./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 43d840a4952877093d97c8e90564eb1be31dea0c ............................................................................................................................................ 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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 43d840a4952877093d97c8e90564eb1be31dea0c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:52,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:52,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:52,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:52,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:52,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:52,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:52,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:52,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:52,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:52,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:52,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:52,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:52,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:52,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:52,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:52,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:52,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:52,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:52,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:52,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:52,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:52,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:52,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:52,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:52,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:52,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:52,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:52,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:52,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:52,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:52,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:52,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:52,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:52,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:52,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:52,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:52,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:52,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:52,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:52,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:52,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:52,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:52,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:52,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:52,318 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:52,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:52,318 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:52,318 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:52,319 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:52,326 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:52,326 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:52,327 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:52,328 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:52,328 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:52,328 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:52,328 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:52,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:52,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:52,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:52,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:52,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:52,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:52,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:52,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:52,331 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:52,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:52,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:52,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:52,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:52,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:52,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:52,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:52,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:52,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:52,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:52,334 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:52,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:52,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:52,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:52,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:52,335 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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2021-10-11 02:25:52,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:52,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:52,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:52,708 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:52,709 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:52,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-10-11 02:25:52,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/fabe0ded6/79970427dc0942c19c4530df9ae7e436/FLAGb4b60cefe [2021-10-11 02:25:53,537 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:53,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-10-11 02:25:53,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/fabe0ded6/79970427dc0942c19c4530df9ae7e436/FLAGb4b60cefe [2021-10-11 02:25:53,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/fabe0ded6/79970427dc0942c19c4530df9ae7e436 [2021-10-11 02:25:53,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:53,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:53,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:53,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:53,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:53,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:53" (1/1) ... [2021-10-11 02:25:53,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adc3458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:53, skipping insertion in model container [2021-10-11 02:25:53,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:53" (1/1) ... [2021-10-11 02:25:53,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:53,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:54,131 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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6563,6576] [2021-10-11 02:25:54,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:54,216 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 02:25:54,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c095b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54, skipping insertion in model container [2021-10-11 02:25:54,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:54,218 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:54,220 INFO L168 Benchmark]: Toolchain (without parser) took 421.48 ms. Allocated memory is still 90.2 MB. Free memory was 69.6 MB in the beginning and 61.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:54,221 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 66.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:54,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.64 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 61.1 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:54,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 66.