470) the Hoare annotation is: false [2021-10-29 05:04:59,804 INFO L853 garLoopResultBuilder]: At program point L467-4(lines 462 470) the Hoare annotation is: false [2021-10-29 05:04:59,804 INFO L853 garLoopResultBuilder]: At program point L467-5(lines 462 470) the Hoare annotation is: false [2021-10-29 05:04:59,804 INFO L853 garLoopResultBuilder]: At program point L467-6(lines 462 470) the Hoare annotation is: false [2021-10-29 05:04:59,804 INFO L853 garLoopResultBuilder]: At program point L467-7(lines 462 470) the Hoare annotation is: false [2021-10-29 05:04:59,804 INFO L853 garLoopResultBuilder]: At program point L467-8(lines 462 470) the Hoare annotation is: false [2021-10-29 05:04:59,804 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,805 INFO L857 garLoopResultBuilder]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,805 INFO L857 garLoopResultBuilder]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,805 INFO L857 garLoopResultBuilder]: For program point L799-5(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,805 INFO L857 garLoopResultBuilder]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,805 INFO L857 garLoopResultBuilder]: For program point L799-8(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,805 INFO L857 garLoopResultBuilder]: For program point L799-9(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,805 INFO L857 garLoopResultBuilder]: For program point L799-11(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,806 INFO L857 garLoopResultBuilder]: For program point L799-12(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,806 INFO L857 garLoopResultBuilder]: For program point L799-14(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,806 INFO L857 garLoopResultBuilder]: For program point L799-15(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,806 INFO L857 garLoopResultBuilder]: For program point L799-17(lines 799 803) no Hoare annotation was computed. [2021-10-29 05:04:59,806 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-29 05:04:59,806 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-29 05:04:59,807 INFO L857 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2021-10-29 05:04:59,807 INFO L857 garLoopResultBuilder]: For program point L605-2(line 605) no Hoare annotation was computed. [2021-10-29 05:04:59,807 INFO L857 garLoopResultBuilder]: For program point L870(lines 870 881) no Hoare annotation was computed. [2021-10-29 05:04:59,807 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2021-10-29 05:04:59,807 INFO L857 garLoopResultBuilder]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2021-10-29 05:04:59,807 INFO L857 garLoopResultBuilder]: For program point L507-2(lines 507 513) no Hoare annotation was computed. [2021-10-29 05:04:59,808 INFO L857 garLoopResultBuilder]: For program point L507-3(lines 507 513) no Hoare annotation was computed. [2021-10-29 05:04:59,808 INFO L857 garLoopResultBuilder]: For program point L507-4(lines 507 513) no Hoare annotation was computed. [2021-10-29 05:04:59,808 INFO L857 garLoopResultBuilder]: For program point L507-5(lines 507 513) no Hoare annotation was computed. [2021-10-29 05:04:59,808 INFO L853 garLoopResultBuilder]: At program point L805(lines 790 808) the Hoare annotation is: false [2021-10-29 05:04:59,808 INFO L853 garLoopResultBuilder]: At program point L805-1(lines 790 808) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse16 (= ~waterLevel~0 (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse17 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse14 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse15 (not .cse2)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse4 .cse11 .cse12 .cse7 .cse8 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse14 .cse4 .cse5 .cse6 .cse8) (and .cse1 .cse9 .cse14 .cse15 .cse10 .cse4 .cse11 .cse16 .cse17 .cse8 .cse13) (and .cse1 .cse9 .cse15 .cse10 .cse4 .cse11 .cse16 .cse7 .cse17 .cse8 .cse13) (and .cse1 .cse9 .cse14 .cse15 .cse10 .cse4 .cse11 .cse12 .cse8 .cse13)))) [2021-10-29 05:04:59,808 INFO L853 garLoopResultBuilder]: At program point L805-2(lines 790 808) the Hoare annotation is: false [2021-10-29 05:04:59,809 INFO L853 garLoopResultBuilder]: At program point L805-3(lines 790 808) the Hoare annotation is: false [2021-10-29 05:04:59,809 INFO L853 garLoopResultBuilder]: At program point L805-4(lines 790 808) the Hoare annotation is: false [2021-10-29 05:04:59,809 INFO L853 garLoopResultBuilder]: At program point L805-5(lines 790 808) the Hoare annotation is: false [2021-10-29 05:04:59,809 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-10-29 05:04:59,809 INFO L853 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2021-10-29 05:04:59,809 INFO L853 garLoopResultBuilder]: At program point L741(lines 734 744) the Hoare annotation is: false [2021-10-29 05:04:59,810 INFO L853 garLoopResultBuilder]: At program point L741-1(lines 734 744) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv1 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (.cse4 (= (_ bv1 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse8 