./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.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_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI --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 2b192e470c41b75933f65965ba2800987829e5a8 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI --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 2b192e470c41b75933f65965ba2800987829e5a8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:29,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:29,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:29,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:29,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:29,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:29,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:29,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:29,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:29,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:29,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:29,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:29,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:29,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:29,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:29,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:29,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:29,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:29,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:29,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:29,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:29,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:29,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:29,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:29,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:29,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:29,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:29,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:29,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:29,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:29,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:29,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:29,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:29,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:29,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:29,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:29,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:29,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:29,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:29,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:29,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:29,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:29,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:29,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:29,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:29,318 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:29,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:29,318 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:29,318 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:29,319 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:29,319 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:29,319 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:29,319 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:29,319 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:29,319 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:29,320 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:29,320 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:29,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:29,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:29,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:29,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:29,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:29,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:29,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:29,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:29,322 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:29,322 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:29,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:29,322 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:29,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:29,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:29,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:29,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:29,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:29,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:29,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:29,324 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:29,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:29,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:29,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:29,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:29,325 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b192e470c41b75933f65965ba2800987829e5a8 [2021-10-11 02:31:29,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:29,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:29,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:29,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:29,614 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:29,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-11 02:31:29,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/7fdbdfba6/a3103f770b7f43fc8a1d51cafad4b854/FLAGa7cfc99d2 [2021-10-11 02:31:30,322 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:30,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-11 02:31:30,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/7fdbdfba6/a3103f770b7f43fc8a1d51cafad4b854/FLAGa7cfc99d2 [2021-10-11 02:31:30,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/7fdbdfba6/a3103f770b7f43fc8a1d51cafad4b854 [2021-10-11 02:31:30,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:30,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:30,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:30,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:30,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:30,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:30" (1/1) ... [2021-10-11 02:31:30,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e74b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:30, skipping insertion in model container [2021-10-11 02:31:30,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:30" (1/1) ... [2021-10-11 02:31:30,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:30,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:30,972 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-11 02:31:31,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:31,042 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:31:31,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@287315da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:31, skipping insertion in model container [2021-10-11 02:31:31,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:31,044 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:31,047 INFO L168 Benchmark]: Toolchain (without parser) took 446.09 ms. Allocated memory is still 98.6 MB. Free memory was 62.1 MB in the beginning and 71.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:31,049 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 72.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:31,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.99 ms. Allocated memory is still 98.6 MB. Free memory was 61.9 MB in the beginning and 71.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:31,053 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 98.6 MB. Free memory was 72.9 MB in the beginning and 72.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.99 ms. Allocated memory is still 98.6 MB. Free memory was 61.9 MB in the beginning and 71.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 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 0.2.0-7b2dab5 [2021-10-11 02:31:33,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:33,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:33,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:33,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:33,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:33,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:33,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:33,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:33,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:33,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:33,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:33,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:33,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:33,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:33,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:33,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:33,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:33,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:33,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:33,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:33,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:33,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:33,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:33,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:33,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:33,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:33,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:33,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:33,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:33,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:33,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:33,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:33,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:33,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:33,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:33,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:33,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:33,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:33,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:33,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:33,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:33,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:33,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:33,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:33,493 