./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan --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 9648b26a5ec4f9065ef62bcefcc0539fba2412ec ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan --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 9648b26a5ec4f9065ef62bcefcc0539fba2412ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:41,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:42,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:42,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:42,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:42,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:42,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:42,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:42,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:42,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:42,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:42,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:42,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:42,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:42,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:42,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:42,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:42,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:42,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:42,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:42,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:42,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:42,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:42,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:42,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:42,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:42,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:42,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:42,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:42,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:42,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:42,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:42,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:42,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:42,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:42,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:42,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:42,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:42,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:42,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:42,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:42,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:42,129 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:42,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:42,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:42,131 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:42,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:42,131 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:42,132 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:42,132 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:42,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:42,132 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:42,133 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:42,133 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:42,133 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:42,133 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:42,134 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:42,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:42,135 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:42,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:42,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:42,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:42,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:42,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:42,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:42,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:42,137 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:42,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:42,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:42,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:42,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:42,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:42,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:42,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:42,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:42,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:42,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:42,140 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:42,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:42,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:42,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:42,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:42,141 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-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9648b26a5ec4f9065ef62bcefcc0539fba2412ec [2020-11-22 12:56:42,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:42,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:42,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:42,431 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:42,432 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:42,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-11-22 12:56:42,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/9906817bc/eec0efff8930474aa442b0c7c6525dbc/FLAG8c71a9a31 [2020-11-22 12:56:43,133 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:43,134 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-11-22 12:56:43,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/9906817bc/eec0efff8930474aa442b0c7c6525dbc/FLAG8c71a9a31 [2020-11-22 12:56:43,416 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/9906817bc/eec0efff8930474aa442b0c7c6525dbc [2020-11-22 12:56:43,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:43,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:43,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:43,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:43,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:43,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:43" (1/1) ... [2020-11-22 12:56:43,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f2611b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:43, skipping insertion in model container [2020-11-22 12:56:43,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:43" (1/1) ... [2020-11-22 12:56:43,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:43,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:43,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:43,889 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) [2020-11-22 12:56:43,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@428be86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:43, skipping insertion in model container [2020-11-22 12:56:43,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:43,892 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:56:43,894 INFO L168 Benchmark]: Toolchain (without parser) took 472.95 ms. Allocated memory is still 113.2 MB. Free memory was 79.8 MB in the beginning and 86.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,896 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:43,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.40 ms. Allocated memory is still 113.2 MB. Free memory was 79.6 MB in the beginning and 86.