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse8))) [2021-10-29 05:04:59,810 INFO L853 garLoopResultBuilder]: At program point L741-2(lines 734 744) the Hoare annotation is: false [2021-10-29 05:04:59,810 INFO L853 garLoopResultBuilder]: At program point L741-3(lines 734 744) the Hoare annotation is: false [2021-10-29 05:04:59,810 INFO L853 garLoopResultBuilder]: At program point L741-4(lines 734 744) the Hoare annotation is: false [2021-10-29 05:04:59,810 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 596) no Hoare annotation was computed. [2021-10-29 05:04:59,810 INFO L853 garLoopResultBuilder]: At program point L741-5(lines 734 744) the Hoare annotation is: false [2021-10-29 05:04:59,811 INFO L857 garLoopResultBuilder]: For program point L576-2(lines 576 596) no Hoare annotation was computed. [2021-10-29 05:04:59,811 INFO L857 garLoopResultBuilder]: For program point L576-4(lines 576 596) no Hoare annotation was computed. [2021-10-29 05:04:59,811 INFO L857 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2021-10-29 05:04:59,811 INFO L857 garLoopResultBuilder]: For program point L841(lines 840 885) no Hoare annotation was computed. [2021-10-29 05:04:59,811 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 846) no Hoare annotation was computed. [2021-10-29 05:04:59,811 INFO L853 garLoopResultBuilder]: At program point L512(lines 503 516) the Hoare annotation is: false [2021-10-29 05:04:59,812 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 503 516) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse11 (not .cse6)) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv0 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse10 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse8 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse10 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse4 .cse8 .cse5) (and .cse0 .cse1 .cse11 .cse3 .cse9 .cse8 .cse10 .cse5)))) [2021-10-29 05:04:59,812 INFO L853 garLoopResultBuilder]: At program point L512-2(lines 503 516) the Hoare annotation is: false [2021-10-29 05:04:59,812 INFO L853 garLoopResultBuilder]: At program point L512-3(lines 503 516) the Hoare annotation is: false [2021-10-29 05:04:59,812 INFO L853 garLoopResultBuilder]: At program point L512-4(lines 503 516) the Hoare annotation is: false [2021-10-29 05:04:59,812 INFO L853 garLoopResultBuilder]: At program point L512-5(lines 503 516) the Hoare annotation is: false [2021-10-29 05:04:59,812 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2021-10-29 05:04:59,813 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 621 627) no Hoare annotation was computed. [2021-10-29 05:04:59,813 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2021-10-29 05:04:59,813 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 621 627) no Hoare annotation was computed. [2021-10-29 05:04:59,813 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2021-10-29 05:04:59,813 INFO L857 garLoopResultBuilder]: For program point L679-1(lines 679 696) no Hoare annotation was computed. [2021-10-29 05:04:59,813 INFO L857 garLoopResultBuilder]: For program point L679-2(lines 679 696) no Hoare annotation was computed. [2021-10-29 05:04:59,813 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2021-10-29 05:04:59,814 INFO L860 garLoopResultBuilder]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2021-10-29 05:04:59,814 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:04:59,814 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 595) no Hoare annotation was computed. [2021-10-29 05:04:59,814 INFO L853 garLoopResultBuilder]: At program point L582-1(lines 1 989) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (not .cse1)) (.cse13 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse19 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse20 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse15 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse14 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse18 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse11 .cse2 .cse3 .cse12 .cse8 .cse4 .cse5 .cse13) (and .cse0 .cse9 (not .cse14) .cse15 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) .cse10 .cse11 .cse16 .cse17 .cse2 .cse12 .cse8 .cse13) (and .cse0 .cse15 .cse7 .cse16 .cse17 .cse2 .cse18 .cse19 .cse20 .cse13 .cse6) (and .cse0 .cse2 .cse18 .cse3 .cse4 .cse5 .cse13 .cse6) (and .cse0 .cse15 .cse2 .cse8 .cse6) (and .cse0 .cse9 .cse15 .cse10 .cse16 .cse17 .cse2 .cse18 .cse19 .cse12 .cse20) (and .cse0 .cse9 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse15 .cse10 .cse16 .cse17 .cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) .cse14) (and .cse0 .cse9 .cse10 .cse2 .cse18 .cse3 .cse12 .cse4 .cse5)))) [2021-10-29 05:04:59,814 INFO L857 garLoopResultBuilder]: For program point L582-2(lines 582 595) no Hoare annotation was computed. [2021-10-29 05:04:59,815 INFO L853 garLoopResultBuilder]: At program point L582-3(lines 1 989) the Hoare annotation is: false [2021-10-29 05:04:59,815 INFO L857 garLoopResultBuilder]: For program point L582-4(lines 582 595) no Hoare annotation was computed. [2021-10-29 