./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product43.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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 b6d6d35826c479e1a93aed1cd13f45357e90f885 ............................................................................................................................................ 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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 b6d6d35826c479e1a93aed1cd13f45357e90f885 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:05,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:05,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:05,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:05,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:05,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:05,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:05,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:05,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:05,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:05,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:05,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:05,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:05,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:05,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:05,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:05,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:05,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:05,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:05,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:05,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:05,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:05,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:05,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:05,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:05,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:05,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:05,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:05,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:05,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:05,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:05,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:05,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:05,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:05,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:05,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:05,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:05,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:05,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:05,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:05,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:05,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:05,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:05,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:05,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:05,267 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:05,268 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:05,268 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:05,268 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:05,268 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:05,268 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:05,269 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:05,269 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:05,269 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:05,269 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:05,269 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:05,269 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:05,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:05,276 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:05,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:05,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:05,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:05,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:05,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:05,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:05,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:05,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:05,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:05,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:05,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:05,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:05,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:05,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:05,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:05,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:05,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:05,282 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:05,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:05,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:05,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:05,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:05,284 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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6d6d35826c479e1a93aed1cd13f45357e90f885 [2021-10-11 02:31:05,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:05,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:05,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:05,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:05,591 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:05,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2021-10-11 02:31:05,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/959591828/c66b9e7c677f406eaacdc260c0d8bd85/FLAG68168109f [2021-10-11 02:31:06,323 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:06,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2021-10-11 02:31:06,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/959591828/c66b9e7c677f406eaacdc260c0d8bd85/FLAG68168109f [2021-10-11 02:31:06,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/959591828/c66b9e7c677f406eaacdc260c0d8bd85 [2021-10-11 02:31:06,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:06,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:06,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:06,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:06,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:06,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63090d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:06, skipping insertion in model container [2021-10-11 02:31:06,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:06" (1/1) ... [2021-10-11 02:31:06,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:06,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:06,884 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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[4780,4793] [2021-10-11 02:31:06,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:07,008 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 02:31:07,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a22c69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07, skipping insertion in model container [2021-10-11 02:31:07,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:07,023 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:07,025 INFO L168 Benchmark]: Toolchain (without parser) took 430.32 ms. Allocated memory is still 115.3 MB. Free memory was 81.4 MB in the beginning and 88.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:07,027 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 77.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:07,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.46 ms. Allocated memory is still 115.3 MB. Free memory was 81.1 MB in the beginning and 88.0 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:07,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 77.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.46 ms. Allocated memory is still 115.3 MB. Free memory was 81.1 MB in the beginning and 88.0 MB in the end (delta: -6.9 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: 574]: 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 02:31:09,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:09,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:09,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:09,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:09,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:09,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:09,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:09,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:09,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:09,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:09,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:09,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:09,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:09,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:09,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:09,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:09,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:09,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:09,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:09,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:09,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:09,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:09,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:09,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:09,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:09,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:09,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:09,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:09,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:09,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:09,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:09,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:09,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:09,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:09,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:09,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:09,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:09,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:09,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:09,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:09,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:09,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:09,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:09,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:09,446 