./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs --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 1baeb8118429a44778bffa2a1d6c337647c98473 ............................................................................................................................................ 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_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs --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 1baeb8118429a44778bffa2a1d6c337647c98473 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 01:54:31,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:54:31,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:54:31,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:54:31,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:54:31,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:54:31,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:54:31,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:54:31,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:54:31,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:54:31,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:54:31,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:54:31,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:54:31,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:54:31,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:54:31,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:54:31,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:54:31,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:54:31,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:54:31,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:54:31,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:54:31,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:54:31,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:54:31,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:54:31,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:54:31,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:54:31,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:54:31,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:54:31,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:54:31,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:54:31,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:54:31,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:54:31,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:54:31,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:54:31,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:54:31,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:54:31,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:54:31,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:54:31,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:54:31,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:54:31,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:54:31,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 01:54:31,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:54:31,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:54:31,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 01:54:31,567 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 01:54:31,567 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 01:54:31,567 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 01:54:31,568 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 01:54:31,568 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 01:54:31,568 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 01:54:31,568 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 01:54:31,577 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 01:54:31,577 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 01:54:31,577 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 01:54:31,578 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 01:54:31,578 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 01:54:31,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:54:31,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:54:31,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 01:54:31,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:54:31,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:54:31,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:54:31,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:54:31,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:54:31,580 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 01:54:31,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:54:31,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:54:31,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:54:31,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:54:31,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:54:31,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:54:31,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:54:31,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:54:31,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:54:31,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:54:31,585 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 01:54:31,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 01:54:31,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:54:31,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 01:54:31,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:54:31,586 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_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1baeb8118429a44778bffa2a1d6c337647c98473 [2021-10-16 01:54:31,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:54:31,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:54:31,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:54:31,851 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:54:31,852 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:54:31,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-16 01:54:31,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/7812c5c16/335515feae994b6c960620522af131ac/FLAGf8990659f [2021-10-16 01:54:32,395 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:54:32,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-16 01:54:32,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/7812c5c16/335515feae994b6c960620522af131ac/FLAGf8990659f [2021-10-16 01:54:32,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/7812c5c16/335515feae994b6c960620522af131ac [2021-10-16 01:54:32,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:54:32,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:54:32,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:54:32,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:54:32,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:54:32,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:54:32" (1/1) ... [2021-10-16 01:54:32,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41015503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:32, skipping insertion in model container [2021-10-16 01:54:32,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:54:32" (1/1) ... [2021-10-16 01:54:32,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:54:32,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:54:32,960 WARN L228 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_41f7fb86-5f0c-40f4-b985-208911ae0242/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-16 01:54:33,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:54:33,165 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) [2021-10-16 01:54:33,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1144aff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:33, skipping insertion in model container [2021-10-16 01:54:33,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:54:33,166 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 01:54:33,168 INFO L168 Benchmark]: Toolchain (without parser) took 460.72 ms. Allocated memory is still 130.0 MB. Free memory was 88.3 MB in the beginning and 101.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:33,168 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:54:33,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.31 ms. Allocated memory is still 130.0 MB. Free memory was 88.1 MB in the beginning and 101.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:33,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.0 MB. Free memory is still 105.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 458.31 ms. Allocated memory is still 130.0 MB. Free memory was 88.1 MB in the beginning and 101.