05:04:59,815 INFO L853 garLoopResultBuilder]: At program point L582-5(lines 1 989) the Hoare annotation is: false [2021-10-29 05:04:59,815 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-10-29 05:04:59,815 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2021-10-29 05:04:59,815 INFO L857 garLoopResultBuilder]: For program point L716-2(lines 716 722) no Hoare annotation was computed. [2021-10-29 05:04:59,815 INFO L857 garLoopResultBuilder]: For program point L683-1(lines 683 691) no Hoare annotation was computed. [2021-10-29 05:04:59,816 INFO L857 garLoopResultBuilder]: For program point L683-2(lines 683 691) no Hoare annotation was computed. [2021-10-29 05:04:59,816 INFO L857 garLoopResultBuilder]: For program point L716-4(lines 716 722) no Hoare annotation was computed. [2021-10-29 05:04:59,816 INFO L857 garLoopResultBuilder]: For program point L716-6(lines 716 722) no Hoare annotation was computed. [2021-10-29 05:04:59,816 INFO L857 garLoopResultBuilder]: For program point L716-8(lines 716 722) no Hoare annotation was computed. [2021-10-29 05:04:59,816 INFO L857 garLoopResultBuilder]: For program point L716-10(lines 716 722) no Hoare annotation was computed. [2021-10-29 05:04:59,816 INFO L853 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32)) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0) (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-29 05:04:59,817 INFO L853 garLoopResultBuilder]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2021-10-29 05:04:59,817 INFO L853 garLoopResultBuilder]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2021-10-29 05:04:59,817 INFO L853 garLoopResultBuilder]: At program point L552(lines 1 989) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:04:59,817 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2021-10-29 05:04:59,817 INFO L853 garLoopResultBuilder]: At program point L850-1(lines 850 856) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse13 (not (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse14 (not (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0))) (.cse5 (not .cse1)) (.cse15 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse18 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv1 32))) (.cse8 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 (_ bv0 32))) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse19 (= ~waterLevel~0 (_ bv0 32))) (.cse20 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse21 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 (_ bv0 32))) (.cse22 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse10 .cse11 .cse3 .cse6 .cse12 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse13 .cse2 .cse14 .cse11 .cse15 .cse16 .cse17 .cse3 .cse12 .cse7 .cse18) (and .cse0 .cse10 .cse1 .cse13 .cse2 .cse14 .cse11 .cse15 .cse16 .cse17 .cse3 .cse18) (and .cse0 .cse2 .cse5 .cse16 .cse17 .cse3 .cse19 .cse20 .cse21 .cse18 .cse4) (and .cse0 .cse3 .cse19 .cse6 .cse8 .cse9 .cse18 .cse4) (and .cse0 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse10 .cse1 .cse11 .cse15 .cse3 .cse6 .cse12 .cse8 .cse9 .cse18) (and .cse0 .cse10 .cse11 .cse3 .cse19 .cse6 .cse12 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse6 .cse8 .cse9 .cse4) (and .cse0 .cse10 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse11 .cse16 .cse17 .cse3 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (and .cse0 .cse10 .cse2 .cse11 .cse16 .cse17 .cse3 .cse20 .cse12 .cse7 .cse21 .cse22) (and .cse0 .cse10 .cse2 .cse11 .cse16 .cse17 .cse3 .cse19 .cse20 .cse12 .cse21 .cse22)))) [2021-10-29 05:04:59,818 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 592) no Hoare annotation was computed. [2021-10-29 05:04:59,818 INFO L857 garLoopResultBuilder]: For program point L586-2(lines 586 592) no Hoare annotation was computed. [2021-10-29 05:04:59,818 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-29 05:04:59,818 INFO L857 garLoopResultBuilder]: For program point L586-4(lines 586 592) no Hoare annotation was computed. [2021-10-29 05:04:59,818 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:04:59,818 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-29 05:04:59,818 INFO L857 garLoopResultBuilder]: For program point L818-2(lines 818 822) no Hoare annotation was computed. [2021-10-29 05:04:59,819 INFO L857 garLoopResultBuilder]: For program point L818-3(lines 818 822) no Hoare annotation was computed. [2021-10-29 05:04:59,819 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2021-10-29 05:04:59,819 INFO L857 garLoopResultBuilder]: For program point L818-5(lines 818 822) no Hoare annotation was computed. [2021-10-29 05:04:59,819 INFO L857 garLoopResultBuilder]: For program point L653-1(lines 653 670) no Hoare annotation was computed. [2021-10-29 05:04:59,819 INFO L857 garLoopResultBuilder]: For program point L818-6(lines 818 822) no Hoare annotation was computed. [2021-10-29 05:04:59,819 INFO L857 garLoopResultBuilder]: For program point L653-2(lines 653 670) no Hoare annotation was computed. [2021-10-29 05:04:59,819 INFO L857 garLoopResultBuilder]: For program point L653-3(lines 653 670) no Hoare annotation