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 417.64 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 61.1 MB in the end (delta: 8.3 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: 561]: 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 02:25:56,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:56,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:56,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:56,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:56,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:56,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:56,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:56,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:56,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:56,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:56,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:56,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:56,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:56,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:56,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:56,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:56,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:56,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:56,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:56,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:56,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:56,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:56,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:56,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:56,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:56,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:56,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:56,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:56,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:56,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:56,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:56,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:56,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:56,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:56,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:56,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:56,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:56,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:56,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:56,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:56,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:56,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:56,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:56,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:56,878 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:56,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:56,878 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:56,879 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:56,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:56,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:56,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:56,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:56,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:56,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:56,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:56,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:56,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:56,883 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:56,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:56,883 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:56,883 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:56,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:56,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:56,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:56,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:56,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:56,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:56,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:56,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:56,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:56,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:56,887 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:56,887 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:56,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:56,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:56,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:56,888 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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43d840a4952877093d97c8e90564eb1be31dea0c [2021-10-11 02:25:57,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:57,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:57,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:57,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:57,348 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:57,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-10-11 02:25:57,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/7f08d7385/d177a337f5d341b492d0d4686a0478fb/FLAGb89ac3622 [2021-10-11 02:25:58,271 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:58,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-10-11 02:25:58,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/7f08d7385/d177a337f5d341b492d0d4686a0478fb/FLAGb89ac3622 [2021-10-11 02:25:58,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/data/7f08d7385/d177a337f5d341b492d0d4686a0478fb [2021-10-11 02:25:58,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:58,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:58,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:58,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:58,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:58,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:58" (1/1) ... [2021-10-11 02:25:58,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a452c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:58, skipping insertion in model container [2021-10-11 02:25:58,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:58" (1/1) ... [2021-10-11 02:25:58,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:58,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:58,794 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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6563,6576] [2021-10-11 02:25:59,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:59,020 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:59,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:59,055 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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6563,6576] [2021-10-11 02:25:59,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:59,147 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:59,192 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_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6563,6576] [2021-10-11 02:25:59,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:59,305 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:59,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59 WrapperNode [2021-10-11 02:25:59,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:59,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:59,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:59,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:59,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:59,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:59,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:59,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:59,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... [2021-10-11 02:25:59,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:59,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:59,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:59,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:59,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:25:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:02,976 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:02,977 INFO L299 CfgBuilder]: Removed 280 assume(true) statements. [2021-10-11 02:26:02,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:02 BoogieIcfgContainer [2021-10-11 02:26:02,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:02,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:02,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:02,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:02,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:58" (1/3) ... [2021-10-11 02:26:02,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b3dfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:02, skipping insertion in model container [2021-10-11 02:26:02,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:59" (2/3) ... [2021-10-11 02:26:02,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b3dfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:02, skipping insertion in model container [2021-10-11 02:26:02,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:02" (3/3) ... [2021-10-11 02:26:02,988 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2021-10-11 02:26:03,017 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:03,022 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:03,035 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:03,067 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:03,068 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:03,068 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:03,068 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:03,068 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:03,068 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:03,069 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:03,069 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2021-10-11 02:26:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:26:03,099 