./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 4ac176d5f6a200147241aca05fd00270bccec34f ........................................................................................................................................... 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_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 4ac176d5f6a200147241aca05fd00270bccec34f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 07:31:31,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:31:31,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:31:31,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:31:31,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:31:31,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:31:31,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:31:31,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:31:31,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:31:31,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:31:31,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:31:31,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:31:31,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:31:31,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:31:31,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:31:31,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:31:31,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:31:31,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:31:31,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:31:31,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:31:31,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:31:31,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:31:31,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:31:31,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:31:31,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:31:31,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:31:31,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:31:31,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:31:31,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:31:31,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:31:31,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:31:31,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:31:31,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:31:31,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:31:31,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:31:31,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:31:31,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:31:31,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:31:31,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:31:31,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:31:31,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:31:31,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 07:31:32,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:31:32,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:31:32,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:31:32,003 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:31:32,003 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:31:32,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 07:31:32,004 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 07:31:32,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:31:32,005 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 07:31:32,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 07:31:32,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 07:31:32,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:31:32,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 07:31:32,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:31:32,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:31:32,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:31:32,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:31:32,007 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_64755dbe-24ae-41e3-acaa-546349e87328/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac176d5f6a200147241aca05fd00270bccec34f [2020-12-09 07:31:32,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:31:32,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:31:32,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:31:32,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:31:32,220 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:31:32,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-12-09 07:31:32,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/860bda3d1/16859fdd5f6d47fb8c1f2828d74f45f1/FLAGf1e936d1c [2020-12-09 07:31:32,646 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:31:32,646 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-12-09 07:31:32,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/860bda3d1/16859fdd5f6d47fb8c1f2828d74f45f1/FLAGf1e936d1c [2020-12-09 07:31:32,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/860bda3d1/16859fdd5f6d47fb8c1f2828d74f45f1 [2020-12-09 07:31:32,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:31:32,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:31:32,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:31:32,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:31:32,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:31:32,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:31:32" (1/1) ... [2020-12-09 07:31:32,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676cb1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:32, skipping insertion in model container [2020-12-09 07:31:32,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:31:32" (1/1) ... [2020-12-09 07:31:32,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:31:32,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:31:32,812 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2020-12-09 07:31:32,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:31:32,894 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) [2020-12-09 07:31:32,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a2549f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:32, skipping insertion in model container [2020-12-09 07:31:32,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:31:32,895 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 07:31:32,897 INFO L168 Benchmark]: Toolchain (without parser) took 227.70 ms. Allocated memory is still 115.3 MB. Free memory was 77.0 MB in the beginning and 88.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:32,897 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 115.3 MB. Free memory is still 94.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:31:32,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.89 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 88.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:32,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 115.3 MB. Free memory is still 94.