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 513]: 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 0.2.1-dev-5709675 [2021-10-16 01:54:35,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 01:54:35,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 01:54:35,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 01:54:35,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 01:54:35,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 01:54:35,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 01:54:35,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 01:54:35,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 01:54:35,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 01:54:35,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 01:54:35,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 01:54:35,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 01:54:35,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 01:54:35,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 01:54:35,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 01:54:35,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 01:54:35,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 01:54:35,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 01:54:35,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 01:54:35,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 01:54:35,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 01:54:35,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 01:54:35,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 01:54:35,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 01:54:35,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 01:54:35,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 01:54:35,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 01:54:35,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 01:54:35,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 01:54:35,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 01:54:35,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 01:54:35,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 01:54:35,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 01:54:35,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 01:54:35,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 01:54:35,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 01:54:35,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 01:54:35,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 01:54:35,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 01:54:35,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 01:54:35,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 01:54:35,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 01:54:35,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 01:54:35,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 01:54:35,619 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 01:54:35,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 01:54:35,619 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 01:54:35,620 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 01:54:35,620 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 01:54:35,621 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 01:54:35,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 01:54:35,623 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 01:54:35,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 01:54:35,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 01:54:35,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 01:54:35,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 01:54:35,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 01:54:35,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 01:54:35,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 01:54:35,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 01:54:35,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 01:54:35,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 01:54:35,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 01:54:35,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 01:54:35,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 01:54:35,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 01:54:35,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 01:54:35,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:54:35,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 01:54:35,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 01:54:35,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 01:54:35,627 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 01:54:35,627 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 01:54:35,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 01:54:35,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 01:54:35,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 01:54:35,628 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_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1baeb8118429a44778bffa2a1d6c337647c98473 [2021-10-16 01:54:36,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 01:54:36,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 01:54:36,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 01:54:36,052 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 01:54:36,053 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 01:54:36,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-16 01:54:36,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/2c73dc45d/af52738a89d14cc8bb5fe5af0d6ebfc6/FLAG2b0bc6c8f [2021-10-16 01:54:36,627 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 01:54:36,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-16 01:54:36,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/2c73dc45d/af52738a89d14cc8bb5fe5af0d6ebfc6/FLAG2b0bc6c8f [2021-10-16 01:54:36,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/data/2c73dc45d/af52738a89d14cc8bb5fe5af0d6ebfc6 [2021-10-16 01:54:36,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 01:54:36,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 01:54:36,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 01:54:36,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 01:54:36,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 01:54:36,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:54:36" (1/1) ... [2021-10-16 01:54:36,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a580a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:36, skipping insertion in model container [2021-10-16 01:54:36,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:54:36" (1/1) ... [2021-10-16 01:54:36,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 01:54:37,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:54:37,165 WARN L228 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_41f7fb86-5f0c-40f4-b985-208911ae0242/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-16 01:54:37,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:54:37,405 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 01:54:37,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 01:54:37,418 WARN L228 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_41f7fb86-5f0c-40f4-b985-208911ae0242/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-16 01:54:37,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:54:37,514 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 01:54:37,536 WARN L228 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_41f7fb86-5f0c-40f4-b985-208911ae0242/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-16 01:54:37,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 01:54:37,653 INFO L208 MainTranslator]: Completed translation [2021-10-16 01:54:37,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37 WrapperNode [2021-10-16 01:54:37,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 01:54:37,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 01:54:37,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 01:54:37,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 01:54:37,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 01:54:37,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 01:54:37,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 01:54:37,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 01:54:37,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 01:54:37,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 