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:09,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:09,447 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:09,447 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:09,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:09,448 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:09,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:09,449 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:09,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:09,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:09,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:09,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:09,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:09,450 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:09,450 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:09,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:09,451 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:09,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:09,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:09,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:09,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:09,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:09,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:09,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:09,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:09,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:09,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:09,453 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:09,454 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:09,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:09,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:09,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:09,454 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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6d6d35826c479e1a93aed1cd13f45357e90f885 [2021-10-11 02:31:09,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:09,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:09,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:09,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:09,875 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:09,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2021-10-11 02:31:09,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/e000e78ad/b9bfe345b0eb4645ba56dbd32b3b7028/FLAG9de44d3eb [2021-10-11 02:31:10,641 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:10,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2021-10-11 02:31:10,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/e000e78ad/b9bfe345b0eb4645ba56dbd32b3b7028/FLAG9de44d3eb [2021-10-11 02:31:10,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/data/e000e78ad/b9bfe345b0eb4645ba56dbd32b3b7028 [2021-10-11 02:31:10,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:10,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:10,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:10,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:10,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:10,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:10" (1/1) ... [2021-10-11 02:31:10,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f70a375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:10, skipping insertion in model container [2021-10-11 02:31:10,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:10" (1/1) ... [2021-10-11 02:31:10,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:10,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:11,278 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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[4780,4793] [2021-10-11 02:31:11,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:11,391 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:11,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:11,441 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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[4780,4793] [2021-10-11 02:31:11,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:11,524 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:11,547 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_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[4780,4793] [2021-10-11 02:31:11,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:11,637 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:11,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11 WrapperNode [2021-10-11 02:31:11,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:11,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:11,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:11,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:11,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:11,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:11,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:11,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:11,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:11,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:11,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:11,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:11,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 02:31:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:14,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:14,375 INFO L299 CfgBuilder]: Removed 118 assume(true) statements. [2021-10-11 02:31:14,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:14 BoogieIcfgContainer [2021-10-11 02:31:14,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:14,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:14,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:14,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:14,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:10" (1/3) ... [2021-10-11 02:31:14,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74971e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:14, skipping insertion in model container [2021-10-11 02:31:14,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11" (2/3) ... [2021-10-11 02:31:14,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74971e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:14, skipping insertion in model container [2021-10-11 02:31:14,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:14" (3/3) ... [2021-10-11 02:31:14,385 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2021-10-11 02:31:14,399 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:14,402 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:14,412 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:14,436 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:14,437 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:14,437 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:14,437 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:14,437 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:14,437 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:14,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:14,438 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2021-10-11 02:31:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:31:14,459 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:14,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:14,460 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:14,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:14,466 INFO L82 PathProgramCache]: Analyzing trace with hash 929673937, now seen corresponding path program 1 times [2021-10-11 02:31:14,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:14,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043926468] [2021-10-11 02:31:14,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 02:31:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:14,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:14,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:14,841 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 02:31:14,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:14,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043926468] [2021-10-11 02:31:14,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:14,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:14,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020098294] [2021-10-11 02:31:14,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:14,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:14,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:14,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:14,864 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2021-10-11 02:31:14,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:14,889 INFO L93 Difference]: Finished difference Result 172 states and 257 transitions. [2021-10-11 02:31:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:14,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:31:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:14,901 INFO L225 Difference]: With dead ends: 172 [2021-10-11 02:31:14,901 INFO L226 Difference]: Without dead ends: 85 [2021-10-11 02:31:14,904 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 02:31:14,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-11 02:31:14,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-11 02:31:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-10-11 02:31:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-11 02:31:14,947 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 16 [2021-10-11 02:31:14,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:14,948 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-11 02:31:14,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-11 02:31:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:31:14,949 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:14,949 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 