./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/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 abdaf7d039f72f53757ac3024ed39e407d16dbdb ............................................................................................................................................ 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_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/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 abdaf7d039f72f53757ac3024ed39e407d16dbdb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:58:25,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:25,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:26,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:26,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:26,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:26,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:26,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:26,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:26,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:26,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:26,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:26,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:26,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:26,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:26,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:26,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:26,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:26,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:26,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:26,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:26,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:26,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:26,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:26,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:26,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:26,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:26,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:26,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:26,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:26,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:26,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:26,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:26,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:26,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:26,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:26,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:26,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:26,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:26,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:26,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:26,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:58:26,172 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:26,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:26,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:26,177 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:26,178 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:26,178 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:26,178 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:58:26,178 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:26,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:26,179 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:58:26,180 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:58:26,180 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:26,180 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:58:26,180 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:58:26,181 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:58:26,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:26,182 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:26,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:58:26,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:26,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:26,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:26,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:26,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:26,183 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:26,183 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:26,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:26,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:26,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:26,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:26,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:26,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:26,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:26,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:26,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:26,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:26,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:58:26,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:58:26,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:26,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:26,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:26,188 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_3286b95f-b223-49a5-b433-7215b813244a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2020-11-22 12:58:26,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:26,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:26,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:26,522 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:26,523 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:26,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-11-22 12:58:26,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/47db7f067/8da53481561f4b0a8336f5c6a89bd594/FLAG993729f06 [2020-11-22 12:58:27,204 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:27,206 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-11-22 12:58:27,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/47db7f067/8da53481561f4b0a8336f5c6a89bd594/FLAG993729f06 [2020-11-22 12:58:27,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/47db7f067/8da53481561f4b0a8336f5c6a89bd594 [2020-11-22 12:58:27,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:27,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:27,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:27,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:27,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:27,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:27" (1/1) ... [2020-11-22 12:58:27,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7943a16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:27, skipping insertion in model container [2020-11-22 12:58:27,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:27" (1/1) ... [2020-11-22 12:58:27,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:27,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:27,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:27,938 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-22 12:58:27,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6eb7d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:27, skipping insertion in model container [2020-11-22 12:58:27,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:27,939 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:58:27,941 INFO L168 Benchmark]: Toolchain (without parser) took 446.61 ms. Allocated memory is still 102.8 MB. Free memory was 65.5 MB in the beginning and 75.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,942 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory was 75.0 MB in the beginning and 75.0 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:27,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.86 ms. Allocated memory is still 102.8 MB. Free memory was 65.3 MB in the beginning and 75.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:27,945 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 102.8 MB. Free memory was 75.0 MB in the beginning and 75.0 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.86 ms. Allocated memory is still 102.8 MB. Free memory was 65.3 MB in the beginning and 75.