./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.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_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 924726723ff3b89961725912ca395f7f3ab1262e ............................................................................................................................................ 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_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 924726723ff3b89961725912ca395f7f3ab1262e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:24,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:24,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:25,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:25,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:25,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:25,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:25,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:25,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:25,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:25,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:25,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:25,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:25,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:25,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:25,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:25,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:25,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:25,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:25,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:25,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:25,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:25,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:25,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:25,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:25,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:25,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:25,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:25,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:25,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:25,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:25,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:25,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:25,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:25,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:25,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:25,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:25,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:25,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:25,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:25,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:25,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:41:25,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:25,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:25,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:25,172 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:25,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:25,173 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:25,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:41:25,173 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:25,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:25,174 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:41:25,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:41:25,175 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:25,175 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:41:25,175 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:41:25,176 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:41:25,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:25,177 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:41:25,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:41:25,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:41:25,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:25,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:41:25,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:25,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:41:25,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:25,178 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:41:25,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:41:25,179 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:25,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:41:25,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:25,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:25,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:25,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:25,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:25,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:25,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:41:25,183 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:41:25,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:41:25,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:41:25,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:25,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:25,184 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_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924726723ff3b89961725912ca395f7f3ab1262e [2020-11-28 07:41:25,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:25,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:25,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:25,467 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:25,468 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:25,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-11-28 07:41:25,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/c452bff41/46075cc08fc649d6807545f96745d91d/FLAGaaf5b3af6 [2020-11-28 07:41:26,187 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:26,188 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-11-28 07:41:26,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/c452bff41/46075cc08fc649d6807545f96745d91d/FLAGaaf5b3af6 [2020-11-28 07:41:26,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/c452bff41/46075cc08fc649d6807545f96745d91d [2020-11-28 07:41:26,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:26,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:26,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:26,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:26,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:26,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:26" (1/1) ... [2020-11-28 07:41:26,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c8f9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:26, skipping insertion in model container [2020-11-28 07:41:26,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:26" (1/1) ... [2020-11-28 07:41:26,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:26,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:26,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:41:26,969 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) [2020-11-28 07:41:26,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23dd3ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:26, skipping insertion in model container [2020-11-28 07:41:26,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:26,974 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:26,976 INFO L168 Benchmark]: Toolchain (without parser) took 505.56 ms. Allocated memory is still 90.2 MB. Free memory was 63.8 MB in the beginning and 50.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:26,978 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:26,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.80 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 50.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:26,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 73.4 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 40.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 502.80 ms. Allocated memory is still 90.2 MB. Free memory was 63.6 MB in the beginning and 50.