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:03,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:03,100 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:03,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1084846627, now seen corresponding path program 1 times [2021-10-11 02:26:03,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:03,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496376441] [2021-10-11 02:26:03,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:03,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:03,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:03,516 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 02:26:03,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:03,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496376441] [2021-10-11 02:26:03,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:03,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:03,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194970334] [2021-10-11 02:26:03,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:03,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:03,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:03,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:03,543 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2021-10-11 02:26:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:03,596 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2021-10-11 02:26:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:03,598 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:26:03,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:03,612 INFO L225 Difference]: With dead ends: 376 [2021-10-11 02:26:03,612 INFO L226 Difference]: Without dead ends: 187 [2021-10-11 02:26:03,616 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 02:26:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-11 02:26:03,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-10-11 02:26:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2021-10-11 02:26:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2021-10-11 02:26:03,713 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2021-10-11 02:26:03,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:03,714 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2021-10-11 02:26:03,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2021-10-11 02:26:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:26:03,719 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:03,719 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 02:26:03,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:03,933 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:03,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:03,934 INFO L82 PathProgramCache]: Analyzing trace with hash 38089730, now seen corresponding path program 1 times [2021-10-11 02:26:03,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:03,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079536701] [2021-10-11 02:26:03,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:04,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:04,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:04,158 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 02:26:04,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:04,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079536701] [2021-10-11 02:26:04,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:04,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:04,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64663663] [2021-10-11 02:26:04,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:04,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:04,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:04,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:04,162 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2021-10-11 02:26:04,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:04,177 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2021-10-11 02:26:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:04,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:26:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:04,180 INFO L225 Difference]: With dead ends: 187 [2021-10-11 02:26:04,180 INFO L226 Difference]: Without dead ends: 73 [2021-10-11 02:26:04,181 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 02:26:04,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-11 02:26:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-11 02:26:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:26:04,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-11 02:26:04,191 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2021-10-11 02:26:04,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:04,191 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-11 02:26:04,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-11 02:26:04,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:26:04,193 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:04,193 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 02:26:04,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:04,409 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:04,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2021-10-11 02:26:04,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:04,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218964223] [2021-10-11 02:26:04,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:04,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:04,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:04,718 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 02:26:04,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:04,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218964223] [2021-10-11 02:26:04,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:04,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:04,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001000180] [2021-10-11 02:26:04,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:04,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:04,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:04,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:04,736 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2021-10-11 02:26:04,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:04,796 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2021-10-11 02:26:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:04,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:26:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:04,803 INFO L225 Difference]: With dead ends: 207 [2021-10-11 02:26:04,803 INFO L226 Difference]: Without dead ends: 140 [2021-10-11 02:26:04,805 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 02:26:04,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-11 02:26:04,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2021-10-11 02:26:04,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-10-11 02:26:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2021-10-11 02:26:04,842 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2021-10-11 02:26:04,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:04,842 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2021-10-11 02:26:04,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2021-10-11 02:26:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:26:04,846 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:04,847 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 02:26:05,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:05,066 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:05,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:05,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2021-10-11 02:26:05,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:05,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209312145] [2021-10-11 02:26:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:05,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:05,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:05,318 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 02:26:05,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:05,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209312145] [2021-10-11 02:26:05,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:05,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:05,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414322755] [2021-10-11 02:26:05,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:05,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:05,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:05,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:05,322 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand 3 states. [2021-10-11 02:26:05,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:05,426 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2021-10-11 02:26:05,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:05,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 