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.40 ms. Allocated memory is still 113.2 MB. Free memory was 79.6 MB in the beginning and 86.6 MB in the end (delta: -7.0 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: 344]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:46,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:46,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:46,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:46,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:46,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:46,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:46,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:46,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:46,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:46,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:46,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:46,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:46,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:46,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:46,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:46,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:46,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:46,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:46,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:46,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:46,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:46,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:46,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:46,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:46,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:46,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:46,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:46,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:46,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:46,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:46,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:46,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:46,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:46,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:46,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:46,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:46,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:46,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:46,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:46,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:46,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:46,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:46,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:46,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:46,314 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:46,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:46,314 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:46,314 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:46,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:46,314 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:46,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:46,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:46,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:46,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:46,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:46,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:46,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:46,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:46,317 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:46,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:46,317 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:46,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:46,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:46,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:46,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:46,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:46,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:46,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:46,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:46,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:46,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:46,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:46,320 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:46,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:46,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:46,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:46,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:46,322 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-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9648b26a5ec4f9065ef62bcefcc0539fba2412ec [2020-11-22 12:56:46,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:46,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:46,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:46,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:46,737 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:46,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-11-22 12:56:46,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/da05f2796/408193d034fa4fd8bb810e87dc8ac358/FLAG889aebb43 [2020-11-22 12:56:47,416 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:47,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-11-22 12:56:47,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/da05f2796/408193d034fa4fd8bb810e87dc8ac358/FLAG889aebb43 [2020-11-22 12:56:47,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/data/da05f2796/408193d034fa4fd8bb810e87dc8ac358 [2020-11-22 12:56:47,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:47,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:47,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:47,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:47,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:47,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:47" (1/1) ... [2020-11-22 12:56:47,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b15ca86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:47, skipping insertion in model container [2020-11-22 12:56:47,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:47" (1/1) ... [2020-11-22 12:56:47,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:47,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:48,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:48,166 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:56:48,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:48,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:48,253 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:48,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:48,360 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:48,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48 WrapperNode [2020-11-22 12:56:48,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:48,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:48,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:48,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:48,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:48,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:48,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:48,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:48,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... [2020-11-22 12:56:48,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:48,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:48,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:48,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:48,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:51,215 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:51,216 INFO L298 CfgBuilder]: Removed 198 assume(true) statements. [2020-11-22 12:56:51,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:51 BoogieIcfgContainer [2020-11-22 12:56:51,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:51,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:51,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:51,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:51,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:47" (1/3) ... [2020-11-22 12:56:51,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e29f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:51, skipping insertion in model container [2020-11-22 12:56:51,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:48" (2/3) ... [2020-11-22 12:56:51,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e29f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:51, skipping insertion in model container [2020-11-22 12:56:51,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:51" (3/3) ... [2020-11-22 12:56:51,232 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-11-22 12:56:51,242 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:51,247 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:56:51,258 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:56:51,285 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:51,286 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:51,286 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:51,291 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:51,292 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:51,292 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:51,292 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:51,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-11-22 12:56:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:56:51,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:51,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:51,316 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:51,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:51,322 INFO L82 PathProgramCache]: Analyzing trace with hash -175303324, now seen corresponding path program 1 times [2020-11-22 