02:31:15,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:15,164 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:15,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:15,165 INFO L82 PathProgramCache]: Analyzing trace with hash -117082960, now seen corresponding path program 1 times [2021-10-11 02:31:15,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:15,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350155279] [2021-10-11 02:31:15,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 02:31:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:15,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:15,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:15,434 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 02:31:15,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:15,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350155279] [2021-10-11 02:31:15,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:15,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:15,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104119956] [2021-10-11 02:31:15,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:15,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:15,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:15,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:15,438 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2021-10-11 02:31:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:15,473 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-11 02:31:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:15,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:31:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:15,474 INFO L225 Difference]: With dead ends: 85 [2021-10-11 02:31:15,475 INFO L226 Difference]: Without dead ends: 39 [2021-10-11 02:31:15,476 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 02:31:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-11 02:31:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-11 02:31:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-10-11 02:31:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-10-11 02:31:15,482 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 17 [2021-10-11 02:31:15,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:15,483 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-10-11 02:31:15,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-10-11 02:31:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:31:15,484 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:15,484 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 02:31:15,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:15,693 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:15,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:15,694 INFO L82 PathProgramCache]: Analyzing trace with hash 337421565, now seen corresponding path program 1 times [2021-10-11 02:31:15,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:15,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214440467] [2021-10-11 02:31:15,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 02:31:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:15,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:15,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:15,965 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 02:31:15,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:15,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214440467] [2021-10-11 02:31:15,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:15,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:15,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464374843] [2021-10-11 02:31:15,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:15,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:15,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:15,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:15,968 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2021-10-11 02:31:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:15,989 INFO L93 Difference]: Finished difference Result 105 states and 153 transitions. [2021-10-11 02:31:15,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:15,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:31:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:15,991 INFO L225 Difference]: With dead ends: 105 [2021-10-11 02:31:15,991 INFO L226 Difference]: Without dead ends: 72 [2021-10-11 02:31:15,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-11 02:31:16,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2021-10-11 02:31:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2021-10-11 02:31:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2021-10-11 02:31:16,025 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 22 [2021-10-11 02:31:16,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:16,026 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2021-10-11 02:31:16,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-10-11 02:31:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:31:16,027 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:16,028 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 02:31:16,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:16,243 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:16,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:16,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1224569535, now seen corresponding path program 1 times [2021-10-11 02:31:16,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:16,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384482880] [2021-10-11 02:31:16,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 02:31:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:16,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:16,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:16,466 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 02:31:16,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:16,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384482880] [2021-10-11 02:31:16,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:16,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:16,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360166454] [2021-10-11 02:31:16,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:16,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:16,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:16,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:16,469 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand 3 states. [2021-10-11 02:31:16,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:16,548 INFO L93 Difference]: Finished difference Result 171 states and 254 transitions. [2021-10-11 02:31:16,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:16,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:31:16,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:16,550 INFO L225 Difference]: With dead ends: 171 [2021-10-11 02:31:16,553 INFO L226 Difference]: Without dead ends: 109 [2021-10-11 02:31:16,554 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 02:31:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-11 02:31:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2021-10-11 02:31:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 02:31:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2021-10-11 02:31:16,578 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 23 [2021-10-11 02:31:16,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:16,578 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2021-10-11 02:31:16,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2021-10-11 02:31:16,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:31:16,580 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:16,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:16,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:16,798 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:16,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:16,799 INFO L82 PathProgramCache]: Analyzing trace with hash -840484654, now seen corresponding path program 1 times [2021-10-11 02:31:16,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:16,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348128210] [2021-10-11 02:31:16,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/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 02:31:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:17,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:17,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:17,069 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 02:31:17,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:17,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348128210] [2021-10-11 02:31:17,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:17,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:17,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913623627] [2021-10-11 02:31:17,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:17,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:17,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:17,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:17,073 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 5 states. [2021-10-11 02:31:17,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:17,216 INFO L93 Difference]: Finished difference Result 399 states and 585 transitions. [2021-10-11 02:31:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:17,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:31:17,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:17,220 INFO L225 Difference]: With dead ends: 399 [2021-10-11 02:31:17,220 INFO L226 Difference]: Without dead ends: 298 [2021-10-11 02:31:17,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 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 02:31:17,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-10-11 02:31:17,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 194. [2021-10-11 02:31:17,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2021-10-11 02:31:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 272 transitions. [2021-10-11 02:31:17,263 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 272 transitions. Word has length 25 [2021-10-11 