was computed. [2021-10-29 05:04:59,820 INFO L857 garLoopResultBuilder]: For program point L818-8(lines 818 822) no Hoare annotation was computed. [2021-10-29 05:04:59,820 INFO L857 garLoopResultBuilder]: For program point L653-4(lines 653 670) no Hoare annotation was computed. [2021-10-29 05:04:59,820 INFO L857 garLoopResultBuilder]: For program point L653-5(lines 653 670) no Hoare annotation was computed. [2021-10-29 05:04:59,820 INFO L853 garLoopResultBuilder]: At program point L621(lines 620 639) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse1 (not .cse6)) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse10 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse9 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse5) (and .cse0 .cse10 .cse11 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse2 .cse8 .cse9 .cse5) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse8 .cse12) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse3) (and .cse0 .cse10 .cse11 .cse2 .cse8 .cse12 .cse4)))) [2021-10-29 05:04:59,820 INFO L857 garLoopResultBuilder]: For program point L621-1(lines 621 627) no Hoare annotation was computed. [2021-10-29 05:04:59,820 INFO L853 garLoopResultBuilder]: At program point L621-2(lines 620 639) the Hoare annotation is: false [2021-10-29 05:04:59,821 INFO L853 garLoopResultBuilder]: At program point L522(lines 517 525) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse5 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse5 .cse8))) [2021-10-29 05:04:59,821 INFO L853 garLoopResultBuilder]: At program point L621-3(lines 620 639) the Hoare annotation is: false [2021-10-29 05:04:59,821 INFO L853 garLoopResultBuilder]: At program point L522-1(lines 517 525) the Hoare annotation is: false [2021-10-29 05:04:59,821 INFO L853 garLoopResultBuilder]: At program point L522-2(lines 517 525) the Hoare annotation is: false [2021-10-29 05:04:59,821 INFO L853 garLoopResultBuilder]: At program point L886(lines 839 887) the Hoare annotation is: false [2021-10-29 05:04:59,821 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:04:59,822 INFO L860 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2021-10-29 05:04:59,822 INFO L853 garLoopResultBuilder]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:04:59,822 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2021-10-29 05:04:59,822 INFO L857 garLoopResultBuilder]: For program point L657-1(lines 657 665) no Hoare annotation was computed. [2021-10-29 05:04:59,822 INFO L857 garLoopResultBuilder]: For program point L657-2(lines 657 665) no Hoare annotation was computed. [2021-10-29 05:04:59,822 INFO L857 garLoopResultBuilder]: For program point L657-3(lines 657 665) no Hoare annotation was computed. [2021-10-29 05:04:59,822 INFO L857 garLoopResultBuilder]: For program point L657-4(lines 657 665) no Hoare annotation was computed. [2021-10-29 05:04:59,823 INFO L857 garLoopResultBuilder]: For program point L657-5(lines 657 665) no Hoare annotation was computed. [2021-10-29 05:04:59,823 INFO L853 garLoopResultBuilder]: At program point L824(lines 809 827) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv0 32))) (.cse9 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv2 32)))) (.cse5 (= ~waterLevel~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse11 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse8 .cse10 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse10 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse11 .cse4 .cse12 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse11 .cse4 .cse12 .cse7))) [2021-10-29 05:04:59,823 INFO L853 garLoopResultBuilder]: At program point L824-1(lines 809 827) the Hoare annotation is: false [2021-10-29 05:04:59,823 INFO L853 garLoopResultBuilder]: At program point L824-2(lines 809 827) the Hoare annotation is: false [2021-10-29 05:04:59,823 INFO L853 garLoopResultBuilder]: At program point L560(lines 555 563) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:04:59,823 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:04:59,824 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2021-10-29 05:04:59,824 INFO L853 garLoopResultBuilder]: At program point L628(lines 628 634) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse8 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse12 (not .cse14)) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse9 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8 .cse1 .cse9 .cse10 .cse3 .cse4) (and .cse0 .cse1 .cse10 .cse3 .cse5) (and (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse11 .cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 .cse11 .cse7 .cse1 .cse5)) .cse10) (and .cse0 .cse11 .cse12 .cse1 .cse2 .cse13 .cse4 .cse5) (and .cse0 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv1 32)) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse5) (and .cse0 .cse6 .cse11 .cse7 .cse1 .cse2 .cse9) (and .cse0 .cse6 .cse14 .cse11 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse6 .cse11 .cse7 .cse8 .cse1 .cse9 .cse10 .cse4) (and .cse0 .cse11 .cse12 .cse1 .cse10 .cse13 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse2 .cse9 .cse3)))) [2021-10-29 05:04:59,824 INFO L853 garLoopResultBuilder]: At program point L628-1(lines 628 634) the Hoare annotation is: false [2021-10-29 05:04:59,824 INFO L853 garLoopResultBuilder]: At program point L628-2(lines 628 634) the Hoare annotation is: false [2021-10-29 05:04:59,824 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-10-29 05:04:59,825 INFO L857 garLoopResultBuilder]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2021-10-29 05:04:59,825 INFO L857 garLoopResultBuilder]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2021-10-29 05:04:59,825 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-10-29 05:04:59,825 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 860 866) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv2 32)))) (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse8 (not .cse2)) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse12 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0)) (.cse9 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse11 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 (_ bv0 32))) (.cse5 (= ~systemActive~0 (_ bv1 32))) (.cse14 (= ~waterLevel~0 (_ bv0 32))) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~5 (_ bv0 32))) (.cse16 (not (= ~waterLevel~0 (_ bv3 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse5 .cse9 .cse6 .cse10) (and .cse0 .cse2 .cse11 .cse5 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse3 .cse5 .cse13 .cse6) (and .cse0 .cse1 .cse3 .cse5 .cse14 .cse15 .cse16 .cse6) (and .cse0 .cse2 .cse5 .cse6 .cse10) (and .cse0 .cse8 .cse5 .cse14 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse3 .cse5 .cse15 .cse9 .cse16 .cse6) (and .cse0 .cse11 .cse5 .cse9 .cse10) (and .cse0 .cse11 .cse8 .cse5 .cse14 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse12 .cse11 .cse3 .cse5 .cse13) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse15 .cse9 .cse16) (and .cse0 .cse1 .cse2 .cse11 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse11 .cse3 .cse5 .cse14 .cse15 .cse16)))) [2021-10-29 05:04:59,829 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:04:59,831 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:04:59,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:04:59 BoogieIcfgContainer [2021-10-29 05:04:59,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:04:59,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:04:59,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:04:59,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:04:59,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:02:49" (3/4) ... [2021-10-29 05:04:59,895 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:04:59,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:04:59,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:04:59,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:04:59,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:04:59,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:04:59,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:04:59,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:04:59,955 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-29 05:04:59,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32))) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32)) [2021-10-29 05:04:59,956 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32))) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) [2021-10-29 05:04:59,957 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) [2021-10-29 05:04:59,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-10-29 05:04:59,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) [2021-10-29 05:04:59,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:04:59,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) && waterLevel == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-10-29 05:04:59,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) [2021-10-29 05:04:59,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-10-29 05:04:59,963 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result) && 1bv32 == \result [2021-10-29 05:04:59,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:04:59,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:05:00,024 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:05:00,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:05:00,025 INFO L168 Benchmark]: Toolchain (without parser) took 133284.01 ms. Allocated memory was 56.6 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 33.6 MB in the beginning and 1.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 306.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:00,026 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:05:00,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.07 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 24.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:00,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.04 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 48.2 MB in the end (delta: -24.