02:26:05,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:05,429 INFO L225 Difference]: With dead ends: 283 [2021-10-11 02:26:05,429 INFO L226 Difference]: Without dead ends: 153 [2021-10-11 02:26:05,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 02:26:05,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-11 02:26:05,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2021-10-11 02:26:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2021-10-11 02:26:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2021-10-11 02:26:05,446 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2021-10-11 02:26:05,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:05,447 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2021-10-11 02:26:05,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2021-10-11 02:26:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:26:05,448 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:05,448 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 02:26:05,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:05,669 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:05,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:05,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2021-10-11 02:26:05,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:05,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42888597] [2021-10-11 02:26:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:05,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:05,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:05,908 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 02:26:05,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:05,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42888597] [2021-10-11 02:26:05,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:05,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:05,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633374662] [2021-10-11 02:26:05,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:05,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:05,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:05,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:05,911 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand 5 states. [2021-10-11 02:26:06,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:06,155 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2021-10-11 02:26:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:06,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:26:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:06,160 INFO L225 Difference]: With dead ends: 527 [2021-10-11 02:26:06,160 INFO L226 Difference]: Without dead ends: 382 [2021-10-11 02:26:06,162 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 02:26:06,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-11 02:26:06,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2021-10-11 02:26:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2021-10-11 02:26:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2021-10-11 02:26:06,215 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2021-10-11 02:26:06,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:06,216 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2021-10-11 02:26:06,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2021-10-11 02:26:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:26:06,221 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:06,221 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 02:26:06,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:06,445 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:06,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:06,445 INFO L82 PathProgramCache]: Analyzing trace with hash 75584845, now seen corresponding path program 1 times [2021-10-11 02:26:06,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:06,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057470320] [2021-10-11 02:26:06,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:06,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:26:06,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:06,763 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 02:26:06,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:06,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057470320] [2021-10-11 02:26:06,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:06,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:06,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842677011] [2021-10-11 02:26:06,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:26:06,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:06,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:26:06,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:26:06,770 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand 6 states. [2021-10-11 02:26:08,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:08,703 INFO L93 Difference]: Finished difference Result 738 states and 1069 transitions. [2021-10-11 02:26:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:26:08,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-10-11 02:26:08,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:08,708 INFO L225 Difference]: With dead ends: 738 [2021-10-11 02:26:08,709 INFO L226 Difference]: Without dead ends: 593 [2021-10-11 02:26:08,710 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 02:26:08,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-11 02:26:08,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 458. [2021-10-11 02:26:08,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2021-10-11 02:26:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 639 transitions. [2021-10-11 02:26:08,762 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 639 transitions. Word has length 26 [2021-10-11 02:26:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:08,762 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 639 transitions. [2021-10-11 02:26:08,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:26:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 639 transitions. [2021-10-11 02:26:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-11 02:26:08,765 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:08,766 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2021-10-11 02:26:08,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:26:08,989 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:08,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:08,990 INFO L82 PathProgramCache]: Analyzing trace with hash 523174438, now seen corresponding path program 1 times [2021-10-11 02:26:08,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:08,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518523385] [2021-10-11 02:26:08,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:09,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:09,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:09,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:09,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518523385] [2021-10-11 02:26:09,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:09,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:09,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852803086] [2021-10-11 02:26:09,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:09,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:09,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:09,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:09,268 INFO L87 Difference]: Start difference. First operand 458 states and 639 transitions. Second operand 3 states. [2021-10-11 02:26:09,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:09,346 INFO L93 Difference]: Finished difference Result 768 states and 1072 transitions. [2021-10-11 02:26:09,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:09,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-10-11 02:26:09,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:09,352 INFO L225 Difference]: With dead ends: 768 [2021-10-11 02:26:09,352 INFO L226 Difference]: Without dead ends: 535 [2021-10-11 02:26:09,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 02:26:09,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2021-10-11 02:26:09,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 306. [2021-10-11 02:26:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2021-10-11 02:26:09,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 424 transitions. [2021-10-11 02:26:09,391 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 424 transitions. Word has length 48 [2021-10-11 02:26:09,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:09,392 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 424 transitions. [2021-10-11 02:26:09,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:09,392 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 424 transitions. [2021-10-11 