12:56:51,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:51,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409082641] [2020-11-22 12:56:51,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:51,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:51,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:51,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:51,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409082641] [2020-11-22 12:56:51,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:51,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:51,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747079557] [2020-11-22 12:56:51,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:51,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:51,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:51,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:51,628 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2020-11-22 12:56:51,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:51,692 INFO L93 Difference]: Finished difference Result 255 states and 380 transitions. [2020-11-22 12:56:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:51,693 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:56:51,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:51,712 INFO L225 Difference]: With dead ends: 255 [2020-11-22 12:56:51,712 INFO L226 Difference]: Without dead ends: 125 [2020-11-22 12:56:51,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:51,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-11-22 12:56:51,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-11-22 12:56:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-11-22 12:56:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2020-11-22 12:56:51,787 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2020-11-22 12:56:51,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:51,789 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2020-11-22 12:56:51,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-11-22 12:56:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:56:51,791 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:51,792 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:52,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:52,005 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:52,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:52,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1222060221, now seen corresponding path program 1 times [2020-11-22 12:56:52,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:52,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349931035] [2020-11-22 12:56:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:52,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:52,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:52,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:52,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349931035] [2020-11-22 12:56:52,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:52,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:56:52,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246191446] [2020-11-22 12:56:52,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:52,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:52,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:52,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:52,248 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 4 states. [2020-11-22 12:56:52,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:52,272 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-11-22 12:56:52,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:52,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:56:52,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:52,276 INFO L225 Difference]: With dead ends: 125 [2020-11-22 12:56:52,276 INFO L226 Difference]: Without dead ends: 51 [2020-11-22 12:56:52,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:52,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-22 12:56:52,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-22 12:56:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-22 12:56:52,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-11-22 12:56:52,289 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2020-11-22 12:56:52,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:52,293 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-11-22 12:56:52,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-11-22 12:56:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:56:52,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:52,296 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:52,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:52,502 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:52,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:52,503 INFO L82 PathProgramCache]: Analyzing trace with hash -2019078694, now seen corresponding path program 1 times [2020-11-22 12:56:52,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:52,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095836481] [2020-11-22 12:56:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:52,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:52,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:52,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:52,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095836481] [2020-11-22 12:56:52,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:52,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:56:52,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484085778] [2020-11-22 12:56:52,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:52,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:52,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:52,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:52,728 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 4 states. [2020-11-22 12:56:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:52,744 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-11-22 12:56:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:52,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:56:52,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:52,750 INFO L225 Difference]: With dead ends: 96 [2020-11-22 12:56:52,750 INFO L226 Difference]: Without dead ends: 51 [2020-11-22 12:56:52,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:52,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-22 12:56:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-22 12:56:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-22 12:56:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-11-22 12:56:52,760 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2020-11-22 12:56:52,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:52,760 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-11-22 12:56:52,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:52,760 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-11-22 12:56:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:56:52,761 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:52,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:52,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:52,962 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:52,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:52,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1511639432, now seen corresponding path program 1 times [2020-11-22 12:56:52,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:52,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452622068] [2020-11-22 12:56:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:53,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:53,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:53,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:53,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452622068] [2020-11-22 12:56:53,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:53,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:56:53,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17032810] [2020-11-22 12:56:53,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:56:53,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:53,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:56:53,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:56:53,159 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-11-22 12:56:53,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:53,222 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2020-11-22 12:56:53,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:56:53,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-22 12:56:53,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:53,223 INFO L225 Difference]: With dead ends: 117 [2020-11-22 