01:54:37,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 01:54:37,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 01:54:37,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (1/1) ... [2021-10-16 01:54:37,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 01:54:37,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 01:54:37,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 01:54:37,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 01:54:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 01:54:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 01:54:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 01:54:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 01:54:40,048 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 01:54:40,048 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-16 01:54:40,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:54:40 BoogieIcfgContainer [2021-10-16 01:54:40,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 01:54:40,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 01:54:40,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 01:54:40,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 01:54:40,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:54:36" (1/3) ... [2021-10-16 01:54:40,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2166b9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:54:40, skipping insertion in model container [2021-10-16 01:54:40,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:54:37" (2/3) ... [2021-10-16 01:54:40,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2166b9de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:54:40, skipping insertion in model container [2021-10-16 01:54:40,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:54:40" (3/3) ... [2021-10-16 01:54:40,059 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2021-10-16 01:54:40,064 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 01:54:40,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 01:54:40,111 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 01:54:40,117 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 01:54:40,117 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 01:54:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-16 01:54:40,137 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 01:54:40,138 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 01:54:40,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:54:40,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:54:40,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-16 01:54:40,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 01:54:40,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952900232] [2021-10-16 01:54:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:54:40,159 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 01:54:40,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 01:54:40,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 01:54:40,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 01:54:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:54:40,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 01:54:40,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:54:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:40,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 01:54:40,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:40,576 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 01:54:40,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952900232] [2021-10-16 01:54:40,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952900232] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 01:54:40,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:54:40,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 01:54:40,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957260178] [2021-10-16 01:54:40,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 01:54:40,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 01:54:40,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 01:54:40,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 01:54:40,605 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 01:54:40,642 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-16 01:54:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 01:54:40,643 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-16 01:54:40,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 01:54:40,652 INFO L225 Difference]: With dead ends: 112 [2021-10-16 01:54:40,652 INFO L226 Difference]: Without dead ends: 55 [2021-10-16 01:54:40,654 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 01:54:40,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-16 01:54:40,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-16 01:54:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-16 01:54:40,687 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-16 01:54:40,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 01:54:40,688 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-16 01:54:40,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-16 01:54:40,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-16 01:54:40,690 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 01:54:40,690 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 01:54:40,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 01:54:40,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 01:54:40,905 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:54:40,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:54:40,906 INFO L82 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-16 01:54:40,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 01:54:40,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566448667] [2021-10-16 01:54:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:54:40,908 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 01:54:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 01:54:40,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 01:54:40,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 01:54:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:54:41,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 01:54:41,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:54:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:41,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 01:54:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:41,241 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 01:54:41,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566448667] [2021-10-16 01:54:41,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566448667] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 01:54:41,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:54:41,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 01:54:41,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724793917] [2021-10-16 01:54:41,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 01:54:41,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 01:54:41,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 01:54:41,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:54:41,257 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:41,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 01:54:41,284 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-16 01:54:41,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:54:41,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-16 01:54:41,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 01:54:41,287 INFO L225 Difference]: With dead ends: 55 [2021-10-16 01:54:41,288 INFO L226 Difference]: Without dead ends: 29 [2021-10-16 01:54:41,289 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:54:41,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-16 01:54:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-16 01:54:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-16 01:54:41,301 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-16 01:54:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 01:54:41,301 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-16 01:54:41,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-16 01:54:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-16 01:54:41,303 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 01:54:41,306 INFO L512 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] [2021-10-16 01:54:41,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 