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 99]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:58:30,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:58:30,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:58:30,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:58:30,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:58:30,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:58:30,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:58:30,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:58:30,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:58:30,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:58:30,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:58:30,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:58:30,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:58:30,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:58:30,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:58:30,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:58:30,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:58:30,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:58:30,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:58:30,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:58:30,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:58:30,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:58:30,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:58:30,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:58:30,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:58:30,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:58:30,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:58:30,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:58:30,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:58:30,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:58:30,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:58:30,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:58:30,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:58:30,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:58:30,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:58:30,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:58:30,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:58:30,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:58:30,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:58:30,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:58:30,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:58:30,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:58:30,370 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:58:30,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:58:30,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:58:30,371 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:58:30,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:58:30,372 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:58:30,372 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:58:30,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:58:30,372 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:58:30,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:58:30,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:58:30,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:58:30,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:58:30,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:58:30,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:58:30,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:58:30,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:58:30,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:58:30,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:58:30,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:58:30,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:58:30,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:58:30,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:58:30,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:58:30,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:58:30,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:58:30,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:58:30,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:30,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:58:30,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:58:30,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:58:30,377 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:58:30,377 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:58:30,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:58:30,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:58:30,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:58:30,378 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_3286b95f-b223-49a5-b433-7215b813244a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2020-11-22 12:58:30,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:58:30,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:58:30,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:58:30,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:58:30,747 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:58:30,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-11-22 12:58:30,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/c6ce49abf/9c7bdeca6c6c45f9b08d1febd7efdba2/FLAGa974f0392 [2020-11-22 12:58:31,484 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:58:31,484 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-11-22 12:58:31,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/c6ce49abf/9c7bdeca6c6c45f9b08d1febd7efdba2/FLAGa974f0392 [2020-11-22 12:58:31,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/data/c6ce49abf/9c7bdeca6c6c45f9b08d1febd7efdba2 [2020-11-22 12:58:31,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:58:31,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:58:31,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:31,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:58:31,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:58:31,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:31" (1/1) ... [2020-11-22 12:58:31,789 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 22.11 12:58:31, skipping insertion in model container [2020-11-22 12:58:31,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:58:31" (1/1) ... [2020-11-22 12:58:31,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:58:31,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:32,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,219 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:58:32,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:58:32,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,365 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:58:32,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:58:32,487 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:58:32,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32 WrapperNode [2020-11-22 12:58:32,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:58:32,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:32,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:58:32,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:58:32,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:58:32,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:58:32,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:58:32,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:58:32,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... [2020-11-22 12:58:32,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:58:32,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:58:32,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:58:32,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:58:32,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:58:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:58:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:58:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:58:32,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:58:34,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:58:34,985 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-11-22 12:58:34,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:34 BoogieIcfgContainer [2020-11-22 12:58:34,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:58:34,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:58:34,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:58:34,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:58:34,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:58:31" (1/3) ... [2020-11-22 12:58:34,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749fea5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:34, skipping insertion in model container [2020-11-22 12:58:34,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:58:32" (2/3) ... [2020-11-22 