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 156]: 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 [2020-11-28 07:41:29,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:29,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:29,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:29,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:29,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:29,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:29,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:29,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:29,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:29,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:29,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:29,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:29,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:29,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:29,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:29,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:29,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:29,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:29,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:29,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:29,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:29,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:29,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:29,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:29,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:29,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:29,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:29,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:29,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:29,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:29,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:29,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:29,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:29,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:29,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:29,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:29,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:29,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:29,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:29,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:29,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:41:29,470 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:29,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:29,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:29,474 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:29,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:29,475 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:29,475 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:29,475 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:29,475 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:29,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:29,478 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:41:29,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:41:29,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:29,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:41:29,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:29,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:41:29,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:29,479 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:41:29,479 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:41:29,480 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:41:29,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:41:29,480 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:29,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:41:29,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:29,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:41:29,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:29,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:29,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:29,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:29,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:29,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:41:29,482 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:41:29,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:41:29,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:41:29,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:29,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:29,484 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_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924726723ff3b89961725912ca395f7f3ab1262e [2020-11-28 07:41:29,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:29,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:29,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:29,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:29,910 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:29,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-11-28 07:41:29,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/2be8e3314/f2804f46fad547a3b8fb23fc8e1a9bec/FLAGfae6cb1da [2020-11-28 07:41:30,578 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:30,581 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-11-28 07:41:30,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/2be8e3314/f2804f46fad547a3b8fb23fc8e1a9bec/FLAGfae6cb1da [2020-11-28 07:41:30,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/data/2be8e3314/f2804f46fad547a3b8fb23fc8e1a9bec [2020-11-28 07:41:30,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:30,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:30,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:30,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:30,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:30,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:30" (1/1) ... [2020-11-28 07:41:30,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572dd08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:30, skipping insertion in model container [2020-11-28 07:41:30,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:30" (1/1) ... [2020-11-28 07:41:30,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:30,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:31,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:41:31,242 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:41:31,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:31,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:41:31,356 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:41:31,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:41:31,488 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:41:31,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31 WrapperNode [2020-11-28 07:41:31,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:31,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:41:31,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:41:31,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:41:31,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:41:31,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:41:31,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:41:31,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:41:31,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... [2020-11-28 07:41:31,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:41:31,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:41:31,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:41:31,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:41:31,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:41:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:41:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:41:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:41:33,948 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:41:33,951 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-28 07:41:33,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:41:33 BoogieIcfgContainer [2020-11-28 07:41:33,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:41:33,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:41:33,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:41:33,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:41:33,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:41:30" (1/3) ... [2020-11-28 07:41:33,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f0a5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:41:33, skipping insertion in model container [2020-11-28 07:41:33,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:31" (2/3) ... [2020-11-28 07:41:33,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f0a5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:41:33, skipping insertion in model container [2020-11-28 07:41:33,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:41:33" (3/3) ... [2020-11-28 07:41:33,969 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2020-11-28 07:41:33,984 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:41:33,987 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:41:33,995 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:41:34,017 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:41:34,017 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:41:34,017 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:41:34,018 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:41:34,018 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:41:34,018 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:41:34,018 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:41:34,018 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:41:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2020-11-28 07:41:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:41:34,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:41:34,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:41:34,039 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:41:34,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:41:34,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1508019772, now seen corresponding path program 1 times [2020-11-28 07:41:34,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:41:34,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14921874] [2020-11-28 