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:33,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:33,493 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:33,493 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:33,494 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:33,494 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:33,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:33,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:33,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:33,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:33,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:33,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:33,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:33,498 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:33,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:33,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:33,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:33,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:33,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:33,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:33,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:33,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:33,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:33,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:33,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:33,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:33,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:33,501 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:33,501 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:33,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:33,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:33,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:33,502 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b192e470c41b75933f65965ba2800987829e5a8 [2021-10-11 02:31:33,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:33,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:33,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:33,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:33,941 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:33,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-11 02:31:34,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/b816f8c59/e1ca16fc7ac44f9d956bf5c23f1cf216/FLAG47c1d296f [2021-10-11 02:31:34,642 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:34,645 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-10-11 02:31:34,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/b816f8c59/e1ca16fc7ac44f9d956bf5c23f1cf216/FLAG47c1d296f [2021-10-11 02:31:34,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/data/b816f8c59/e1ca16fc7ac44f9d956bf5c23f1cf216 [2021-10-11 02:31:34,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:34,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:34,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:34,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:34,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:34,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f9f53e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34, skipping insertion in model container [2021-10-11 02:31:34,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:35,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:35,340 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-11 02:31:35,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:35,429 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:35,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:35,476 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-11 02:31:35,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:35,515 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:35,587 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11394,11407] [2021-10-11 02:31:35,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:35,658 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:35,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35 WrapperNode [2021-10-11 02:31:35,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:35,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:35,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:35,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:35,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:35,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:35,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:35,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:35,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... [2021-10-11 02:31:35,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:35,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:35,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:35,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:35,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:35,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:38,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:38,460 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-11 02:31:38,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:38 BoogieIcfgContainer [2021-10-11 02:31:38,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:38,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:38,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:38,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:38,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:34" (1/3) ... [2021-10-11 02:31:38,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ded3843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:38, skipping insertion in model container [2021-10-11 02:31:38,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:35" (2/3) ... [2021-10-11 02:31:38,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ded3843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:38, skipping insertion in model container [2021-10-11 02:31:38,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:38" (3/3) ... [2021-10-11 02:31:38,474 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-10-11 02:31:38,488 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:38,491 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:38,502 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:38,526 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:38,526 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:38,527 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:38,527 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:38,527 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:38,527 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:38,527 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:38,528 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 02:31:38,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:31:38,547 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:38,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:38,548 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:38,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:38,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-11 02:31:38,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:38,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915975735] [2021-10-11 02:31:38,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:38,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:38,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:38,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:38,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915975735] [2021-10-11 02:31:38,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:38,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:38,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951351513] [2021-10-11 02:31:38,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:38,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:38,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:38,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:38,898 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 02:31:38,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:38,933 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 02:31:38,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:38,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:31:38,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:38,944 INFO L225 Difference]: With dead ends: 108 [2021-10-11 02:31:38,945 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:31:38,948 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 [2021-10-11 02:31:38,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:31:38,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:31:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:31:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 02:31:38,983 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 02:31:38,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:38,984 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 02:31:38,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 02:31:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:31:38,985 