12:58:35,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749fea5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:58:34, skipping insertion in model container [2020-11-22 12:58:35,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:34" (3/3) ... [2020-11-22 12:58:35,001 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2020-11-22 12:58:35,011 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:58:35,014 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:58:35,024 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:58:35,042 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:58:35,042 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:58:35,042 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:58:35,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:58:35,043 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:58:35,043 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:58:35,043 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:58:35,043 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:58:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-22 12:58:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 12:58:35,062 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:35,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:35,063 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:35,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:35,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1009828906, now seen corresponding path program 1 times [2020-11-22 12:58:35,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:35,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444811627] [2020-11-22 12:58:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:35,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:58:35,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:35,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:35,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444811627] [2020-11-22 12:58:35,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:35,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:58:35,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368837134] [2020-11-22 12:58:35,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:58:35,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:35,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:58:35,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:58:35,400 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-22 12:58:35,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:35,445 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-11-22 12:58:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:58:35,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 12:58:35,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:35,473 INFO L225 Difference]: With dead ends: 147 [2020-11-22 12:58:35,473 INFO L226 Difference]: Without dead ends: 71 [2020-11-22 12:58:35,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:58:35,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-22 12:58:35,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-22 12:58:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-22 12:58:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-11-22 12:58:35,516 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-11-22 12:58:35,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:35,517 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-11-22 12:58:35,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:58:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-22 12:58:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 12:58:35,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:35,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:35,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:58:35,734 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:35,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:35,735 INFO L82 PathProgramCache]: Analyzing trace with hash -36927991, now seen corresponding path program 1 times [2020-11-22 12:58:35,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:35,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706628063] [2020-11-22 12:58:35,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:35,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:35,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:35,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:35,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706628063] [2020-11-22 12:58:35,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:35,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:58:35,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047872133] [2020-11-22 12:58:35,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:35,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:35,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:35,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:35,972 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 4 states. [2020-11-22 12:58:35,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:35,985 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-11-22 12:58:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:35,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 12:58:35,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:35,987 INFO L225 Difference]: With dead ends: 71 [2020-11-22 12:58:35,987 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 12:58:35,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:35,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 12:58:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 12:58:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 12:58:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-22 12:58:35,994 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-22 12:58:35,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:35,994 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-22 12:58:35,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-22 12:58:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 12:58:35,995 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:35,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:36,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:58:36,196 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:36,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-11-22 12:58:36,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:36,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90950848] [2020-11-22 12:58:36,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:36,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:58:36,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:36,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:36,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:36,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90950848] [2020-11-22 12:58:36,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:36,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:58:36,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665055583] [2020-11-22 12:58:36,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:58:36,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:36,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:58:36,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:36,421 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2020-11-22 12:58:36,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:36,435 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-11-22 12:58:36,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:58:36,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 12:58:36,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:36,437 INFO L225 Difference]: With dead ends: 60 [2020-11-22 12:58:36,437 INFO L226 Difference]: Without dead ends: 33 [2020-11-22 12:58:36,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:58:36,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-22 12:58:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-22 12:58:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-22 12:58:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-22 12:58:36,443 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-11-22 12:58:36,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:36,443 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-22 12:58:36,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:58:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-22 12:58:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-22 12:58:36,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:36,445 