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 225.89 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 88.1 MB in the end (delta: -11.3 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: 292]: 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 0.2.0-7b2dab5 [2020-12-09 07:31:34,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 07:31:34,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 07:31:34,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 07:31:34,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 07:31:34,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 07:31:34,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 07:31:34,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 07:31:34,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 07:31:34,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 07:31:34,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 07:31:34,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 07:31:34,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 07:31:34,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 07:31:34,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 07:31:34,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 07:31:34,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 07:31:34,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 07:31:34,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 07:31:34,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 07:31:34,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 07:31:34,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 07:31:34,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 07:31:34,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 07:31:34,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 07:31:34,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 07:31:34,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 07:31:34,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 07:31:34,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 07:31:34,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 07:31:34,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 07:31:34,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 07:31:34,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 07:31:34,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 07:31:34,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 07:31:34,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 07:31:34,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 07:31:34,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 07:31:34,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 07:31:34,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 07:31:34,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 07:31:34,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 07:31:34,352 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 07:31:34,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 07:31:34,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 07:31:34,353 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 07:31:34,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 07:31:34,353 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 07:31:34,353 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 07:31:34,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 07:31:34,353 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 07:31:34,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 07:31:34,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 07:31:34,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 07:31:34,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 07:31:34,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 07:31:34,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 07:31:34,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 07:31:34,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 07:31:34,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 07:31:34,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 07:31:34,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 07:31:34,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 07:31:34,357 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_64755dbe-24ae-41e3-acaa-546349e87328/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ac176d5f6a200147241aca05fd00270bccec34f [2020-12-09 07:31:34,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 07:31:34,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 07:31:34,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 07:31:34,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 07:31:34,624 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 07:31:34,625 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-12-09 07:31:34,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/9f5018ca6/a1129ccffeda45dba3bf4a5d6574abc6/FLAGcc707077b [2020-12-09 07:31:35,115 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 07:31:35,115 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2020-12-09 07:31:35,125 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/9f5018ca6/a1129ccffeda45dba3bf4a5d6574abc6/FLAGcc707077b [2020-12-09 07:31:35,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/data/9f5018ca6/a1129ccffeda45dba3bf4a5d6574abc6 [2020-12-09 07:31:35,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 07:31:35,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 07:31:35,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 07:31:35,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 07:31:35,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 07:31:35,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4988adaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35, skipping insertion in model container [2020-12-09 07:31:35,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 07:31:35,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:31:35,291 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2020-12-09 07:31:35,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:31:35,398 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 07:31:35,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 07:31:35,406 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2020-12-09 07:31:35,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:31:35,446 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 07:31:35,455 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1281,1294] [2020-12-09 07:31:35,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 07:31:35,505 INFO L208 MainTranslator]: Completed translation [2020-12-09 07:31:35,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35 WrapperNode [2020-12-09 07:31:35,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 07:31:35,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 07:31:35,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 07:31:35,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 07:31:35,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 07:31:35,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 07:31:35,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 07:31:35,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 07:31:35,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... [2020-12-09 07:31:35,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 07:31:35,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 07:31:35,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 07:31:35,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 07:31:35,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 [2020-12-09 07:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 07:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 07:31:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 07:31:35,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 07:31:37,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 07:31:37,069 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2020-12-09 07:31:37,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:31:37 BoogieIcfgContainer [2020-12-09 07:31:37,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 07:31:37,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 07:31:37,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 07:31:37,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 07:31:37,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:31:35" (1/3) ... [2020-12-09 07:31:37,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68251566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:31:37, skipping insertion in model container [2020-12-09 07:31:37,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:31:35" (2/3) ... [2020-12-09 07:31:37,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68251566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:31:37, skipping insertion in model container [2020-12-09 07:31:37,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:31:37" (3/3) ... [2020-12-09 07:31:37,082 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2020-12-09 07:31:37,095 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 07:31:37,098 