01:54:41,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 01:54:41,507 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:54:41,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:54:41,508 INFO L82 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-16 01:54:41,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 01:54:41,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773769270] [2021-10-16 01:54:41,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:54:41,509 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 01:54:41,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 01:54:41,510 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 01:54:41,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 01:54:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:54:41,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 01:54:41,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:54:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:41,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 01:54:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:41,925 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 01:54:41,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773769270] [2021-10-16 01:54:41,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773769270] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 01:54:41,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:54:41,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 01:54:41,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288682633] [2021-10-16 01:54:41,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 01:54:41,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 01:54:41,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 01:54:41,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:54:41,928 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:41,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 01:54:41,961 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-10-16 01:54:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 01:54:41,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-16 01:54:41,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 01:54:41,964 INFO L225 Difference]: With dead ends: 98 [2021-10-16 01:54:41,964 INFO L226 Difference]: Without dead ends: 75 [2021-10-16 01:54:41,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 01:54:41,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-16 01:54:41,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 48. [2021-10-16 01:54:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-16 01:54:41,975 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-16 01:54:41,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 01:54:41,975 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-16 01:54:41,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-16 01:54:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-16 01:54:41,977 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 01:54:41,977 INFO L512 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] [2021-10-16 01:54:41,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 01:54:42,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 01:54:42,190 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:54:42,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:54:42,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-16 01:54:42,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 01:54:42,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699499674] [2021-10-16 01:54:42,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:54:42,192 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 01:54:42,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 01:54:42,193 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 01:54:42,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 01:54:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:54:42,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 01:54:42,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:54:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:42,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 01:54:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:42,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 01:54:42,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699499674] [2021-10-16 01:54:42,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699499674] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 01:54:42,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:54:42,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-16 01:54:42,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859992338] [2021-10-16 01:54:42,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 01:54:42,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 01:54:42,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 01:54:42,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 01:54:42,630 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:42,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 01:54:42,883 INFO L93 Difference]: Finished difference Result 307 states and 476 transitions. [2021-10-16 01:54:42,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-16 01:54:42,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-16 01:54:42,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 01:54:42,893 INFO L225 Difference]: With dead ends: 307 [2021-10-16 01:54:42,893 INFO L226 Difference]: Without dead ends: 265 [2021-10-16 01:54:42,896 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 118.1ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-16 01:54:42,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-10-16 01:54:42,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 118. [2021-10-16 01:54:42,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.4444444444444444) internal successors, (169), 117 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2021-10-16 01:54:42,924 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2021-10-16 01:54:42,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 01:54:42,925 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2021-10-16 01:54:42,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2021-10-16 01:54:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-16 01:54:42,926 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 01:54:42,927 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 01:54:42,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 01:54:43,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 01:54:43,140 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:54:43,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:54:43,140 INFO L82 PathProgramCache]: Analyzing trace with hash -473529446, now seen corresponding path program 1 times [2021-10-16 01:54:43,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 01:54:43,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112897155] [2021-10-16 01:54:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:54:43,141 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 01:54:43,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 01:54:43,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 01:54:43,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 01:54:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:54:43,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 01:54:43,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:54:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:43,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 01:54:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:43,512 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 01:54:43,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112897155] [2021-10-16 01:54:43,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112897155] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 01:54:43,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 01:54:43,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 01:54:43,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722506158] [2021-10-16 01:54:43,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 01:54:43,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 01:54:43,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 01:54:43,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:54:43,517 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:43,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 01:54:43,545 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2021-10-16 