12:56:53,223 INFO L226 Difference]: Without dead ends: 72 [2020-11-22 12:56:53,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:56:53,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-11-22 12:56:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-11-22 12:56:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-11-22 12:56:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2020-11-22 12:56:53,233 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2020-11-22 12:56:53,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:53,233 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2020-11-22 12:56:53,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:56:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-11-22 12:56:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-22 12:56:53,234 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:53,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:53,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:56:53,454 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:53,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:53,455 INFO L82 PathProgramCache]: Analyzing trace with hash 406595852, now seen corresponding path program 1 times [2020-11-22 12:56:53,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:53,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668541913] [2020-11-22 12:56:53,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:53,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:53,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:53,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:53,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668541913] [2020-11-22 12:56:53,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:53,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:56:53,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504587003] [2020-11-22 12:56:53,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:56:53,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:53,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:56:53,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:56:53,712 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2020-11-22 12:56:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:53,907 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2020-11-22 12:56:53,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:56:53,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-11-22 12:56:53,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:53,910 INFO L225 Difference]: With dead ends: 335 [2020-11-22 12:56:53,910 INFO L226 Difference]: Without dead ends: 271 [2020-11-22 12:56:53,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:56:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-11-22 12:56:53,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2020-11-22 12:56:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-11-22 12:56:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2020-11-22 12:56:53,948 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2020-11-22 12:56:53,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:53,949 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2020-11-22 12:56:53,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:56:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2020-11-22 12:56:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-22 12:56:53,954 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:53,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:54,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:56:54,168 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:54,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:54,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1078364354, now seen corresponding path program 1 times [2020-11-22 12:56:54,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:54,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1927047602] [2020-11-22 12:56:54,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:54,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:54,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:54,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:54,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1927047602] [2020-11-22 12:56:54,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:54,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:56:54,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743203780] [2020-11-22 12:56:54,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:56:54,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:54,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:56:54,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:56:54,504 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2020-11-22 12:56:54,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:54,760 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2020-11-22 12:56:54,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:56:54,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-22 12:56:54,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:54,763 INFO L225 Difference]: With dead ends: 366 [2020-11-22 12:56:54,763 INFO L226 Difference]: Without dead ends: 364 [2020-11-22 12:56:54,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:56:54,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-11-22 12:56:54,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2020-11-22 12:56:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-11-22 12:56:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2020-11-22 12:56:54,785 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2020-11-22 12:56:54,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:54,796 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2020-11-22 12:56:54,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:56:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2020-11-22 12:56:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 12:56:54,802 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:54,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:55,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:56:55,018 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:55,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:55,019 INFO L82 PathProgramCache]: Analyzing trace with hash 123869668, now seen corresponding path program 1 times [2020-11-22 12:56:55,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:55,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051767418] [2020-11-22 12:56:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:55,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:56:55,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:55,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:55,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051767418] [2020-11-22 12:56:55,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:55,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:56:55,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300304640] [2020-11-22 12:56:55,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:56:55,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:55,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:56:55,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:56:55,272 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2020-11-22 12:56:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:55,375 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2020-11-22 12:56:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:56:55,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-22 12:56:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:55,377 INFO L225 Difference]: With dead ends: 336 [2020-11-22 12:56:55,377 INFO L226 Difference]: Without dead ends: 214 [2020-11-22 12:56:55,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:56:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-11-22 12:56:55,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2020-11-22 12:56:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-22 12:56:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-11-22 12:56:55,399 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2020-11-22 12:56:55,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:55,399 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-11-22 12:56:55,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:56:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-11-22 12:56:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 12:56:55,400 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:55,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:55,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 12:56:55,616 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:55,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:55,617 INFO L82 PathProgramCache]: Analyzing