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:38,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:39,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:39,205 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:39,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:39,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-11 02:31:39,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:39,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081296666] [2021-10-11 02:31:39,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:39,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:39,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:39,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:39,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2081296666] [2021-10-11 02:31:39,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:39,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:39,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566877118] [2021-10-11 02:31:39,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:39,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:39,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:39,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:39,483 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 02:31:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:39,501 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 02:31:39,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:39,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:31:39,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:39,504 INFO L225 Difference]: With dead ends: 53 [2021-10-11 02:31:39,504 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 02:31:39,505 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 [2021-10-11 02:31:39,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 02:31:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 02:31:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 02:31:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 02:31:39,518 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 02:31:39,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:39,521 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 02:31:39,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 02:31:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:39,524 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:39,524 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] [2021-10-11 02:31:39,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:39,739 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:39,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:39,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-11 02:31:39,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:39,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785122892] [2021-10-11 02:31:39,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:39,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:39,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:40,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:40,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785122892] [2021-10-11 02:31:40,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:40,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:40,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964880997] [2021-10-11 02:31:40,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:40,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:40,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:40,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:40,038 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2021-10-11 02:31:40,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:40,181 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2021-10-11 02:31:40,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:40,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:31:40,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:40,186 INFO L225 Difference]: With dead ends: 90 [2021-10-11 02:31:40,186 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 02:31:40,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:31:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 02:31:40,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 44. [2021-10-11 02:31:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-10-11 02:31:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2021-10-11 02:31:40,211 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 22 [2021-10-11 02:31:40,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:40,211 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2021-10-11 02:31:40,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2021-10-11 02:31:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:31:40,213 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:40,213 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] [2021-10-11 02:31:40,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:40,435 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:40,436 INFO L82 PathProgramCache]: Analyzing trace with hash 25205966, now seen corresponding path program 1 times [2021-10-11 02:31:40,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:40,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401804996] [2021-10-11 02:31:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:40,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:31:40,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:40,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:40,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401804996] [2021-10-11 02:31:40,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:40,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:40,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137751825] [2021-10-11 02:31:40,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:40,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:40,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:40,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:40,707 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand 6 states. [2021-10-11 02:31:42,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:42,299 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2021-10-11 02:31:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:31:42,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-10-11 02:31:42,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:42,301 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:31:42,301 INFO L226 Difference]: Without dead ends: 94 [2021-10-11 02:31:42,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:31:42,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-11 02:31:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2021-10-11 02:31:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-10-11 02:31:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-10-11 02:31:42,319 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 23 [2021-10-11 02:31:42,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:42,320 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-10-11 02:31:42,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-10-11 02:31:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:31:42,321 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:42,321 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] [2021-10-11 02:31:42,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:42,540 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:42,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:42,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-11 02:31:42,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:42,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591609687] [2021-10-11 02:31:42,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:42,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:42,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:42,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:42,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591609687] [2021-10-11 02:31:42,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:42,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:42,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539307276] [2021-10-11 02:31:42,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:42,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:42,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:42,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:42,751 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 3 states. [2021-10-11 02:31:42,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:42,758 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-11 02:31:42,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:42,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:31:42,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:42,760 INFO L225 Difference]: With dead ends: 95 [2021-10-11 02:31:42,760 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:42,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:42,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:42,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:42,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:31:42,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:42,762 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:42,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:42,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:42,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:42,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:43,406 INFO L262 CegarLoopResult]: For program point L762(lines 762 766) no Hoare annotation was computed. [2021-10-11 02:31:43,406 INFO L262 CegarLoopResult]: For program point L729(lines 729 742) no Hoare annotation was computed. [2021-10-11 02:31:43,406 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 