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 07:31:37,108 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 07:31:37,126 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 07:31:37,126 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 07:31:37,126 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 07:31:37,126 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 07:31:37,126 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 07:31:37,126 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 07:31:37,126 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 07:31:37,126 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 07:31:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-12-09 07:31:37,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 07:31:37,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:31:37,140 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:31:37,140 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:31:37,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:31:37,144 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2020-12-09 07:31:37,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:31:37,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869558189] [2020-12-09 07:31:37,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 [2020-12-09 07:31:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:31:37,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 07:31:37,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:31:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:31:37,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:31:37,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869558189] [2020-12-09 07:31:37,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:31:37,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 07:31:37,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3807996] [2020-12-09 07:31:37,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 07:31:37,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:31:37,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 07:31:37,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 07:31:37,373 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2020-12-09 07:31:37,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:31:37,390 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2020-12-09 07:31:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 07:31:37,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-09 07:31:37,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:31:37,397 INFO L225 Difference]: With dead ends: 112 [2020-12-09 07:31:37,397 INFO L226 Difference]: Without dead ends: 55 [2020-12-09 07:31:37,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 07:31:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-09 07:31:37,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-09 07:31:37,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-09 07:31:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2020-12-09 07:31:37,425 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2020-12-09 07:31:37,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:31:37,425 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2020-12-09 07:31:37,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 07:31:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2020-12-09 07:31:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 07:31:37,430 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:31:37,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 07:31:37,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 07:31:37,631 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:31:37,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:31:37,632 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2020-12-09 07:31:37,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:31:37,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24842379] [2020-12-09 07:31:37,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 [2020-12-09 07:31:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:31:37,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 07:31:37,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:31:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:31:37,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:31:37,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24842379] [2020-12-09 07:31:37,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:31:37,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 07:31:37,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351541867] [2020-12-09 07:31:37,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:31:37,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:31:37,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:31:37,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:31:37,799 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2020-12-09 07:31:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:31:37,808 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2020-12-09 07:31:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:31:37,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 07:31:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:31:37,810 INFO L225 Difference]: With dead ends: 55 [2020-12-09 07:31:37,810 INFO L226 Difference]: Without dead ends: 29 [2020-12-09 07:31:37,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:31:37,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-09 07:31:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-09 07:31:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 07:31:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-12-09 07:31:37,816 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2020-12-09 07:31:37,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:31:37,816 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-12-09 07:31:37,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:31:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-12-09 07:31:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 07:31:37,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:31:37,818 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] [2020-12-09 07:31:38,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 07:31:38,019 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:31:38,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:31:38,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2020-12-09 07:31:38,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:31:38,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397076553] [2020-12-09 07:31:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 [2020-12-09 07:31:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:31:38,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 07:31:38,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:31:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:31:38,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:31:38,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397076553] [2020-12-09 07:31:38,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:31:38,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 07:31:38,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447446219] [2020-12-09 07:31:38,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 07:31:38,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:31:38,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 07:31:38,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:31:38,262 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2020-12-09 07:31:38,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:31:38,296 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2020-12-09 07:31:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 07:31:38,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-09 07:31:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:31:38,298 INFO L225 Difference]: With dead ends: 75 [2020-12-09 07:31:38,298 INFO L226 Difference]: Without dead ends: 52 [2020-12-09 07:31:38,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 07:31:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-12-09 07:31:38,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2020-12-09 07:31:38,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-09 07:31:38,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2020-12-09 07:31:38,307 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2020-12-09 07:31:38,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:31:38,307 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2020-12-09 07:31:38,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 07:31:38,308 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2020-12-09 07:31:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 07:31:38,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:31:38,308 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] [2020-12-09 07:31:38,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 07:31:38,510 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:31:38,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:31:38,512 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2020-12-09 07:31:38,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:31:38,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346286903] [2020-12-09 07:31:38,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 [2020-12-09 07:31:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:31:38,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 07:31:38,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:31:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:31:38,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:31:38,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346286903] [2020-12-09 07:31:38,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:31:38,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 07:31:38,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150028128] [2020-12-09 07:31:38,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 07:31:38,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:31:38,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 07:31:38,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 07:31:38,742 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2020-12-09 07:31:38,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:31:38,826 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2020-12-09 07:31:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 07:31:38,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-09 07:31:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:31:38,829 INFO L225 Difference]: With dead ends: 214 [2020-12-09 07:31:38,829 INFO L226 Difference]: Without dead ends: 172 [2020-12-09 07:31:38,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 07:31:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-09 07:31:38,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2020-12-09 07:31:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-09 07:31:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2020-12-09 07:31:38,846 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2020-12-09 07:31:38,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:31:38,846 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2020-12-09 07:31:38,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 07:31:38,847 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2020-12-09 07:31:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 07:31:38,848 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 07:31:38,848 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] [2020-12-09 07:31:39,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 07:31:39,048 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 07:31:39,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 07:31:39,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2020-12-09 07:31:39,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 07:31:39,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961632573] [2020-12-09 07:31:39,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/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 [2020-12-09 07:31:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 07:31:39,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 07:31:39,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 07:31:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 07:31:39,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 07:31:39,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961632573] [2020-12-09 07:31:39,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 07:31:39,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 07:31:39,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710043499] [2020-12-09 07:31:39,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 07:31:39,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 07:31:39,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 07:31:39,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 07:31:39,222 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2020-12-09 07:31:39,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 07:31:39,302 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2020-12-09 07:31:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 07:31:39,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-09 07:31:39,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 07:31:39,303 INFO L225 Difference]: With dead ends: 268 [2020-12-09 07:31:39,303 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 07:31:39,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 07:31:39,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 07:31:39,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 07:31:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 07:31:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 07:31:39,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-09 07:31:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 07:31:39,306 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 07:31:39,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 07:31:39,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 07:31:39,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 07:31:39,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 07:31:39,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 07:31:39,757 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-09 07:31:39,757 INFO L262 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2020-12-09 07:31:39,757 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 07:31:39,757 INFO L262 CegarLoopResult]: For program point L87(lines 87 93) no Hoare annotation was computed. [2020-12-09 07:31:39,757 INFO L258 CegarLoopResult]: At program point L87-1(lines 87 93) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,758 INFO L262 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-12-09 07:31:39,758 INFO L262 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-12-09 07:31:39,758 INFO L258 CegarLoopResult]: At program point L105-1(lines 141 147) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,758 INFO L265 CegarLoopResult]: At program point L866(lines 847 869) the Hoare annotation is: true [2020-12-09 07:31:39,758 INFO L258 CegarLoopResult]: At program point L834(lines 830 836) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 07:31:39,758 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 07:31:39,758 INFO L258 CegarLoopResult]: At program point L141(lines 140 159) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,758 INFO L262 CegarLoopResult]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2020-12-09 07:31:39,758 INFO L258 CegarLoopResult]: At program point L141-2(lines 140 159) the Hoare annotation is: false [2020-12-09 07:31:39,758 INFO L258 CegarLoopResult]: At program point L141-3(lines 140 159) the Hoare annotation is: false [2020-12-09 07:31:39,759 INFO L258 CegarLoopResult]: At program point L736(lines 1 869) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-09 