02:26:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-11 02:26:09,395 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:09,397 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, 1, 1] [2021-10-11 02:26:09,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:26:09,613 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:09,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:09,613 INFO L82 PathProgramCache]: Analyzing trace with hash -731682278, now seen corresponding path program 1 times [2021-10-11 02:26:09,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:09,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091792992] [2021-10-11 02:26:09,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:09,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:09,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:09,892 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 02:26:09,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:09,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091792992] [2021-10-11 02:26:09,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:09,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:09,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848757322] [2021-10-11 02:26:09,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:09,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:09,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:09,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:09,895 INFO L87 Difference]: Start difference. First operand 306 states and 424 transitions. Second operand 5 states. [2021-10-11 02:26:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:10,057 INFO L93 Difference]: Finished difference Result 927 states and 1276 transitions. [2021-10-11 02:26:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:10,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-10-11 02:26:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:10,062 INFO L225 Difference]: With dead ends: 927 [2021-10-11 02:26:10,062 INFO L226 Difference]: Without dead ends: 627 [2021-10-11 02:26:10,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 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 02:26:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2021-10-11 02:26:10,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 330. [2021-10-11 02:26:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2021-10-11 02:26:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 448 transitions. [2021-10-11 02:26:10,107 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 448 transitions. Word has length 49 [2021-10-11 02:26:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:10,108 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 448 transitions. [2021-10-11 02:26:10,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 448 transitions. [2021-10-11 02:26:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-11 02:26:10,109 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:10,109 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, 1, 1] [2021-10-11 02:26:10,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:26:10,328 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:10,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:10,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1241155368, now seen corresponding path program 1 times [2021-10-11 02:26:10,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:10,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71760119] [2021-10-11 02:26:10,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/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 02:26:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:10,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:26:10,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:10,607 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 02:26:10,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:10,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71760119] [2021-10-11 02:26:10,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:10,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:10,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587747612] [2021-10-11 02:26:10,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:26:10,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:10,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:26:10,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:26:10,610 INFO L87 Difference]: Start difference. First operand 330 states and 448 transitions. Second operand 4 states. [2021-10-11 02:26:10,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:10,751 INFO L93 Difference]: Finished difference Result 787 states and 1067 transitions. [2021-10-11 02:26:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:26:10,752 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2021-10-11 02:26:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:10,755 INFO L225 Difference]: With dead ends: 787 [2021-10-11 02:26:10,755 INFO L226 Difference]: Without dead ends: 463 [2021-10-11 02:26:10,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 02:26:10,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-10-11 02:26:10,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 309. [2021-10-11 02:26:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2021-10-11 02:26:10,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 412 transitions. [2021-10-11 02:26:10,793 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 412 transitions. Word has length 49 [2021-10-11 02:26:10,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:10,795 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 412 transitions. [2021-10-11 02:26:10,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:26:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 412 transitions. [2021-10-11 02:26:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 02:26:10,796 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:10,796 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, 1, 1] [2021-10-11 02:26:11,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:26:11,009 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:11,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:11,010 INFO L82 PathProgramCache]: Analyzing trace with hash 711392088, now seen corresponding path program 1 times [2021-10-11 02:26:11,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:11,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523677139] [2021-10-11 02:26:11,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:11,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:11,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:26:11,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:11,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523677139] [2021-10-11 02:26:11,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:11,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:11,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176725613] [2021-10-11 02:26:11,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:26:11,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:11,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:26:11,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:26:11,313 INFO L87 Difference]: Start difference. First operand 309 states and 412 transitions. Second operand 6 states. [2021-10-11 02:26:11,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:11,632 INFO L93 Difference]: Finished difference Result 1747 states and 2388 transitions. [2021-10-11 02:26:11,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:26:11,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2021-10-11 02:26:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:11,641 INFO L225 Difference]: With dead ends: 1747 [2021-10-11 02:26:11,642 INFO L226 Difference]: Without dead ends: 1444 [2021-10-11 02:26:11,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:26:11,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2021-10-11 02:26:11,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 610. [2021-10-11 02:26:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2021-10-11 02:26:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 804 transitions. [2021-10-11 02:26:11,735 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 804 transitions. Word has length 50 [2021-10-11 02:26:11,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:11,736 INFO L481 AbstractCegarLoop]: Abstraction has 610 states and 804 transitions. [2021-10-11 02:26:11,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:26:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 804 transitions. [2021-10-11 02:26:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:26:11,737 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:11,737 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-10-11 02:26:11,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:26:11,952 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:11,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:11,953 