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] [2020-11-22 12:58:36,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:58:36,646 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:36,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:36,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-11-22 12:58:36,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:36,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980561145] [2020-11-22 12:58:36,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:36,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:36,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:36,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:36,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:36,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980561145] [2020-11-22 12:58:36,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:36,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:58:36,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645060802] [2020-11-22 12:58:36,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:36,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:36,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:36,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:36,886 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-22 12:58:37,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:37,014 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-11-22 12:58:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:58:37,015 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-22 12:58:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:37,017 INFO L225 Difference]: With dead ends: 151 [2020-11-22 12:58:37,017 INFO L226 Difference]: Without dead ends: 124 [2020-11-22 12:58:37,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:58:37,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-11-22 12:58:37,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2020-11-22 12:58:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-22 12:58:37,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-11-22 12:58:37,037 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2020-11-22 12:58:37,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:37,037 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-11-22 12:58:37,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-11-22 12:58:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:58:37,040 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:58:37,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:58:37,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:58:37,257 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:58:37,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:58:37,258 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2020-11-22 12:58:37,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:58:37,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541402138] [2020-11-22 12:58:37,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-22 12:58:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:58:37,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:58:37,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:58:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:37,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:58:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:58:37,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541402138] [2020-11-22 12:58:37,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:58:37,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:58:37,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394536658] [2020-11-22 12:58:37,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:58:37,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:58:37,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:58:37,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:58:37,483 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2020-11-22 12:58:37,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:58:37,592 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2020-11-22 12:58:37,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:58:37,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 12:58:37,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:58:37,594 INFO L225 Difference]: With dead ends: 148 [2020-11-22 12:58:37,594 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:58:37,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:58:37,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:58:37,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:58:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:58:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:58:37,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-22 12:58:37,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:58:37,596 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:58:37,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:58:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:58:37,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:58:37,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:58:37,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:58:38,160 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:38,161 INFO L274 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-11-22 12:58:38,161 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 700) no Hoare annotation was computed. [2020-11-22 12:58:38,161 INFO L274 CegarLoopResult]: For program point L696-3(lines 696 700) no Hoare annotation was computed. [2020-11-22 12:58:38,161 INFO L274 CegarLoopResult]: For program point L696-5(lines 696 700) no Hoare annotation was computed. [2020-11-22 12:58:38,161 INFO L274 CegarLoopResult]: For program point L696-6(lines 696 700) no Hoare annotation was computed. [2020-11-22 12:58:38,161 INFO L274 CegarLoopResult]: For program point L696-8(lines 696 700) no Hoare annotation was computed. [2020-11-22 12:58:38,162 INFO L270 CegarLoopResult]: At program point L647(lines 642 650) 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))) [2020-11-22 12:58:38,162 INFO L270 CegarLoopResult]: At program point L647-1(lines 642 650) the Hoare annotation is: false [2020-11-22 12:58:38,162 INFO L270 CegarLoopResult]: At program point L647-2(lines 642 650) the Hoare annotation is: false [2020-11-22 12:58:38,162 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:58:38,162 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:58:38,162 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:58:38,162 INFO L270 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2020-11-22 12:58:38,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:58:38,163 INFO L274 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-11-22 12:58:38,163 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-11-22 12:58:38,163 INFO L274 CegarLoopResult]: For program point L598-1(lines 598 606) no Hoare annotation was computed. [2020-11-22 12:58:38,163 INFO L270 CegarLoopResult]: At program point L53-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,163 INFO L274 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2020-11-22 12:58:38,163 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2020-11-22 12:58:38,163 INFO L270 CegarLoopResult]: At program point L53-3(lines 1 895) the Hoare annotation is: false [2020-11-22 12:58:38,163 INFO L274 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2020-11-22 12:58:38,163 INFO L270 CegarLoopResult]: At program point L53-5(lines 1 895) the Hoare annotation is: false [2020-11-22 12:58:38,164 INFO L274 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-11-22 12:58:38,164 INFO L274 CegarLoopResult]: For program point L714-3(lines 714 718) no Hoare annotation was computed. [2020-11-22 12:58:38,164 INFO L274 CegarLoopResult]: For program point L714-6(lines 714 718) no Hoare annotation was computed. [2020-11-22 12:58:38,164 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-22 12:58:38,164 INFO L270 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,164 INFO L274 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2020-11-22 12:58:38,164 INFO L274 CegarLoopResult]: For program point L453-1(lines 562 568) no Hoare annotation was computed. [2020-11-22 12:58:38,164 INFO L270 CegarLoopResult]: At program point L569(lines 569 575) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,165 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-11-22 12:58:38,165 INFO L270 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: false [2020-11-22 12:58:38,165 INFO L277 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2020-11-22 