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:00,027 INFO L168 Benchmark]: Boogie Preprocessor took 98.06 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 45.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:00,027 INFO L168 Benchmark]: RCFGBuilder took 2368.72 ms. Allocated memory is still 69.2 MB. Free memory was 45.3 MB in the beginning and 42.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:00,028 INFO L168 Benchmark]: TraceAbstraction took 129927.36 ms. Allocated memory was 69.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 42.7 MB in the beginning and 1.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-29 05:05:00,028 INFO L168 Benchmark]: Witness Printer took 133.13 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:05:00,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 56.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 647.07 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 24.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.04 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.9 MB in the beginning and 48.2 MB in the end (delta: -24.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.06 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 45.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2368.72 ms. Allocated memory is still 69.2 MB. Free memory was 45.3 MB in the beginning and 42.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 129927.36 ms. Allocated memory was 69.2 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 42.7 MB in the beginning and 1.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Witness Printer took 133.13 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 605]: 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, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 129.8s, OverallIterations: 19, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 85.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2785 SDtfs, 6353 SDslu, 9842 SDs, 0 SdLazy, 1526 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2491 GetRequests, 2286 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1085occurred in iteration=18, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 8648 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 1019 NumberOfFragments, 2895 HoareAnnotationTreeSize, 57 FomulaSimplifications, 9972486779 FormulaSimplificationTreeSizeReduction, 23.4s HoareSimplificationTime, 57 FomulaSimplificationsInter, 714111700 FormulaSimplificationTreeSizeReductionInter, 61.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 1187 NumberOfCodeBlocks, 1187 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2326 ConstructedInterpolants, 0 QuantifiedInterpolants, 5183 SizeOfPredicates, 67 NumberOfNonLiveVariables, 5739 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 48 InterpolantComputations, 35 PerfectInterpolantSequences, 469/698 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: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || ((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp___0 == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) || (((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && methaneLevelCritical == 1bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && methaneLevelCritical == 1bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32))) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && !(waterLevel == 3bv32)) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0) && 2bv32 == \result) && 1bv32 == \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && tmp == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(2bv32 == tmp___0)) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && tmp == 0bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == tmp___0)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == \result) && tmp == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32))) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && tmp___0 == 0bv32) && !(waterLevel == 3bv32)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 2bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) && waterLevel == 1bv32)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == \result)) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && 1bv32 == tmp) && \result == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && 0bv32 == pumpRunning) || (((((((((((\result == 1bv32 && splverifierCounter == 0bv32) && waterLevel == 2bv32) && tmp == 0bv32) && 1bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) && \result == 0bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) && waterLevel == 1bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && tmp == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) && waterLevel == 1bv32) && tmp == 0bv32)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && methaneLevelCritical == 1bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 2bv32)) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 0bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:05:00,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2e171dd-4379-4505-8ff0-923d42000087/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...