INFO L82 PathProgramCache]: Analyzing trace with hash -372071984, now seen corresponding path program 1 times [2021-10-11 02:26:11,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:11,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88313881] [2021-10-11 02:26:11,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:12,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:12,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:12,250 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 02:26:12,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:12,371 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 02:26:12,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88313881] [2021-10-11 02:26:12,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1419200582] [2021-10-11 02:26:12,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:12,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:12,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:26:12,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:12,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:26:12,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:26:12,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874958138] [2021-10-11 02:26:12,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:12,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:12,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:12,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:26:12,718 INFO L87 Difference]: Start difference. First operand 610 states and 804 transitions. Second operand 5 states. [2021-10-11 02:26:13,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:13,210 INFO L93 Difference]: Finished difference Result 1648 states and 2165 transitions. [2021-10-11 02:26:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:26:13,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 02:26:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:13,222 INFO L225 Difference]: With dead ends: 1648 [2021-10-11 02:26:13,222 INFO L226 Difference]: Without dead ends: 1646 [2021-10-11 02:26:13,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:26:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2021-10-11 02:26:13,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 610. [2021-10-11 02:26:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2021-10-11 02:26:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 796 transitions. [2021-10-11 02:26:13,319 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 796 transitions. Word has length 51 [2021-10-11 02:26:13,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:13,320 INFO L481 AbstractCegarLoop]: Abstraction has 610 states and 796 transitions. [2021-10-11 02:26:13,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 796 transitions. [2021-10-11 02:26:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-11 02:26:13,321 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:13,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:13,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:26:13,732 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:13,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:13,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1597254592, now seen corresponding path program 1 times [2021-10-11 02:26:13,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:13,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828772287] [2021-10-11 02:26:13,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:13,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:13,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:26:14,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:14,054 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:26:14,055 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:26:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:26:14,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828772287] [2021-10-11 02:26:14,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [247620647] [2021-10-11 02:26:14,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:14,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:26:14,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:14,487 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 02:26:14,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:14,609 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 02:26:14,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198038119] [2021-10-11 02:26:14,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:26:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:14,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:26:14,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:14,833 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 02:26:14,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:26:14,906 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 02:26:14,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:26:14,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-11 02:26:14,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451402628] [2021-10-11 02:26:14,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-10-11 02:26:14,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:14,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-11 02:26:14,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:26:14,910 INFO L87 Difference]: Start difference. First operand 610 states and 796 transitions. Second operand 12 states. [2021-10-11 02:26:21,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:21,380 INFO L93 Difference]: Finished difference Result 5757 states and 7633 transitions. [2021-10-11 02:26:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-11 02:26:21,380 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2021-10-11 02:26:21,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:21,427 INFO L225 Difference]: With dead ends: 5757 [2021-10-11 02:26:21,427 INFO L226 Difference]: Without dead ends: 5235 [2021-10-11 02:26:21,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2042 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-11 02:26:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2021-10-11 02:26:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 794. [2021-10-11 02:26:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2021-10-11 02:26:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1052 transitions. [2021-10-11 02:26:21,592 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1052 transitions. Word has length 57 [2021-10-11 02:26:21,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:21,592 INFO L481 AbstractCegarLoop]: Abstraction has 794 states and 1052 transitions. [2021-10-11 02:26:21,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-10-11 02:26:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1052 transitions. [2021-10-11 02:26:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-11 02:26:21,594 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:21,594 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:22,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:22,221 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:22,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:22,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1169832812, now seen corresponding path program 1 times [2021-10-11 02:26:22,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:22,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918096237] [2021-10-11 02:26:22,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:22,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:22,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:26:22,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:22,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1918096237] [2021-10-11 02:26:22,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:22,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:22,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943972447] [2021-10-11 02:26:22,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:22,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:22,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:22,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:22,510 INFO L87 Difference]: Start difference. First operand 794 states and 1052 transitions. Second operand 5 states. [2021-10-11 02:26:22,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:22,654 INFO L93 Difference]: Finished difference Result 1404 states and 1826 transitions. [2021-10-11 02:26:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:22,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2021-10-11 02:26:22,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:22,655 INFO L225 Difference]: With dead ends: 1404 [2021-10-11 02:26:22,655 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:22,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 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 02:26:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:22,657 