07:31:39,759 INFO L258 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: false [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-09 07:31:39,759 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 07:31:39,759 INFO L262 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2020-12-09 07:31:39,760 INFO L258 CegarLoopResult]: At program point L244-1(lines 244 250) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,760 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-09 07:31:39,760 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-09 07:31:39,760 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-09 07:31:39,760 INFO L258 CegarLoopResult]: At program point L674(lines 669 677) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,760 INFO L258 CegarLoopResult]: At program point L674-1(lines 669 677) the Hoare annotation is: false [2020-12-09 07:31:39,760 INFO L258 CegarLoopResult]: At program point L674-2(lines 669 677) the Hoare annotation is: false [2020-12-09 07:31:39,760 INFO L262 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-12-09 07:31:39,760 INFO L262 CegarLoopResult]: For program point L757(lines 757 770) no Hoare annotation was computed. [2020-12-09 07:31:39,760 INFO L262 CegarLoopResult]: For program point L790-1(lines 141 147) no Hoare annotation was computed. [2020-12-09 07:31:39,761 INFO L258 CegarLoopResult]: At program point L757-1(lines 1 869) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,761 INFO L262 CegarLoopResult]: For program point L757-2(lines 757 770) no Hoare annotation was computed. [2020-12-09 07:31:39,761 INFO L258 CegarLoopResult]: At program point L757-3(lines 1 869) the Hoare annotation is: false [2020-12-09 07:31:39,761 INFO L262 CegarLoopResult]: For program point L757-4(lines 757 770) no Hoare annotation was computed. [2020-12-09 07:31:39,761 INFO L258 CegarLoopResult]: At program point L757-5(lines 1 869) the Hoare annotation is: false [2020-12-09 07:31:39,761 INFO L262 CegarLoopResult]: For program point L97(lines 97 112) no Hoare annotation was computed. [2020-12-09 07:31:39,761 INFO L262 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-12-09 07:31:39,761 INFO L265 CegarLoopResult]: At program point L857-1(lines 857 864) the Hoare annotation is: true [2020-12-09 07:31:39,761 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 07:31:39,761 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-09 07:31:39,762 INFO L258 CegarLoopResult]: At program point L148(lines 148 154) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,762 INFO L258 CegarLoopResult]: At program point L148-1(lines 148 154) the Hoare annotation is: false [2020-12-09 07:31:39,762 INFO L258 CegarLoopResult]: At program point L148-2(lines 148 154) the Hoare annotation is: false [2020-12-09 07:31:39,762 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-12-09 07:31:39,762 INFO L258 CegarLoopResult]: At program point L744(lines 739 747) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-12-09 07:31:39,762 INFO L262 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-12-09 07:31:39,762 INFO L262 CegarLoopResult]: For program point L761-2(lines 761 767) no Hoare annotation was computed. [2020-12-09 07:31:39,762 INFO L258 CegarLoopResult]: At program point L117(lines 66 118) the Hoare annotation is: false [2020-12-09 07:31:39,762 INFO L262 CegarLoopResult]: For program point L761-4(lines 761 767) no Hoare annotation was computed. [2020-12-09 07:31:39,762 INFO L258 CegarLoopResult]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-12-09 07:31:39,763 INFO L258 CegarLoopResult]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2020-12-09 07:31:39,763 INFO L258 CegarLoopResult]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2020-12-09 07:31:39,763 INFO L262 CegarLoopResult]: For program point L68(lines 67 116) no Hoare annotation was computed. [2020-12-09 07:31:39,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:31:39 BoogieIcfgContainer [2020-12-09 07:31:39,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 07:31:39,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 07:31:39,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 07:31:39,778 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 07:31:39,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:31:37" (3/4) ... [2020-12-09 07:31:39,782 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 07:31:39,793 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-09 07:31:39,794 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-09 07:31:39,794 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 07:31:39,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-09 07:31:39,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 07:31:39,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:31:39,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 07:31:39,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-12-09 07:31:39,852 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_64755dbe-24ae-41e3-acaa-546349e87328/bin/utaipan/witness.graphml [2020-12-09 07:31:39,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 07:31:39,853 INFO L168 Benchmark]: Toolchain (without parser) took 4712.19 ms. Allocated memory was 62.9 MB in the beginning and 96.5 MB in the end (delta: 33.6 MB). Free memory was 43.7 MB in the beginning and 68.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:39,854 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 62.9 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 07:31:39,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.42 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 31.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:39,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.40 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 31.4 MB in the beginning and 63.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:39,855 INFO L168 Benchmark]: Boogie Preprocessor took 26.73 ms. Allocated memory is still 79.7 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:39,855 INFO L168 Benchmark]: RCFGBuilder took 1492.43 ms. Allocated memory is still 79.7 MB. Free memory was 61.2 MB in the beginning and 28.6 MB in the end (delta: 32.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:39,855 INFO L168 Benchmark]: TraceAbstraction took 2701.92 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 61.4 MB in the beginning and 73.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:39,856 INFO L168 Benchmark]: Witness Printer took 73.93 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 68.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 07:31:39,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 62.9 MB. Free memory is still 46.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.42 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 31.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.40 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 31.4 MB in the beginning and 63.3 MB in the end (delta: -31.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.73 ms. Allocated memory is still 79.7 MB. Free memory was 63.3 MB in the beginning and 61.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1492.43 ms. Allocated memory is still 79.7 MB. Free memory was 61.2 MB in the beginning and 28.6 MB in the end (delta: 32.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2701.92 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 61.4 MB in the beginning and 73.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. * Witness Printer took 73.93 ms. Allocated memory is still 96.5 MB. Free memory was 73.8 MB in the beginning and 68.4 MB in the end (delta: 5.4 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 292 SDslu, 270 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, 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, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 116 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3099 SizeOfPredicates, 7 NumberOfNonLiveVariables, 974 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...