./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE --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 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 ............................................................................................................................................ 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_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE --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 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:15:34,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:15:34,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:15:34,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:15:34,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:15:34,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:15:34,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:15:34,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:15:34,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:15:34,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:15:34,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:15:34,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:15:34,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:15:34,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:15:34,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:15:34,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:15:34,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:15:34,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:15:34,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:15:34,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:15:34,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:15:34,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:15:34,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:15:34,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:15:34,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:15:34,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:15:34,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:15:34,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:15:34,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:15:34,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:15:34,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:15:34,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:15:34,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:15:34,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:15:34,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:15:34,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:15:34,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:15:34,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:15:34,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:15:34,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:15:34,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:15:34,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:15:34,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:15:34,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:15:34,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:15:34,655 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:15:34,655 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:15:34,656 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:15:34,656 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:15:34,656 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:15:34,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:15:34,657 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:15:34,658 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:15:34,658 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:15:34,658 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:15:34,658 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:15:34,659 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:15:34,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:15:34,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:15:34,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:15:34,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:15:34,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:15:34,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:15:34,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:15:34,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:15:34,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:15:34,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:15:34,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:15:34,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:15:34,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:15:34,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:15:34,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:15:34,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:34,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:15:34,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:15:34,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:15:34,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:15:34,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:15:34,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:15:34,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:15:34,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:15:34,665 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_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 [2021-10-24 11:15:34,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:15:34,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:15:34,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:15:34,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:15:34,968 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:15:34,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-24 11:15:35,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/12feca4ac/4f44ec411ca949cabb504d69fc15fb0f/FLAGcab171da5 [2021-10-24 11:15:35,542 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:15:35,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-24 11:15:35,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/12feca4ac/4f44ec411ca949cabb504d69fc15fb0f/FLAGcab171da5 [2021-10-24 11:15:35,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/12feca4ac/4f44ec411ca949cabb504d69fc15fb0f [2021-10-24 11:15:35,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:15:35,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:15:35,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:35,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:15:35,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:15:35,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:35" (1/1) ... [2021-10-24 11:15:35,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f3bd99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:35, skipping insertion in model container [2021-10-24 11:15:35,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:35" (1/1) ... [2021-10-24 11:15:35,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:15:35,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:36,327 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_51aadc23-6063-46b3-a11a-6f0b13bf403f/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-24 11:15:36,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:36,351 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) [2021-10-24 11:15:36,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35d1781a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:36, skipping insertion in model container [2021-10-24 11:15:36,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:36,353 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:15:36,355 INFO L168 Benchmark]: Toolchain (without parser) took 482.16 ms. Allocated memory is still 117.4 MB. Free memory was 80.2 MB in the beginning and 90.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:36,357 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 117.4 MB. Free memory is still 97.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:15:36,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.10 ms. Allocated memory is still 117.4 MB. Free memory was 80.0 MB in the beginning and 90.8 MB in the end (delta: -10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:15:36,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 117.4 MB. Free memory is still 97.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.10 ms. Allocated memory is still 117.4 MB. Free memory was 80.0 MB in the beginning and 90.8 MB in the end (delta: -10.8 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: 540]: 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-e943c26 [2021-10-24 11:15:38,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:15:38,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:15:38,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:15:38,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:15:38,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:15:38,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:15:38,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:15:38,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:15:38,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:15:38,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:15:38,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:15:38,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:15:38,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:15:38,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:15:38,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:15:38,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:15:38,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:15:38,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:15:38,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:15:38,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:15:38,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:15:38,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:15:38,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:15:38,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:15:38,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:15:38,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:15:38,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:15:38,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:15:38,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:15:38,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:15:38,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:15:38,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:15:38,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:15:38,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:15:38,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:15:38,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:15:38,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:15:38,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:15:38,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:15:38,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:15:38,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:15:38,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:15:38,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:15:38,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:15:38,767 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:15:38,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:15:38,767 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:15:38,767 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:15:38,767 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:15:38,768 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:15:38,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:15:38,768 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:15:38,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:15:38,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:15:38,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:15:38,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:15:38,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:15:38,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:15:38,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:15:38,770 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:15:38,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:15:38,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:15:38,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:15:38,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:15:38,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:15:38,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:15:38,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:15:38,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:38,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:15:38,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:15:38,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:15:38,772 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:15:38,772 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:15:38,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:15:38,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:15:38,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:15:38,773 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_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685bdac90b32b89d64927338575dc6f79737e9f84bb9272d4bfb0c942aa4ae35 [2021-10-24 11:15:39,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:15:39,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:15:39,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:15:39,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:15:39,190 