01:54:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 01:54:43,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-16 01:54:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 01:54:43,546 INFO L225 Difference]: With dead ends: 224 [2021-10-16 01:54:43,547 INFO L226 Difference]: Without dead ends: 112 [2021-10-16 01:54:43,550 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 01:54:43,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-16 01:54:43,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-10-16 01:54:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3513513513513513) internal successors, (150), 111 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2021-10-16 01:54:43,582 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2021-10-16 01:54:43,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 01:54:43,582 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2021-10-16 01:54:43,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2021-10-16 01:54:43,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-16 01:54:43,588 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 01:54:43,589 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 01:54:43,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-16 01:54:43,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 01:54:43,807 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 01:54:43,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 01:54:43,808 INFO L82 PathProgramCache]: Analyzing trace with hash 718124842, now seen corresponding path program 1 times [2021-10-16 01:54:43,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 01:54:43,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008208140] [2021-10-16 01:54:43,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:54:43,809 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 01:54:43,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 01:54:43,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 01:54:43,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 01:54:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:54:44,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 01:54:44,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:54:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:44,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 01:54:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 01:54:44,288 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 01:54:44,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008208140] [2021-10-16 01:54:44,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008208140] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 01:54:44,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [584228040] [2021-10-16 01:54:44,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 01:54:44,289 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 01:54:44,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 01:54:44,297 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 01:54:44,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 01:54:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 01:54:44,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 01:54:44,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 01:54:44,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-16 01:54:44,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 01:54:44,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-16 01:54:44,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [584228040] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 01:54:44,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-16 01:54:44,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-16 01:54:44,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669705950] [2021-10-16 01:54:44,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 01:54:44,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 01:54:44,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 01:54:44,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-16 01:54:44,816 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 01:54:44,941 INFO L93 Difference]: Finished difference Result 228 states and 314 transitions. [2021-10-16 01:54:44,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 01:54:44,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-16 01:54:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 01:54:44,942 INFO L225 Difference]: With dead ends: 228 [2021-10-16 01:54:44,942 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 01:54:44,943 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 71.8ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-16 01:54:44,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 01:54:44,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 01:54:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 01:54:44,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-16 01:54:44,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 01:54:44,944 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 01:54:44,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 01:54:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 01:54:44,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 01:54:44,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:54:44,947 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:54:44,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 01:54:44,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 01:54:45,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-16 01:54:45,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 01:54:45,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 01:54:45,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 01:54:45,731 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 01:54:45,731 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 01:54:45,731 INFO L857 garLoopResultBuilder]: For program point L252(lines 252 265) no Hoare annotation was computed. [2021-10-16 01:54:45,731 INFO L853 garLoopResultBuilder]: At program point L153(lines 148 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,731 INFO L853 garLoopResultBuilder]: At program point L153-1(lines 148 156) the Hoare annotation is: false [2021-10-16 01:54:45,732 INFO L853 garLoopResultBuilder]: At program point L153-2(lines 148 156) the Hoare annotation is: false [2021-10-16 01:54:45,732 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-16 01:54:45,732 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-16 01:54:45,732 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-16 01:54:45,732 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-10-16 01:54:45,732 INFO L857 garLoopResultBuilder]: For program point L401-1(lines 76 82) no Hoare annotation was computed. [2021-10-16 01:54:45,732 INFO L853 garLoopResultBuilder]: At program point L881(lines 876 884) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,733 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-16 01:54:45,733 INFO L853 garLoopResultBuilder]: At program point L270(lines 221 271) the Hoare annotation is: false [2021-10-16 01:54:45,733 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2021-10-16 01:54:45,733 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 1 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,733 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 301) no Hoare annotation was computed. [2021-10-16 01:54:45,733 INFO L853 garLoopResultBuilder]: At program point L288-3(lines 1 884) the Hoare annotation is: false [2021-10-16 01:54:45,733 INFO L857 garLoopResultBuilder]: For program point L288-4(lines 288 301) no Hoare annotation was computed. [2021-10-16 01:54:45,733 INFO L853 garLoopResultBuilder]: At program point L288-5(lines 1 884) the Hoare annotation is: false [2021-10-16 01:54:45,733 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 01:54:45,734 INFO L857 garLoopResultBuilder]: For program point L223(lines 222 269) no Hoare annotation was computed. [2021-10-16 01:54:45,734 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 478) no Hoare annotation was computed. [2021-10-16 01:54:45,734 INFO L860 garLoopResultBuilder]: At program point L471-1(lines 471 478) the Hoare annotation is: true [2021-10-16 01:54:45,734 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-10-16 01:54:45,734 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 01:54:45,734 INFO L853 garLoopResultBuilder]: At program point L76(lines 75 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,734 