trace with hash -462936346, now seen corresponding path program 1 times [2020-11-22 12:56:55,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:55,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981402961] [2020-11-22 12:56:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:55,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 12:56:55,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:55,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:55,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981402961] [2020-11-22 12:56:55,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:55,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 12:56:55,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265265076] [2020-11-22 12:56:55,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:56:55,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:55,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:56:55,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:56:55,890 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 6 states. [2020-11-22 12:56:55,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:55,980 INFO L93 Difference]: Finished difference Result 370 states and 498 transitions. [2020-11-22 12:56:55,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:56:55,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-11-22 12:56:55,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:55,982 INFO L225 Difference]: With dead ends: 370 [2020-11-22 12:56:55,982 INFO L226 Difference]: Without dead ends: 236 [2020-11-22 12:56:55,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:56:55,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-11-22 12:56:56,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 148. [2020-11-22 12:56:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-11-22 12:56:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2020-11-22 12:56:56,002 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2020-11-22 12:56:56,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:56,002 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2020-11-22 12:56:56,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:56:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2020-11-22 12:56:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 12:56:56,003 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:56,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:56,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 12:56:56,217 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:56,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:56,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1742800024, now seen corresponding path program 1 times [2020-11-22 12:56:56,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:56,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1293945517] [2020-11-22 12:56:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:56,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:56:56,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:56,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:56,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1293945517] [2020-11-22 12:56:56,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:56,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:56:56,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103811360] [2020-11-22 12:56:56,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:56:56,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:56,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:56:56,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:56,444 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 4 states. [2020-11-22 12:56:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:56,568 INFO L93 Difference]: Finished difference Result 442 states and 594 transitions. [2020-11-22 12:56:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:56:56,568 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-22 12:56:56,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:56,570 INFO L225 Difference]: With dead ends: 442 [2020-11-22 12:56:56,571 INFO L226 Difference]: Without dead ends: 300 [2020-11-22 12:56:56,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:56:56,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-11-22 12:56:56,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 248. [2020-11-22 12:56:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-11-22 12:56:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 329 transitions. [2020-11-22 12:56:56,617 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 329 transitions. Word has length 34 [2020-11-22 12:56:56,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:56,618 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 329 transitions. [2020-11-22 12:56:56,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:56:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 329 transitions. [2020-11-22 12:56:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-22 12:56:56,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:56,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:56,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 12:56:56,837 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:56,837 INFO L82 PathProgramCache]: Analyzing trace with hash -226364314, now seen corresponding path program 1 times [2020-11-22 12:56:56,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:56,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683606420] [2020-11-22 12:56:56,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:57,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:56:57,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:57,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:57,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683606420] [2020-11-22 12:56:57,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:57,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-22 12:56:57,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220773438] [2020-11-22 12:56:57,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 12:56:57,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:57,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 12:56:57,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:56:57,133 INFO L87 Difference]: Start difference. First operand 248 states and 329 transitions. Second operand 10 states. [2020-11-22 12:57:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:00,275 INFO L93 Difference]: Finished difference Result 1084 states and 1406 transitions. [2020-11-22 12:57:00,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-22 12:57:00,275 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2020-11-22 12:57:00,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:00,284 INFO L225 Difference]: With dead ends: 1084 [2020-11-22 12:57:00,285 INFO L226 Difference]: Without dead ends: 842 [2020-11-22 12:57:00,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2020-11-22 12:57:00,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-11-22 12:57:00,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 248. [2020-11-22 12:57:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-11-22 12:57:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 323 transitions. [2020-11-22 12:57:00,323 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 323 transitions. Word has length 35 [2020-11-22 12:57:00,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:00,323 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 323 transitions. [2020-11-22 12:57:00,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 12:57:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 323 transitions. [2020-11-22 12:57:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-22 12:57:00,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:57:00,325 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-22 12:57:00,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 12:57:00,545 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:57:00,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:57:00,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1924582656, now seen corresponding path program 1 times [2020-11-22 12:57:00,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:57:00,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134460355] [2020-11-22 12:57:00,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-22 12:57:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:57:00,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:57:00,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:57:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-22 12:57:00,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:57:00,858 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-22 12:57:00,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134460355] [2020-11-22 