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-11 02:26:22,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:22,658 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:22,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:22,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:22,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:22,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2021-10-11 02:26:22,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:23,283 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 124 [2021-10-11 02:26:24,179 WARN L197 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 177 [2021-10-11 02:26:24,809 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 143 [2021-10-11 02:26:25,331 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 211 [2021-10-11 02:26:25,547 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 149 [2021-10-11 02:26:26,012 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 156 [2021-10-11 02:26:26,219 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 142 [2021-10-11 02:26:26,575 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 212 [2021-10-11 02:26:26,781 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 156 [2021-10-11 02:26:26,909 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 132 [2021-10-11 02:26:27,625 WARN L197 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 22 [2021-10-11 02:26:29,177 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 170 DAG size of output: 19 [2021-10-11 02:26:30,381 WARN L197 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2021-10-11 02:26:32,447 WARN L197 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 206 DAG size of output: 36 [2021-10-11 02:26:33,000 WARN L197 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2021-10-11 02:26:33,127 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2021-10-11 02:26:34,270 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 152 DAG size of output: 26 [2021-10-11 02:26:35,160 WARN L197 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 29 [2021-10-11 02:26:37,125 WARN L197 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 209 DAG size of output: 40 [2021-10-11 02:26:38,019 WARN L197 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2021-10-11 02:26:38,631 WARN L197 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 16 [2021-10-11 02:26:38,727 INFO L262 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,727 INFO L262 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,727 INFO L262 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,727 INFO L262 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,727 INFO L262 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,727 INFO L262 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L258 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: false [2021-10-11 02:26:38,728 INFO L258 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2021-10-11 02:26:38,728 INFO L258 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,728 INFO L258 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and .cse0 .cse2 .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2021-10-11 02:26:38,728 INFO L262 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,729 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 02:26:38,729 INFO L258 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2021-10-11 02:26:38,729 INFO L262 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,729 INFO L258 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2021-10-11 02:26:38,729 INFO L262 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,729 INFO L258 CegarLoopResult]: At program point L997(lines 992 1000) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:26:38,729 INFO L262 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,729 INFO L258 CegarLoopResult]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2021-10-11 02:26:38,730 INFO L262 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,730 INFO L258 CegarLoopResult]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2021-10-11 02:26:38,730 INFO L258 CegarLoopResult]: At program point L997-3(lines 992 1000) the Hoare annotation is: false [2021-10-11 02:26:38,730 INFO L262 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,730 INFO L258 CegarLoopResult]: At program point L997-4(lines 992 1000) the Hoare annotation is: false [2021-10-11 02:26:38,730 INFO L262 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,730 INFO L258 CegarLoopResult]: At program point L997-5(lines 992 1000) the Hoare annotation is: false [2021-10-11 02:26:38,730 INFO L262 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-10-11 02:26:38,731 INFO L262 CegarLoopResult]: For program point L372(lines 372 385) no Hoare annotation was computed. [2021-10-11 02:26:38,731 INFO L258 CegarLoopResult]: At program point L372-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967294 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2 .cse4 .cse5))) [2021-10-11 02:26:38,731 INFO L262 CegarLoopResult]: For program point L372-2(lines 372 385) no Hoare annotation was computed. [2021-10-11 02:26:38,731 INFO L258 CegarLoopResult]: At program point L372-3(lines 1 1000) the Hoare annotation is: false [2021-10-11 02:26:38,731 INFO L262 CegarLoopResult]: For program point L372-4(lines 372 385) no Hoare annotation was computed. [2021-10-11 02:26:38,731 INFO L258 CegarLoopResult]: At program point L372-5(lines 1 1000) the Hoare annotation is: false [2021-10-11 02:26:38,732 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2021-10-11 02:26:38,732 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 02:26:38,732 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))))) (or (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse3 .cse2 .cse4) (and .cse0 .cse1 .cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse5 .cse0 .cse2 .cse4 .cse6) (and .cse5 .cse0 .cse3 .cse4 .cse6))) [2021-10-11 02:26:38,732 INFO L258 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:38,733 INFO L258 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2021-10-11 02:26:38,733 INFO L258 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-10-11 02:26:38,733 INFO L258 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-10-11 02:26:38,733 INFO L258 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-10-11 02:26:38,733 INFO L258 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-10-11 02:26:38,733 INFO L262 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2021-10-11 02:26:38,733 INFO L262 CegarLoopResult]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2021-10-11 02:26:38,733 INFO L262 CegarLoopResult]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2021-10-11 02:26:38,734 INFO L262 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-10-11 02:26:38,734 INFO L262 CegarLoopResult]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2021-10-11 02:26:38,734 INFO L262 CegarLoopResult]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2021-10-11 02:26:38,734 INFO L258 CegarLoopResult]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-11 02:26:38,734 INFO L258 CegarLoopResult]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2021-10-11 02:26:38,734 INFO L258 CegarLoopResult]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2021-10-11 02:26:38,734 INFO L262 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2021-10-11 02:26:38,735 INFO L262 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2021-10-11 02:26:38,735 INFO L262 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2021-10-11 02:26:38,735 INFO L258 CegarLoopResult]: At program point L942(lines 937 945) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:26:38,735 INFO L258 CegarLoopResult]: At program point L942-1(lines 937 945) the Hoare annotation is: false [2021-10-11 02:26:38,735 INFO L258 CegarLoopResult]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2021-10-11 02:26:38,735 INFO L258 CegarLoopResult]: At program point L415(lines 1 1000) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:38,735 INFO L258 CegarLoopResult]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2021-10-11 02:26:38,736 INFO L262 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-11 02:26:38,736 INFO L262 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-10-11 02:26:38,736 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:38,736 INFO L258 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:26:38,736 INFO L262 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,736 INFO L262 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,736 INFO L262 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,736 INFO L262 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,737 INFO L262 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L452-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L519(lines 519 526) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L265 CegarLoopResult]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:26:38,738 INFO L262 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-6(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-7(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-8(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-9(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-10(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L982-11(lines 982 988) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L262 CegarLoopResult]: For program point L917(lines 917 921) no Hoare annotation was computed. [2021-10-11 02:26:38,739 INFO L258 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))))) [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2021-10-11 02:26:38,740 INFO L258 CegarLoopResult]: At program point L423(lines 418 426) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:38,740 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L258 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse2 .