02:31:17,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:17,263 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 272 transitions. [2021-10-11 02:31:17,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 272 transitions. [2021-10-11 02:31:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:31:17,265 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:17,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:17,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:17,485 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:17,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:17,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1495173652, now seen corresponding path program 1 times [2021-10-11 02:31:17,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:17,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658336947] [2021-10-11 02:31:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:17,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:31:17,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:17,754 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 02:31:17,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:17,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658336947] [2021-10-11 02:31:17,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:17,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:17,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467335971] [2021-10-11 02:31:17,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:17,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:17,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:17,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:17,765 INFO L87 Difference]: Start difference. First operand 194 states and 272 transitions. Second operand 6 states. [2021-10-11 02:31:19,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:19,361 INFO L93 Difference]: Finished difference Result 568 states and 825 transitions. [2021-10-11 02:31:19,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:31:19,362 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-10-11 02:31:19,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:19,366 INFO L225 Difference]: With dead ends: 568 [2021-10-11 02:31:19,366 INFO L226 Difference]: Without dead ends: 467 [2021-10-11 02:31:19,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 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 02:31:19,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2021-10-11 02:31:19,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 374. [2021-10-11 02:31:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2021-10-11 02:31:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 523 transitions. [2021-10-11 02:31:19,426 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 523 transitions. Word has length 26 [2021-10-11 02:31:19,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:19,426 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 523 transitions. [2021-10-11 02:31:19,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 523 transitions. [2021-10-11 02:31:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-11 02:31:19,437 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:19,437 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:19,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:31:19,653 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:19,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:19,654 INFO L82 PathProgramCache]: Analyzing trace with hash -108849228, now seen corresponding path program 1 times [2021-10-11 02:31:19,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:19,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478211599] [2021-10-11 02:31:19,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:19,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:19,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:31:19,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:19,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478211599] [2021-10-11 02:31:19,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:19,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:19,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639201475] [2021-10-11 02:31:19,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:19,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:19,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:19,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:19,940 INFO L87 Difference]: Start difference. First operand 374 states and 523 transitions. Second operand 5 states. [2021-10-11 02:31:20,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:20,054 INFO L93 Difference]: Finished difference Result 1062 states and 1474 transitions. [2021-10-11 02:31:20,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:20,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-10-11 02:31:20,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:20,060 INFO L225 Difference]: With dead ends: 1062 [2021-10-11 02:31:20,060 INFO L226 Difference]: Without dead ends: 694 [2021-10-11 02:31:20,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:20,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2021-10-11 02:31:20,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 398. [2021-10-11 02:31:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2021-10-11 02:31:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 547 transitions. [2021-10-11 02:31:20,113 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 547 transitions. Word has length 47 [2021-10-11 02:31:20,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:20,113 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 547 transitions. [2021-10-11 02:31:20,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 547 transitions. [2021-10-11 02:31:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-11 02:31:20,115 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:20,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:20,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:31:20,333 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:20,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:20,333 INFO L82 PathProgramCache]: Analyzing trace with hash -618322318, now seen corresponding path program 1 times [2021-10-11 02:31:20,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:20,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012032686] [2021-10-11 02:31:20,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:20,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:31:20,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:31:20,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:20,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012032686] [2021-10-11 02:31:20,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:20,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:20,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750726907] [2021-10-11 02:31:20,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:20,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:20,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:20,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:20,589 INFO L87 Difference]: Start difference. First operand 398 states and 547 transitions. Second operand 4 states. [2021-10-11 02:31:20,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:20,672 INFO L93 Difference]: Finished difference Result 872 states and 1196 transitions. [2021-10-11 02:31:20,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:20,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-10-11 02:31:20,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:20,676 INFO L225 Difference]: With dead ends: 872 [2021-10-11 02:31:20,676 INFO L226 Difference]: Without dead ends: 480 [2021-10-11 02:31:20,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-10-11 02:31:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 349. [2021-10-11 02:31:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2021-10-11 02:31:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 473 transitions. [2021-10-11 02:31:20,716 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 473 transitions. Word has length 47 [2021-10-11 02:31:20,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:20,716 INFO L481 AbstractCegarLoop]: Abstraction has 349 states and 473 transitions. [2021-10-11 02:31:20,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 473 transitions. [2021-10-11 02:31:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-11 02:31:20,717 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:20,717 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:20,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:31:20,934 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:20,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:20,935 INFO L82 PathProgramCache]: Analyzing trace with hash -423849614, now seen corresponding path program 1 times [2021-10-11 02:31:20,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:20,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1547359815] [2021-10-11 02:31:20,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:21,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:21,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:21,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:21,377 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:21,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1547359815] [2021-10-11 02:31:21,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [764279432] [2021-10-11 02:31:21,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:21,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:21,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:21,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:21,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058144498] [2021-10-11 02:31:21,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:31:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:21,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:21,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:21,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:31:21,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:31:21,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2021-10-11 02:31:21,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417602364] [2021-10-11 