12:57:00,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:57:00,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-22 12:57:00,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986594476] [2020-11-22 12:57:00,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 12:57:00,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:57:00,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 12:57:00,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:57:00,869 INFO L87 Difference]: Start difference. First operand 248 states and 323 transitions. Second operand 10 states. [2020-11-22 12:57:04,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:57:04,060 INFO L93 Difference]: Finished difference Result 760 states and 979 transitions. [2020-11-22 12:57:04,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:57:04,061 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-11-22 12:57:04,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:57:04,063 INFO L225 Difference]: With dead ends: 760 [2020-11-22 12:57:04,063 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:57:04,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-11-22 12:57:04,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:57:04,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:57:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:57:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:57:04,065 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-11-22 12:57:04,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:57:04,065 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:57:04,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 12:57:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:57:04,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:57:04,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 12:57:04,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:57:04,942 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2020-11-22 12:57:05,102 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2020-11-22 12:57:05,276 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2020-11-22 12:57:05,526 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2020-11-22 12:57:05,848 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 112 [2020-11-22 12:57:06,163 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 132 [2020-11-22 12:57:06,413 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 109 [2020-11-22 12:57:07,744 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2020-11-22 12:57:08,496 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2020-11-22 12:57:08,602 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2020-11-22 12:57:08,804 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2020-11-22 12:57:09,457 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2020-11-22 12:57:09,803 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 20 [2020-11-22 12:57:10,263 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 17 [2020-11-22 12:57:11,318 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 14 [2020-11-22 12:57:11,445 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2020-11-22 12:57:12,559 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 130 DAG size of output: 14 [2020-11-22 12:57:13,332 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2020-11-22 12:57:13,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:57:13,339 INFO L274 CegarLoopResult]: For program point L267(lines 267 274) no Hoare annotation was computed. [2020-11-22 12:57:13,339 INFO L277 CegarLoopResult]: At program point L267-1(lines 267 274) the Hoare annotation is: true [2020-11-22 12:57:13,339 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:57:13,339 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:57:13,339 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:57:13,339 INFO L270 CegarLoopResult]: At program point L763(lines 763 769) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse3))) [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L763-1(lines 763 769) the Hoare annotation is: false [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L763-2(lines 763 769) the Hoare annotation is: false [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-11-22 12:57:13,340 INFO L270 CegarLoopResult]: At program point L303(lines 1 942) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-3(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-5(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-6(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L270 CegarLoopResult]: At program point L702-1(lines 702 708) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse2) (and .cse0 .cse1 .cse3 .cse2))) [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-8(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-9(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-11(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-12(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,341 INFO L274 CegarLoopResult]: For program point L933-14(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,342 INFO L274 CegarLoopResult]: For program point L933-15(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,342 INFO L274 CegarLoopResult]: For program point L933-17(lines 933 937) no Hoare annotation was computed. [2020-11-22 12:57:13,342 INFO L270 CegarLoopResult]: At program point L240(lines 236 242) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,342 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:57:13,342 INFO L270 CegarLoopResult]: At program point L738(lines 691 739) the Hoare annotation is: false [2020-11-22 12:57:13,342 INFO L277 CegarLoopResult]: At program point L276(lines 257 279) the Hoare annotation is: true [2020-11-22 12:57:13,342 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-22 12:57:13,342 INFO L270 CegarLoopResult]: At program point L311(lines 306 314) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,342 INFO L270 CegarLoopResult]: At program point L939(lines 924 942) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,343 INFO L270 CegarLoopResult]: At program point L939-1(lines 924 942) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2))) [2020-11-22 12:57:13,343 INFO L270 CegarLoopResult]: At program point L939-2(lines 924 942) the Hoare annotation is: false [2020-11-22 12:57:13,343 INFO L270 CegarLoopResult]: At program point L939-3(lines 924 942) the Hoare annotation is: false [2020-11-22 12:57:13,343 INFO L270 CegarLoopResult]: At program point L939-4(lines 924 942) the Hoare annotation is: false [2020-11-22 12:57:13,343 INFO L270 CegarLoopResult]: At program point L939-5(lines 924 942) the Hoare annotation is: false [2020-11-22 12:57:13,343 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-22 12:57:13,343 INFO L274 CegarLoopResult]: For program point L147-1(line 147) no Hoare annotation was computed. [2020-11-22 12:57:13,343 INFO L274 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-11-22 12:57:13,343 INFO L270 CegarLoopResult]: At program point L875(lines 868 878) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2020-11-22 12:57:13,343 INFO L270 CegarLoopResult]: At program point L875-1(lines 868 878) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L875-2(lines 868 878) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L875-3(lines 868 878) the Hoare annotation is: false [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L875-4(lines 868 878) the Hoare annotation is: false [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L875-5(lines 868 878) the Hoare annotation is: false [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L875-6(lines 868 878) the Hoare annotation is: false [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L875-7(lines 868 878) the Hoare annotation is: false [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L875-8(lines 868 878) the Hoare annotation is: false [2020-11-22 12:57:13,344 INFO L274 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-11-22 12:57:13,344 INFO L270 CegarLoopResult]: At program point L712-1(lines 712 718) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2020-11-22 12:57:13,344 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:57:13,344 INFO L274 CegarLoopResult]: For program point L814(lines 814 831) no Hoare annotation was computed. [2020-11-22 12:57:13,344 INFO L274 CegarLoopResult]: For program point L814-1(lines 814 831) no Hoare annotation was computed. [2020-11-22 12:57:13,344 INFO L274 CegarLoopResult]: For program point L814-2(lines 814 831) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L850-6(lines 850 856) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L850-8(lines 850 856) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L850-10(lines 850 856) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L270 CegarLoopResult]: At program point