07:41:34,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:34,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:41:34,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:34,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:34,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14921874] [2020-11-28 07:41:34,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:41:34,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:41:34,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802417423] [2020-11-28 07:41:34,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:41:34,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:41:34,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:41:34,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:41:34,382 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2020-11-28 07:41:34,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:41:34,406 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-11-28 07:41:34,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:41:34,407 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:41:34,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:41:34,417 INFO L225 Difference]: With dead ends: 135 [2020-11-28 07:41:34,417 INFO L226 Difference]: Without dead ends: 65 [2020-11-28 07:41:34,420 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 [2020-11-28 07:41:34,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-11-28 07:41:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-11-28 07:41:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-28 07:41:34,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-11-28 07:41:34,458 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2020-11-28 07:41:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:41:34,458 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-28 07:41:34,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:41:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2020-11-28 07:41:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:41:34,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:41:34,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:41:34,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:41:34,676 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:41:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:41:34,677 INFO L82 PathProgramCache]: Analyzing trace with hash 461262875, now seen corresponding path program 1 times [2020-11-28 07:41:34,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:41:34,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160568224] [2020-11-28 07:41:34,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:34,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:41:34,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:34,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:34,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160568224] [2020-11-28 07:41:34,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:41:34,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:41:34,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352639447] [2020-11-28 07:41:34,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:41:34,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:41:34,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:41:34,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:41:34,915 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 4 states. [2020-11-28 07:41:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:41:34,928 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2020-11-28 07:41:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:41:34,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:41:34,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:41:34,930 INFO L225 Difference]: With dead ends: 65 [2020-11-28 07:41:34,930 INFO L226 Difference]: Without dead ends: 31 [2020-11-28 07:41:34,931 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 [2020-11-28 07:41:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-28 07:41:34,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-28 07:41:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 07:41:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-28 07:41:34,936 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2020-11-28 07:41:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:41:34,937 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-28 07:41:34,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:41:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-28 07:41:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:41:34,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:41:34,938 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] [2020-11-28 07:41:35,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:41:35,139 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:41:35,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:41:35,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2020-11-28 07:41:35,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:41:35,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431245455] [2020-11-28 07:41:35,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:35,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:41:35,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:35,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:35,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:35,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431245455] [2020-11-28 07:41:35,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:41:35,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 07:41:35,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268934795] [2020-11-28 07:41:35,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:41:35,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:41:35,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:41:35,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:41:35,357 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 4 states. [2020-11-28 07:41:35,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:41:35,366 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2020-11-28 07:41:35,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:41:35,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-28 07:41:35,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:41:35,369 INFO L225 Difference]: With dead ends: 56 [2020-11-28 07:41:35,370 INFO L226 Difference]: Without dead ends: 31 [2020-11-28 07:41:35,371 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 [2020-11-28 07:41:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-28 07:41:35,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-28 07:41:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 07:41:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-11-28 07:41:35,382 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2020-11-28 07:41:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:41:35,383 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-11-28 07:41:35,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:41:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-11-28 07:41:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 07:41:35,385 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:41:35,385 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] [2020-11-28 07:41:35,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:41:35,594 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:41:35,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:41:35,595 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2020-11-28 07:41:35,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:41:35,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032502720] [2020-11-28 07:41:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:35,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:41:35,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:35,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:35,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032502720] [2020-11-28 07:41:35,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:41:35,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-28 07:41:35,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462476666] [2020-11-28 07:41:35,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:41:35,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:41:35,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:41:35,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:41:35,878 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2020-11-28 07:41:36,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:41:36,224 INFO L93 Difference]: Finished difference Result 198 states and 296 transitions. [2020-11-28 07:41:36,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 07:41:36,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2020-11-28 07:41:36,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:41:36,228 INFO L225 Difference]: With dead ends: 198 [2020-11-28 07:41:36,228 INFO L226 Difference]: Without dead ends: 173 [2020-11-28 07:41:36,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-28 07:41:36,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-28 07:41:36,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 72. [2020-11-28 07:41:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-28 07:41:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2020-11-28 07:41:36,261 