02:31:21,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 02:31:21,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:21,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 02:31:21,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:31:21,988 INFO L87 Difference]: Start difference. First operand 349 states and 473 transitions. Second operand 10 states. [2021-10-11 02:31:24,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:24,170 INFO L93 Difference]: Finished difference Result 1526 states and 2114 transitions. [2021-10-11 02:31:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-11 02:31:24,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2021-10-11 02:31:24,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:24,177 INFO L225 Difference]: With dead ends: 1526 [2021-10-11 02:31:24,178 INFO L226 Difference]: Without dead ends: 1229 [2021-10-11 02:31:24,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 272 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2021-10-11 02:31:24,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2021-10-11 02:31:24,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 450. [2021-10-11 02:31:24,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2021-10-11 02:31:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 626 transitions. [2021-10-11 02:31:24,238 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 626 transitions. Word has length 48 [2021-10-11 02:31:24,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:24,238 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 626 transitions. [2021-10-11 02:31:24,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 02:31:24,239 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 626 transitions. [2021-10-11 02:31:24,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-11 02:31:24,240 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:24,240 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:24,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:24,854 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:24,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:24,855 INFO L82 PathProgramCache]: Analyzing trace with hash -568509983, now seen corresponding path program 2 times [2021-10-11 02:31:24,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:24,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380937677] [2021-10-11 02:31:24,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:31:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:26,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:27,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:27,820 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:31:27,822 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:31:28,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2021-10-11 02:31:28,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:28 BoogieIcfgContainer [2021-10-11 02:31:28,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:28,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:28,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:28,221 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:28,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:14" (3/4) ... [2021-10-11 02:31:28,225 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:31:28,339 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4da5c0f-25ef-42f7-85d6-936b15bbeaa7/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:28,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:28,341 INFO L168 Benchmark]: Toolchain (without parser) took 17406.74 ms. Allocated memory was 65.0 MB in the beginning and 119.5 MB in the end (delta: 54.5 MB). Free memory was 43.6 MB in the beginning and 33.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 63.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:28,342 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:28,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.43 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 30.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:28,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 65.0 MB. Free memory was 30.2 MB in the beginning and 46.8 MB in the end (delta: -16.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:28,343 INFO L168 Benchmark]: Boogie Preprocessor took 89.14 ms. Allocated memory is still 65.0 MB. Free memory was 46.8 MB in the beginning and 44.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:28,344 INFO L168 Benchmark]: RCFGBuilder took 2531.98 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 50.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:28,344 INFO L168 Benchmark]: TraceAbstraction took 13840.90 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 50.4 MB in the beginning and 59.0 MB in the end (delta: -8.6 MB). Peak memory consumption was 59.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:28,344 INFO L168 Benchmark]: Witness Printer took 118.86 ms. Allocated memory is still 119.5 MB. Free memory was 59.0 MB in the beginning and 33.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:28,347 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 65.0 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.43 ms. Allocated memory is still 65.0 MB. Free memory was 43.4 MB in the beginning and 30.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.39 ms. Allocated memory is still 65.0 MB. Free memory was 30.2 MB in the beginning and 46.8 MB in the end (delta: -16.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.14 ms. Allocated memory is still 65.0 MB. Free memory was 46.8 MB in the beginning and 44.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2531.98 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 50.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13840.90 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 50.4 MB in the beginning and 59.0 MB in the end (delta: -8.6 MB). Peak memory consumption was 59.1 MB. Max. memory is 16.1 GB. * Witness Printer took 118.86 ms. Allocated memory is still 119.5 MB. Free memory was 59.0 MB in the beginning and 33.9 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 312]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L417] int waterLevel = 1; [L418] int methaneLevelCritical = 0; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L393] int retValue_acc ; [L394] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L537] int retValue_acc ; [L540] retValue_acc = 1 [L541] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L400] tmp = valid_product() [L402] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L59] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] tmp = __VERIFIER_nondet_int() [L67] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L435] COND TRUE waterLevel < 2 [L436] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L137] COND TRUE \read(systemActive) [L159] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] COND TRUE ! pumpRunning [L274] int retValue_acc ; [L275] int tmp ; [L276] int tmp___0 ; [L497] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L500] COND FALSE !(waterLevel < 2) [L504] retValue_acc = 0 [L505] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L280] tmp = isHighWaterSensorDry() [L282] COND FALSE !(\read(tmp)) [L285] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] retValue_acc = tmp___0 [L288] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] tmp = isHighWaterLevel() [L166] COND TRUE \read(tmp) [L193] int tmp ; [L218] int retValue_acc ; [L456] int retValue_acc ; [L459] retValue_acc = methaneLevelCritical [L460] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] retValue_acc = isMethaneLevelCritical() [L224] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp = isMethaneAlarm() [L199] COND FALSE !(\read(tmp)) [L187] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L913] int tmp ; [L914] int tmp___0 ; [L488] int retValue_acc ; [L491] retValue_acc = waterLevel [L492] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L918] tmp = getWaterLevel() [L920] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L57] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L59] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L65] tmp = __VERIFIER_nondet_int() [L67] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L130] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L423] COND TRUE waterLevel > 0 [L424] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L137] COND TRUE \read(systemActive) [L159] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L913] int tmp ; [L914] int tmp___0 ; [L488] int retValue_acc ; [L491] retValue_acc = waterLevel [L492] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L918] tmp = getWaterLevel() [L920] COND FALSE !(tmp == 0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L57] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L59] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L65] tmp = __VERIFIER_nondet_int() [L67] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L130] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L423] COND TRUE waterLevel > 0 [L424] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L137] COND TRUE \read(systemActive) [L159] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L162] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L913] int tmp ; [L914] int tmp___0 ; [L488] int retValue_acc ; [L491] retValue_acc = waterLevel [L492] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L918] tmp = getWaterLevel() [L920] COND TRUE tmp == 0 [L229] int retValue_acc ; [L232] retValue_acc = pumpRunning [L233] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L922] tmp___0 = isPumpRunning() [L924] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L312] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 824 SDtfs, 1448 SDslu, 1462 SDs, 0 SdLazy, 274 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 475 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=450occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1409 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 430 NumberOfCodeBlocks, 430 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 497 ConstructedInterpolants, 0 QuantifiedInterpolants, 77499 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2337 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 58/112 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 incorrect! Received shutdown request...