L884(lines 879 887) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,345 INFO L270 CegarLoopResult]: At program point L884-1(lines 879 887) the Hoare annotation is: false [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L818(lines 818 826) no Hoare annotation was computed. [2020-11-22 12:57:13,345 INFO L270 CegarLoopResult]: At program point L884-2(lines 879 887) the Hoare annotation is: false [2020-11-22 12:57:13,345 INFO L274 CegarLoopResult]: For program point L818-1(lines 818 826) no Hoare annotation was computed. [2020-11-22 12:57:13,346 INFO L274 CegarLoopResult]: For program point L818-2(lines 818 826) no Hoare annotation was computed. [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L191-2(lines 191 205) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2))) [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L270 CegarLoopResult]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2020-11-22 12:57:13,346 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-22 12:57:13,346 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:57:13,346 INFO L274 CegarLoopResult]: For program point L788(lines 788 805) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L788-1(lines 788 805) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L722(lines 722 733) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L788-2(lines 788 805) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L788-3(lines 788 805) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L788-4(lines 788 805) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L788-5(lines 788 805) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L161(lines 161 174) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L270 CegarLoopResult]: At program point L161-1(lines 1 942) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 .cse2) (and .cse0 .cse1 .cse3 .cse2))) [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L161-2(lines 161 174) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L270 CegarLoopResult]: At program point L161-3(lines 1 942) the Hoare annotation is: false [2020-11-22 12:57:13,347 INFO L274 CegarLoopResult]: For program point L161-4(lines 161 174) no Hoare annotation was computed. [2020-11-22 12:57:13,347 INFO L270 CegarLoopResult]: At program point L161-5(lines 1 942) the Hoare annotation is: false [2020-11-22 12:57:13,348 INFO L270 CegarLoopResult]: At program point L756(lines 755 774) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L756-1(lines 756 762) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L270 CegarLoopResult]: At program point L756-2(lines 755 774) the Hoare annotation is: false [2020-11-22 12:57:13,348 INFO L270 CegarLoopResult]: At program point L756-3(lines 755 774) the Hoare annotation is: false [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L195-1(lines 756 762) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L792(lines 792 800) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L792-1(lines 792 800) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 800) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L693(lines 692 737) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L792-3(lines 792 800) no Hoare annotation was computed. [2020-11-22 12:57:13,348 INFO L274 CegarLoopResult]: For program point L792-4(lines 792 800) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L792-5(lines 792 800) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-11-22 12:57:13,349 INFO L274 CegarLoopResult]: For program point L728-2(lines 756 762) no Hoare annotation was computed. [2020-11-22 12:57:13,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:57:13 BoogieIcfgContainer [2020-11-22 12:57:13,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:57:13,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:57:13,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:57:13,417 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:57:13,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:51" (3/4) ... [2020-11-22 12:57:13,421 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:57:13,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:57:13,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:57:13,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:57:13,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:57:13,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:57:13,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:57:13,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:57:13,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,491 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,493 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,496 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,496 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,497 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,498 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:57:13,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:57:13,508 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:57:13,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:57:13,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:57:13,509 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:57:13,593 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4ad5e38b-eab8-4786-bd89-32868d979d88/bin/utaipan/witness.graphml [2020-11-22 12:57:13,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:57:13,594 INFO L168 Benchmark]: Toolchain (without parser) took 25909.09 ms. Allocated memory was 77.6 MB in the beginning and 117.4 MB in the end (delta: 39.8 MB). Free memory was 42.2 MB in the beginning and 51.3 MB in the end (delta: -9.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:13,595 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:57:13,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.98 ms. Allocated memory is still 77.6 MB. Free memory was 42.1 MB in the beginning and 45.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:13,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.45 ms. Allocated memory is still 77.6 MB. Free memory was 45.3 MB in the beginning and 41.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:13,596 INFO L168 Benchmark]: Boogie Preprocessor took 50.26 ms. Allocated memory is still 77.6 MB. Free memory was 41.6 MB in the beginning and 38.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:13,597 INFO L168 Benchmark]: RCFGBuilder took 2736.35 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 38.4 MB in the beginning and 40.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:13,597 INFO L168 Benchmark]: TraceAbstraction took 22193.85 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 40.0 MB in the beginning and 62.9 MB in the end (delta: -22.9 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:13,598 INFO L168 Benchmark]: Witness Printer took 176.40 ms. Allocated memory is still 117.4 MB. Free memory was 62.9 MB in the beginning and 51.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:57:13,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory is still 59.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 673.98 ms. Allocated memory is still 77.6 MB. Free memory was 42.1 MB in the beginning and 45.3 MB in the end (delta: -3.3 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.45 ms. Allocated memory is still 77.6 MB. Free memory was 45.3 MB in the beginning and 41.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.26 ms. Allocated memory is still 77.6 MB. Free memory was 41.6 MB in the beginning and 38.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2736.35 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 38.4 MB in the beginning and 40.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22193.85 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 40.0 MB in the beginning and 62.9 MB in the end (delta: -22.9 MB). Peak memory consumption was 38.5 MB. Max. memory is 16.1 GB. * Witness Printer took 176.40 ms. Allocated memory is still 117.4 MB. Free memory was 62.9 MB in the beginning and 51.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == tmp && splverifierCounter == 0bv32) && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && splverifierCounter == 0bv32) && \result == 1bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: ((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && \result == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 132 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1297 SDtfs, 1836 SDslu, 3258 SDs, 0 SdLazy, 466 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 241 NumberOfFragments, 646 HoareAnnotationTreeSize, 54 FomulaSimplifications, 1622443 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 388439 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 39268 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2306 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...