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2021-10-16 01:54:45,734 INFO L853 garLoopResultBuilder]: At program point L76-2(lines 75 94) the Hoare annotation is: false [2021-10-16 01:54:45,735 INFO L853 garLoopResultBuilder]: At program point L76-3(lines 75 94) the Hoare annotation is: false [2021-10-16 01:54:45,735 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2021-10-16 01:54:45,735 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2021-10-16 01:54:45,735 INFO L853 garLoopResultBuilder]: At program point L258-1(lines 76 82) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,735 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2021-10-16 01:54:45,735 INFO L853 garLoopResultBuilder]: At program point L242-1(lines 242 248) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,735 INFO L857 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2021-10-16 01:54:45,735 INFO L857 garLoopResultBuilder]: For program point L292-2(lines 292 298) no Hoare annotation was computed. [2021-10-16 01:54:45,736 INFO L857 garLoopResultBuilder]: For program point L292-4(lines 292 298) no Hoare annotation was computed. [2021-10-16 01:54:45,736 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 01:54:45,736 INFO L853 garLoopResultBuilder]: At program point L873(lines 1 884) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,736 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 316) no Hoare annotation was computed. [2021-10-16 01:54:45,736 INFO L857 garLoopResultBuilder]: For program point L312-3(lines 312 316) no Hoare annotation was computed. [2021-10-16 01:54:45,736 INFO L857 garLoopResultBuilder]: For program point L312-6(lines 312 316) no Hoare annotation was computed. [2021-10-16 01:54:45,736 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2021-10-16 01:54:45,736 INFO L853 garLoopResultBuilder]: At program point L197-1(lines 197 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,737 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 01:54:45,737 INFO L853 garLoopResultBuilder]: At program point L445(lines 441 447) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,737 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-16 01:54:45,737 INFO L853 garLoopResultBuilder]: At program point L83(lines 83 89) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,737 INFO L853 garLoopResultBuilder]: At program point L83-1(lines 83 89) the Hoare annotation is: false [2021-10-16 01:54:45,737 INFO L853 garLoopResultBuilder]: At program point L83-2(lines 83 89) the Hoare annotation is: false [2021-10-16 01:54:45,737 INFO L853 garLoopResultBuilder]: At program point L397-2(lines 397 411) the Hoare annotation is: false [2021-10-16 01:54:45,737 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-10-16 01:54:45,738 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 232 238) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,738 INFO L860 garLoopResultBuilder]: At program point L480(lines 461 483) the Hoare annotation is: true [2021-10-16 01:54:45,738 INFO L853 garLoopResultBuilder]: At program point L381(lines 376 384) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 01:54:45,738 INFO L853 garLoopResultBuilder]: At program point L381-1(lines 376 384) the Hoare annotation is: false [2021-10-16 01:54:45,738 INFO L853 garLoopResultBuilder]: At program point L381-2(lines 376 384) the Hoare annotation is: false [2021-10-16 01:54:45,738 INFO L857 garLoopResultBuilder]: For program point L398(line 398) no Hoare annotation was computed. [2021-10-16 01:54:45,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 01:54:45,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:54:45 BoogieIcfgContainer [2021-10-16 01:54:45,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 01:54:45,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 01:54:45,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 01:54:45,763 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 01:54:45,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:54:40" (3/4) ... [2021-10-16 01:54:45,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 01:54:45,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 01:54:45,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 01:54:45,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 01:54:45,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 01:54:45,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 01:54:45,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:54:45,782 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 01:54:45,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-16 01:54:45,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 01:54:45,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 01:54:45,841 INFO L168 Benchmark]: Toolchain (without parser) took 8879.78 ms. Allocated memory was 56.6 MB in the beginning and 86.0 MB in the end (delta: 29.4 MB). Free memory was 33.1 MB in the beginning and 23.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:45,841 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 56.6 MB. Free memory is still 37.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 01:54:45,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.88 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 39.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:45,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.31 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 36.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:45,842 INFO L168 Benchmark]: Boogie Preprocessor took 74.28 ms. Allocated memory is still 69.2 MB. Free memory was 36.5 MB in the beginning and 34.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:45,843 INFO L168 Benchmark]: RCFGBuilder took 2236.39 ms. Allocated memory is still 69.2 MB. Free memory was 34.5 MB in the beginning and 43.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:45,843 INFO L168 Benchmark]: TraceAbstraction took 5709.73 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 42.8 MB in the beginning and 28.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:45,843 INFO L168 Benchmark]: Witness Printer took 76.54 ms. Allocated memory is still 86.0 MB. Free memory was 28.8 MB in the beginning and 23.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 01:54:45,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 56.6 MB. Free memory is still 37.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 692.88 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 39.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.31 ms. Allocated memory is still 69.2 MB. Free memory was 39.0 MB in the beginning and 36.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.28 ms. Allocated memory is still 69.2 MB. Free memory was 36.5 MB in the beginning and 34.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2236.39 ms. Allocated memory is still 69.2 MB. Free memory was 34.5 MB in the beginning and 43.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5709.73 ms. Allocated memory was 69.2 MB in the beginning and 86.0 MB in the end (delta: 16.8 MB). Free memory was 42.8 MB in the beginning and 28.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * Witness Printer took 76.54 ms. Allocated memory is still 86.0 MB. Free memory was 28.8 MB in the beginning and 23.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5633.2ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 19.2ms, AutomataDifference: 569.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 376.0ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 298 SDtfs, 478 SDslu, 442 SDs, 0 SdLazy, 92 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 147.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 211.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=4, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 101.1ms AutomataMinimizationTime, 6 MinimizatonAttempts, 174 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 129 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 300.3ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 67.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 158.9ms SsaConstructionTime, 697.5ms SatisfiabilityAnalysisTime, 1529.7ms InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 727 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1399 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 46/56 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-16 01:54:45,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f7fb86-5f0c-40f4-b985-208911ae0242/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...