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2021-10-11 02:26:38,741 INFO L258 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:26:38,741 INFO L258 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2021-10-11 02:26:38,741 INFO L262 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L258 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2021-10-11 02:26:38,741 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L262 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L262 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L262 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2021-10-11 02:26:38,741 INFO L258 CegarLoopResult]: At program point L987(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-1(lines 978 991) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-3(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-6(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-7(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-8(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-9(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-10(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,742 INFO L258 CegarLoopResult]: At program point L987-11(lines 978 991) the Hoare annotation is: false [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L258 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse2 .cse1))) [2021-10-11 02:26:38,743 INFO L262 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 02:26:38,743 INFO L258 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2021-10-11 02:26:38,743 INFO L258 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L265 CegarLoopResult]: At program point L528(lines 509 531) the Hoare annotation is: true [2021-10-11 02:26:38,744 INFO L258 CegarLoopResult]: At program point L496(lines 492 498) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse3 .cse0 .cse2 .cse4 .cse5) (and .cse3 .cse0 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse7 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (and .cse0 .cse6 .cse2 .cse7 .cse4))) [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,744 INFO L262 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2021-10-11 02:26:38,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:38 BoogieIcfgContainer [2021-10-11 02:26:38,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:38,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:38,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:38,786 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:38,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:02" (3/4) ... [2021-10-11 02:26:38,789 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:38,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:26:38,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:26:38,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:26:38,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:26:38,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:26:38,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:38,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:38,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:26:38,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:26:38,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) [2021-10-11 02:26:38,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:26:38,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:26:38,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:26:38,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:26:38,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:26:38,855 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:26:38,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2021-10-11 02:26:38,858 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:26:38,858 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:26:38,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:26:38,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) [2021-10-11 02:26:38,936 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfdbeaf-f75c-413d-ac4c-730c41e92cd0/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:38,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:38,937 INFO L168 Benchmark]: Toolchain (without parser) took 40434.82 ms. Allocated memory was 67.1 MB in the beginning and 343.9 MB in the end (delta: 276.8 MB). Free memory was 47.9 MB in the beginning and 216.7 MB in the end (delta: -168.8 MB). Peak memory consumption was 107.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:38,938 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 48.4 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:38,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.29 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 32.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:38,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.15 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 32.3 MB in the beginning and 69.2 MB in the end (delta: -36.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:38,939 INFO L168 Benchmark]: Boogie Preprocessor took 124.93 ms. Allocated memory is still 88.1 MB. Free memory was 69.2 MB in the beginning and 65.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:38,939 INFO L168 Benchmark]: RCFGBuilder took 3375.58 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 36.3 MB in the end (delta: 29.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:38,940 INFO L168 Benchmark]: TraceAbstraction took 35804.03 ms. Allocated memory was 88.1 MB in the beginning and 343.9 MB in the end (delta: 255.9 MB). Free memory was 35.7 MB in the beginning and 231.4 MB in the end (delta: -195.6 MB). Peak memory consumption was 186.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:38,940 INFO L168 Benchmark]: Witness Printer took 151.27 ms. Allocated memory is still 343.9 MB. Free memory was 231.4 MB in the beginning and 216.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:38,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 48.4 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 802.29 ms. Allocated memory is still 67.1 MB. Free memory was 47.6 MB in the beginning and 32.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.15 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 32.3 MB in the beginning and 69.2 MB in the end (delta: -36.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.93 ms. Allocated memory is still 88.1 MB. Free memory was 69.2 MB in the beginning and 65.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3375.58 ms. Allocated memory is still 88.1 MB. Free memory was 65.5 MB in the beginning and 36.3 MB in the end (delta: 29.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 35804.03 ms. Allocated memory was 88.1 MB in the beginning and 343.9 MB in the end (delta: 255.9 MB). Free memory was 35.7 MB in the beginning and 231.4 MB in the end (delta: -195.6 MB). Peak memory consumption was 186.6 MB. Max. memory is 16.1 GB. * Witness Printer took 151.27 ms. Allocated memory is still 343.9 MB. Free memory was 231.4 MB in the beginning and 216.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((0bv32 == ~bvadd64(tmp, 4294967295bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && tmp == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.8s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1965 SDtfs, 4970 SDslu, 4765 SDs, 0 SdLazy, 832 SolverSat, 204 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 976 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2082 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=794occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 7278 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 312 NumberOfFragments, 843 HoareAnnotationTreeSize, 68 FomulaSimplifications, 3946336 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 68 FomulaSimplificationsInter, 568931 FormulaSimplificationTreeSizeReductionInter, 11.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 147453 SizeOfPredicates, 37 NumberOfNonLiveVariables, 3606 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 168/234 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...