12:58:38,165 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2020-11-22 12:58:38,165 INFO L270 CegarLoopResult]: At program point L569-2(lines 569 575) the Hoare annotation is: false [2020-11-22 12:58:38,165 INFO L274 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2020-11-22 12:58:38,165 INFO L274 CegarLoopResult]: For program point L817(lines 817 823) no Hoare annotation was computed. [2020-11-22 12:58:38,165 INFO L270 CegarLoopResult]: At program point L817-1(lines 817 823) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,166 INFO L270 CegarLoopResult]: At program point L751(lines 746 754) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,166 INFO L270 CegarLoopResult]: At program point L751-1(lines 746 754) the Hoare annotation is: false [2020-11-22 12:58:38,167 INFO L270 CegarLoopResult]: At program point L751-2(lines 746 754) the Hoare annotation is: false [2020-11-22 12:58:38,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:58:38,167 INFO L270 CegarLoopResult]: At program point L702(lines 687 705) the Hoare annotation is: false [2020-11-22 12:58:38,167 INFO L270 CegarLoopResult]: At program point L702-1(lines 687 705) the Hoare annotation is: false [2020-11-22 12:58:38,167 INFO L270 CegarLoopResult]: At program point L702-2(lines 687 705) the Hoare annotation is: false [2020-11-22 12:58:38,167 INFO L270 CegarLoopResult]: At program point L884(lines 1 895) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:38,168 INFO L270 CegarLoopResult]: At program point L853(lines 806 854) the Hoare annotation is: false [2020-11-22 12:58:38,168 INFO L274 CegarLoopResult]: For program point L837(lines 837 848) no Hoare annotation was computed. [2020-11-22 12:58:38,168 INFO L274 CegarLoopResult]: For program point L738(lines 738 742) no Hoare annotation was computed. [2020-11-22 12:58:38,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:58:38,168 INFO L274 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-11-22 12:58:38,169 INFO L277 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2020-11-22 12:58:38,169 INFO L274 CegarLoopResult]: For program point L808(lines 807 852) no Hoare annotation was computed. [2020-11-22 12:58:38,169 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:58:38,169 INFO L270 CegarLoopResult]: At program point L792(lines 787 795) the Hoare annotation is: false [2020-11-22 12:58:38,169 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:58:38,169 INFO L270 CegarLoopResult]: At program point L792-1(lines 787 795) the Hoare annotation is: false [2020-11-22 12:58:38,170 INFO L274 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-11-22 12:58:38,170 INFO L270 CegarLoopResult]: At program point L792-2(lines 787 795) the Hoare annotation is: false [2020-11-22 12:58:38,170 INFO L274 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-11-22 12:58:38,170 INFO L274 CegarLoopResult]: For program point L594-1(lines 594 611) no Hoare annotation was computed. [2020-11-22 12:58:38,170 INFO L274 CegarLoopResult]: For program point L594-2(lines 594 611) no Hoare annotation was computed. [2020-11-22 12:58:38,170 INFO L274 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2020-11-22 12:58:38,170 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-22 12:58:38,171 INFO L274 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-11-22 12:58:38,171 INFO L274 CegarLoopResult]: For program point L545-2(line 545) no Hoare annotation was computed. [2020-11-22 12:58:38,171 INFO L270 CegarLoopResult]: At program point L892(lines 887 895) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,171 INFO L270 CegarLoopResult]: At program point L562(lines 561 580) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,171 INFO L274 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-11-22 12:58:38,171 INFO L270 CegarLoopResult]: At program point L562-2(lines 561 580) the Hoare annotation is: false [2020-11-22 12:58:38,172 INFO L270 CegarLoopResult]: At program point L562-3(lines 561 580) the Hoare annotation is: false [2020-11-22 12:58:38,172 INFO L274 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-11-22 12:58:38,172 INFO L274 CegarLoopResult]: For program point L843-2(lines 562 568) no Hoare annotation was computed. [2020-11-22 12:58:38,172 INFO L274 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-11-22 12:58:38,172 INFO L270 CegarLoopResult]: At program point L827-1(lines 827 833) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:58:38,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:58:38 BoogieIcfgContainer [2020-11-22 12:58:38,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:58:38,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:58:38,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:58:38,189 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:58:38,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:58:34" (3/4) ... [2020-11-22 12:58:38,192 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:58:38,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:58:38,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:58:38,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:58:38,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:58:38,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:58:38,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:38,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:58:38,237 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2020-11-22 12:58:38,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3286b95f-b223-49a5-b433-7215b813244a/bin/utaipan/witness.graphml [2020-11-22 12:58:38,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:58:38,281 INFO L168 Benchmark]: Toolchain (without parser) took 6498.81 ms. Allocated memory was 48.2 MB in the beginning and 86.0 MB in the end (delta: 37.7 MB). Free memory was 22.7 MB in the beginning and 54.1 MB in the end (delta: -31.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:38,281 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:58:38,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.33 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.5 MB in the beginning and 27.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:38,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.75 ms. Allocated memory is still 58.7 MB. Free memory was 27.1 MB in the beginning and 38.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:38,282 INFO L168 Benchmark]: Boogie Preprocessor took 58.78 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 36.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:38,283 INFO L168 Benchmark]: RCFGBuilder took 2365.00 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 40.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:38,283 INFO L168 Benchmark]: TraceAbstraction took 3196.13 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 40.2 MB in the beginning and 60.4 MB in the end (delta: -20.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:38,284 INFO L168 Benchmark]: Witness Printer took 90.60 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 54.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:58:38,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 43.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 705.33 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.5 MB in the beginning and 27.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.75 ms. Allocated memory is still 58.7 MB. Free memory was 27.1 MB in the beginning and 38.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.78 ms. Allocated memory is still 58.7 MB. Free memory was 38.7 MB in the beginning and 36.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2365.00 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 40.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3196.13 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 40.2 MB in the beginning and 60.4 MB in the end (delta: -20.2 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Witness Printer took 90.60 ms. Allocated memory is still 86.0 MB. Free memory was 60.4 MB in the beginning and 54.1 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: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 313 SDslu, 269 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, 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, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 143 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1193 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 8519 SizeOfPredicates, 8 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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...