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2020-11-28 07:41:36,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:41:36,263 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2020-11-28 07:41:36,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:41:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-11-28 07:41:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:41:36,265 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:41:36,265 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] [2020-11-28 07:41:36,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:41:36,485 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:41:36,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:41:36,485 INFO L82 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2020-11-28 07:41:36,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:41:36,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031150294] [2020-11-28 07:41:36,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:36,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:41:36,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:36,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:36,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031150294] [2020-11-28 07:41:36,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:41:36,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-28 07:41:36,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619216208] [2020-11-28 07:41:36,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:41:36,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:41:36,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:41:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:41:36,720 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2020-11-28 07:41:38,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:41:38,273 INFO L93 Difference]: Finished difference Result 190 states and 268 transitions. [2020-11-28 07:41:38,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:41:38,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 07:41:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:41:38,275 INFO L225 Difference]: With dead ends: 190 [2020-11-28 07:41:38,275 INFO L226 Difference]: Without dead ends: 124 [2020-11-28 07:41:38,276 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 [2020-11-28 07:41:38,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-11-28 07:41:38,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2020-11-28 07:41:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-11-28 07:41:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-11-28 07:41:38,294 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 24 [2020-11-28 07:41:38,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:41:38,295 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-11-28 07:41:38,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:41:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-11-28 07:41:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 07:41:38,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:41:38,298 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] [2020-11-28 07:41:38,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:41:38,511 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:41:38,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:41:38,512 INFO L82 PathProgramCache]: Analyzing trace with hash -2017502855, now seen corresponding path program 1 times [2020-11-28 07:41:38,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:41:38,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3923323] [2020-11-28 07:41:38,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:38,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:41:38,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:38,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:38,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3923323] [2020-11-28 07:41:38,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:41:38,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:41:38,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043087148] [2020-11-28 07:41:38,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:41:38,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:41:38,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:41:38,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:41:38,736 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-11-28 07:41:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:41:38,765 INFO L93 Difference]: Finished difference Result 176 states and 245 transitions. [2020-11-28 07:41:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:41:38,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-28 07:41:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:41:38,767 INFO L225 Difference]: With dead ends: 176 [2020-11-28 07:41:38,767 INFO L226 Difference]: Without dead ends: 60 [2020-11-28 07:41:38,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:41:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-28 07:41:38,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-11-28 07:41:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 07:41:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2020-11-28 07:41:38,776 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 27 [2020-11-28 07:41:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:41:38,776 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2020-11-28 07:41:38,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:41:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-11-28 07:41:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 07:41:38,778 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:41:38,779 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:41:38,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-28 07:41:38,997 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:41:38,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:41:38,998 INFO L82 PathProgramCache]: Analyzing trace with hash -427950882, now seen corresponding path program 1 times [2020-11-28 07:41:38,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:41:38,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186900497] [2020-11-28 07:41:38,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/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 [2020-11-28 07:41:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:39,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:41:39,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:39,282 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:39,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:41:39,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186900497] [2020-11-28 07:41:39,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1993368820] [2020-11-28 07:41:39,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:41:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:41:39,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:41:39,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:41:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 07:41:39,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:41:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 07:41:39,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:41:39,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 3] total 10 [2020-11-28 07:41:39,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945136425] [2020-11-28 07:41:39,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:41:39,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:41:39,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:41:39,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-28 07:41:39,600 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2020-11-28 07:41:39,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:41:39,719 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2020-11-28 07:41:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:41:39,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-11-28 07:41:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:41:39,720 INFO L225 Difference]: With dead ends: 118 [2020-11-28 07:41:39,720 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:41:39,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-28 07:41:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:41:39,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:41:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:41:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:41:39,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-11-28 07:41:39,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:41:39,722 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:41:39,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:41:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:41:39,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:41:40,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2020-11-28 07:41:40,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:41:40,667 INFO L274 CegarLoopResult]: For program point L795(lines 794 839) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point L498-2(line 498) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L274 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-11-28 07:41:40,668 INFO L270 CegarLoopResult]: At program point L879(lines 874 882) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,668 INFO L270 CegarLoopResult]: At program point L648(lines 648 654) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,669 INFO L270 CegarLoopResult]: At program point L648-1(lines 648 654) the Hoare annotation is: false [2020-11-28 07:41:40,669 INFO L270 CegarLoopResult]: At program point L648-2(lines 648 654) the Hoare annotation is: false [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L516-2(lines 516 522) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L516-4(lines 516 522) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L830-2(lines 641 647) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L814(lines 814 820) no Hoare annotation was computed. [2020-11-28 07:41:40,669 INFO L270 CegarLoopResult]: At program point L814-1(lines 814 820) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,669 INFO L274 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-11-28 07:41:40,670 INFO L277 CegarLoopResult]: At program point L618-1(lines 618 625) the Hoare annotation is: true [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L734(lines 727 737) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L734-1(lines 727 737) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L734-2(lines 727 737) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-28 07:41:40,670 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:41:40,670 INFO L274 CegarLoopResult]: For program point L804(lines 804 810) no Hoare annotation was computed. [2020-11-28 07:41:40,671 INFO L270 CegarLoopResult]: At program point L804-1(lines 804 810) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,671 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:41:40,671 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-28 07:41:40,671 INFO L270 CegarLoopResult]: At program point L871(lines 1 882) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,671 INFO L274 CegarLoopResult]: For program point L673(lines 673 690) no Hoare annotation was computed. [2020-11-28 07:41:40,671 INFO L274 CegarLoopResult]: For program point L673-1(lines 673 690) no Hoare annotation was computed. [2020-11-28 07:41:40,671 INFO L274 CegarLoopResult]: For program point L673-2(lines 673 690) no Hoare annotation was computed. [2020-11-28 07:41:40,671 INFO L270 CegarLoopResult]: At program point L591(lines 587 593) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,671 INFO L270 CegarLoopResult]: At program point L641(lines 640 659) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,671 INFO L274 CegarLoopResult]: For program point L641-1(lines 641 647) no Hoare annotation was computed. [2020-11-28 07:41:40,671 INFO L270 CegarLoopResult]: At program point L641-2(lines 640 659) the Hoare annotation is: false [2020-11-28 07:41:40,671 INFO L270 CegarLoopResult]: At program point L641-3(lines 640 659) the Hoare annotation is: false [2020-11-28 07:41:40,671 INFO L270 CegarLoopResult]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2020-11-28 07:41:40,672 INFO L270 CegarLoopResult]: At program point L840(lines 793 841) the Hoare annotation is: false [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point L824(lines 824 835) no Hoare annotation was computed. [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:41:40,672 INFO L277 CegarLoopResult]: At program point L627(lines 608 630) the Hoare annotation is: true [2020-11-28 07:41:40,672 INFO L270 CegarLoopResult]: At program point L743(lines 738 746) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,672 INFO L270 CegarLoopResult]: At program point L743-1(lines 738 746) the Hoare annotation is: false [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point L677(lines 677 685) no Hoare annotation was computed. [2020-11-28 07:41:40,672 INFO L270 CegarLoopResult]: At program point L743-2(lines 738 746) the Hoare annotation is: false [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point L677-1(lines 677 685) no Hoare annotation was computed. [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point L677-2(lines 677 685) no Hoare annotation was computed. [2020-11-28 07:41:40,672 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-28 07:41:40,673 INFO L274 CegarLoopResult]: For program point L512(lines 512 525) no Hoare annotation was computed. [2020-11-28 07:41:40,673 INFO L270 CegarLoopResult]: At program point L512-1(lines 1 882) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:41:40,673 INFO L274 CegarLoopResult]: For program point L512-2(lines 512 525) no Hoare annotation was computed. [2020-11-28 07:41:40,673 INFO L270 CegarLoopResult]: At program point L512-3(lines 1 882) the Hoare annotation is: false [2020-11-28 07:41:40,673 INFO L274 CegarLoopResult]: For program point L512-4(lines 512 525) no Hoare annotation was computed. [2020-11-28 07:41:40,673 INFO L270 CegarLoopResult]: At program point L512-5(lines 1 882) the Hoare annotation is: false [2020-11-28 07:41:40,673 INFO L274 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-11-28 07:41:40,673 INFO L274 CegarLoopResult]: For program point L546-1(lines 641 647) no Hoare annotation was computed. [2020-11-28 07:41:40,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:41:40 BoogieIcfgContainer [2020-11-28 07:41:40,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:41:40,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:41:40,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:41:40,706 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:41:40,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:41:33" (3/4) ... [2020-11-28 07:41:40,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:41:40,734 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:41:40,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:41:40,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:41:40,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:41:40,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:41:40,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:41:40,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:41:40,767 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-28 07:41:40,832 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b4da5a4c-1803-43fb-812c-b0abd1fd31fd/bin/utaipan/witness.graphml [2020-11-28 07:41:40,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:41:40,834 INFO L168 Benchmark]: Toolchain (without parser) took 9979.42 ms. Allocated memory was 71.3 MB in the beginning and 109.1 MB in the end (delta: 37.7 MB). Free memory was 53.9 MB in the beginning and 60.1 MB in the end (delta: -6.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,835 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 71.3 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:40,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.77 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 47.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.35 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 44.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,836 INFO L168 Benchmark]: Boogie Preprocessor took 42.57 ms. Allocated memory is still 71.3 MB. Free memory was 44.8 MB in the beginning and 42.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,837 INFO L168 Benchmark]: RCFGBuilder took 2360.95 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 42.7 MB in the beginning and 57.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,837 INFO L168 Benchmark]: TraceAbstraction took 6748.94 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 56.8 MB in the beginning and 66.4 MB in the end (delta: -9.7 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,838 INFO L168 Benchmark]: Witness Printer took 127.41 ms. Allocated memory is still 109.1 MB. Free memory was 66.4 MB in the beginning and 60.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 71.3 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 628.77 ms. Allocated memory is still 71.3 MB. Free memory was 53.7 MB in the beginning and 47.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.35 ms. Allocated memory is still 71.3 MB. Free memory was 47.8 MB in the beginning and 44.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.57 ms. Allocated memory is still 71.3 MB. Free memory was 44.8 MB in the beginning and 42.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2360.95 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 42.7 MB in the beginning and 57.3 MB in the end (delta: -14.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6748.94 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 56.8 MB in the beginning and 66.4 MB in the end (delta: -9.7 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Witness Printer took 127.41 ms. Allocated memory is still 109.1 MB. Free memory was 66.4 MB in the beginning and 60.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 72 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 378 SDtfs, 535 SDslu, 420 SDs, 0 SdLazy, 97 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 149 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1764 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 30 FomulaSimplificationsInter, 232 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 1 QuantifiedInterpolants, 26443 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1610 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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...