02:31:43,406 INFO L262 CegarLoopResult]: For program point L762-3(lines 762 766) no Hoare annotation was computed. [2021-10-11 02:31:43,406 INFO L262 CegarLoopResult]: For program point L762-6(lines 762 766) no Hoare annotation was computed. [2021-10-11 02:31:43,406 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:43,406 INFO L262 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:31:43,407 INFO L258 CegarLoopResult]: At program point L53-1(lines 1 869) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv4294967294 32)) (_ bv0 32))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:43,407 INFO L262 CegarLoopResult]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:31:43,407 INFO L258 CegarLoopResult]: At program point L53-3(lines 1 869) the Hoare annotation is: false [2021-10-11 02:31:43,407 INFO L262 CegarLoopResult]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-10-11 02:31:43,407 INFO L258 CegarLoopResult]: At program point L53-5(lines 1 869) the Hoare annotation is: false [2021-10-11 02:31:43,407 INFO L258 CegarLoopResult]: At program point L747(lines 698 748) the Hoare annotation is: false [2021-10-11 02:31:43,407 INFO L258 CegarLoopResult]: At program point L831(lines 826 834) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:31:43,407 INFO L258 CegarLoopResult]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2021-10-11 02:31:43,408 INFO L258 CegarLoopResult]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2021-10-11 02:31:43,408 INFO L262 CegarLoopResult]: For program point L700(lines 699 746) no Hoare annotation was computed. [2021-10-11 02:31:43,408 INFO L258 CegarLoopResult]: At program point L866(lines 861 869) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:43,408 INFO L262 CegarLoopResult]: For program point L701(lines 701 705) no Hoare annotation was computed. [2021-10-11 02:31:43,408 INFO L262 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:31:43,408 INFO L262 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2021-10-11 02:31:43,408 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:31:43,408 INFO L265 CegarLoopResult]: At program point L536-1(lines 536 543) the Hoare annotation is: true [2021-10-11 02:31:43,408 INFO L262 CegarLoopResult]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-10-11 02:31:43,408 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:43,409 INFO L258 CegarLoopResult]: At program point L570(lines 570 576) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:43,409 INFO L258 CegarLoopResult]: At program point L570-1(lines 570 576) the Hoare annotation is: false [2021-10-11 02:31:43,409 INFO L258 CegarLoopResult]: At program point L570-2(lines 570 576) the Hoare annotation is: false [2021-10-11 02:31:43,409 INFO L262 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2021-10-11 02:31:43,409 INFO L258 CegarLoopResult]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:43,409 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 02:31:43,409 INFO L262 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2021-10-11 02:31:43,409 INFO L262 CegarLoopResult]: For program point L737(lines 737 741) no Hoare annotation was computed. [2021-10-11 02:31:43,410 INFO L258 CegarLoopResult]: At program point L737-2(lines 563 569) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:43,410 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:31:43,410 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2021-10-11 02:31:43,410 INFO L262 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-10-11 02:31:43,410 INFO L262 CegarLoopResult]: For program point L441-2(line 441) no Hoare annotation was computed. [2021-10-11 02:31:43,410 INFO L258 CegarLoopResult]: At program point L458-2(lines 458 472) the Hoare annotation is: false [2021-10-11 02:31:43,410 INFO L258 CegarLoopResult]: At program point L640(lines 635 643) the Hoare annotation is: false [2021-10-11 02:31:43,410 INFO L258 CegarLoopResult]: At program point L640-1(lines 635 643) the Hoare annotation is: false [2021-10-11 02:31:43,410 INFO L258 CegarLoopResult]: At program point L640-2(lines 635 643) the Hoare annotation is: false [2021-10-11 02:31:43,410 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2021-10-11 02:31:43,410 INFO L258 CegarLoopResult]: At program point L509(lines 505 511) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:43,411 INFO L262 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2021-10-11 02:31:43,411 INFO L262 CegarLoopResult]: For program point L709(lines 709 715) no Hoare annotation was computed. [2021-10-11 02:31:43,411 INFO L258 CegarLoopResult]: At program point L709-1(lines 709 715) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:43,411 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:31:43,411 INFO L258 CegarLoopResult]: At program point L858(lines 1 869) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:31:43,411 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 441) no Hoare annotation was computed. [2021-10-11 02:31:43,411 INFO L262 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-11 02:31:43,411 INFO L262 CegarLoopResult]: For program point L462-1(lines 563 569) no Hoare annotation was computed. [2021-10-11 02:31:43,411 INFO L265 CegarLoopResult]: At program point L545(lines 526 548) the Hoare annotation is: true [2021-10-11 02:31:43,411 INFO L258 CegarLoopResult]: At program point L563(lines 562 581) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:31:43,412 INFO L262 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2021-10-11 02:31:43,412 INFO L258 CegarLoopResult]: At program point L563-2(lines 562 581) the Hoare annotation is: false [2021-10-11 02:31:43,412 INFO L258 CegarLoopResult]: At program point L563-3(lines 562 581) the Hoare annotation is: false [2021-10-11 02:31:43,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:43 BoogieIcfgContainer [2021-10-11 02:31:43,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:43,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:43,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:43,431 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:43,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:38" (3/4) ... [2021-10-11 02:31:43,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:43,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:31:43,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:31:43,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:31:43,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:31:43,448 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:31:43,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:43,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:43,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:31:43,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 2bv32 == waterLevel) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:31:43,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c8cc446-5d25-4c45-aa40-eb7e8902e745/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:43,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:43,508 INFO L168 Benchmark]: Toolchain (without parser) took 8565.86 ms. Allocated memory was 56.6 MB in the beginning and 92.3 MB in the end (delta: 35.7 MB). Free memory was 33.6 MB in the beginning and 43.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,508 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:43,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.74 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 50.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.06 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 47.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,509 INFO L168 Benchmark]: Boogie Preprocessor took 74.77 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 45.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,510 INFO L168 Benchmark]: RCFGBuilder took 2648.62 ms. Allocated memory is still 69.2 MB. Free memory was 45.6 MB in the beginning and 29.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,510 INFO L168 Benchmark]: TraceAbstraction took 4966.03 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 29.2 MB in the beginning and 49.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,511 INFO L168 Benchmark]: Witness Printer took 76.15 ms. Allocated memory is still 92.3 MB. Free memory was 49.2 MB in the beginning and 43.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:43,513 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.74 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.5 MB in the beginning and 50.2 MB in the end (delta: -16.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.06 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 47.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.77 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 45.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2648.62 ms. Allocated memory is still 69.2 MB. Free memory was 45.6 MB in the beginning and 29.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4966.03 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 29.2 MB in the beginning and 49.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Witness Printer took 76.15 ms. Allocated memory is still 92.3 MB. Free memory was 49.2 MB in the beginning and 43.5 MB in the end (delta: 5.7 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: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 441]: 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: 709]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 2bv32 == waterLevel) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 266 SDtfs, 217 SDslu, 286 SDs, 0 SdLazy, 76 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 217 HoareAnnotationTreeSize, 25 FomulaSimplifications, 359 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 5360 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 16 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...