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:15:39,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-24 11:15:39,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/a3f3efd79/1dae9b3952aa47c5a452b9cb09aa6dbb/FLAG3d0486133 [2021-10-24 11:15:39,894 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:15:39,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-24 11:15:39,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/a3f3efd79/1dae9b3952aa47c5a452b9cb09aa6dbb/FLAG3d0486133 [2021-10-24 11:15:40,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/data/a3f3efd79/1dae9b3952aa47c5a452b9cb09aa6dbb [2021-10-24 11:15:40,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:15:40,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:15:40,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:40,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:15:40,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:15:40,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:40,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597c4c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40, skipping insertion in model container [2021-10-24 11:15:40,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:40,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:15:40,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:40,650 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_51aadc23-6063-46b3-a11a-6f0b13bf403f/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-24 11:15:40,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:40,673 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:15:40,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:15:40,771 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_51aadc23-6063-46b3-a11a-6f0b13bf403f/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-24 11:15:40,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:40,788 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:15:40,863 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_51aadc23-6063-46b3-a11a-6f0b13bf403f/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19412,19425] [2021-10-24 11:15:40,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:15:40,885 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:15:40,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40 WrapperNode [2021-10-24 11:15:40,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:40,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:15:40,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:15:40,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:15:40,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:40,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:15:41,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:15:41,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:15:41,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:15:41,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:15:41,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:15:41,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:15:41,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:15:41,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (1/1) ... [2021-10-24 11:15:41,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:41,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:15:41,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:15:41,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:15:41,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:15:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:15:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:15:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:15:43,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:15:43,865 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-24 11:15:43,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:43 BoogieIcfgContainer [2021-10-24 11:15:43,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:15:43,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:15:43,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:15:43,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:15:43,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:15:40" (1/3) ... [2021-10-24 11:15:43,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67acc3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:43, skipping insertion in model container [2021-10-24 11:15:43,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:40" (2/3) ... [2021-10-24 11:15:43,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67acc3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:15:43, skipping insertion in model container [2021-10-24 11:15:43,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:43" (3/3) ... [2021-10-24 11:15:43,880 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2021-10-24 11:15:43,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:15:43,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:15:43,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:15:43,962 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, mAutomataTypeConcurrency=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 [2021-10-24 11:15:43,962 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:15:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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) [2021-10-24 11:15:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 11:15:43,995 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:43,996 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:43,996 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:44,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:44,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1685888364, now seen corresponding path program 1 times [2021-10-24 11:15:44,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:44,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848919998] [2021-10-24 11:15:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:44,019 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:44,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:44,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:44,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:15:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:44,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:15:44,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:44,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:44,431 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:44,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848919998] [2021-10-24 11:15:44,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1848919998] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:44,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:44,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:15:44,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139617980] [2021-10-24 11:15:44,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:15:44,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:44,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:15:44,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:15:44,455 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-24 11:15:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:44,493 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2021-10-24 11:15:44,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:15:44,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-24 11:15:44,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:44,506 INFO L225 Difference]: With dead ends: 383 [2021-10-24 11:15:44,506 INFO L226 Difference]: Without dead ends: 191 [2021-10-24 11:15:44,510 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:15:44,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-24 11:15:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-24 11:15:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5212765957446808) internal successors, (286), 190 states have internal predecessors, (286), 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) [2021-10-24 11:15:44,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2021-10-24 11:15:44,558 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2021-10-24 11:15:44,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:44,559 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2021-10-24 11:15:44,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-24 11:15:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2021-10-24 11:15:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 11:15:44,561 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:44,561 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:44,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:44,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:44,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:44,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:44,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1092357789, now seen corresponding path program 1 times [2021-10-24 11:15:44,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:44,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964414809] [2021-10-24 11:15:44,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:44,776 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:44,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:44,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:44,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:15:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:44,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:44,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:45,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:45,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:45,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964414809] [2021-10-24 11:15:45,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964414809] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:45,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:45,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:15:45,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247029293] [2021-10-24 11:15:45,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:15:45,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:45,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:15:45,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:45,140 INFO L87 Difference]: Start difference. First operand 191 states and 286 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-24 11:15:45,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:45,176 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2021-10-24 11:15:45,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:15:45,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-24 11:15:45,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:45,186 INFO L225 Difference]: With dead ends: 191 [2021-10-24 11:15:45,186 INFO L226 Difference]: Without dead ends: 75 [2021-10-24 11:15:45,189 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:45,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-24 11:15:45,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-24 11:15:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-24 11:15:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-24 11:15:45,197 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-24 11:15:45,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:45,197 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-24 11:15:45,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-24 11:15:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-24 11:15:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:15:45,203 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:45,209 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, 1] [2021-10-24 11:15:45,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:45,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:45,422 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:45,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:45,422 INFO L82 PathProgramCache]: Analyzing trace with hash 359640127, now seen corresponding path program 1 times [2021-10-24 11:15:45,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:45,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474780330] [2021-10-24 11:15:45,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:45,423 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:45,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:45,425 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:45,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:15:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:45,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:45,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:45,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:45,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:45,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474780330] [2021-10-24 11:15:45,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474780330] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:45,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:45,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:15:45,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474544158] [2021-10-24 11:15:45,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:15:45,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:45,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:15:45,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:45,846 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 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) [2021-10-24 11:15:45,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:45,873 INFO L93 Difference]: Finished difference Result 235 states and 355 transitions. [2021-10-24 11:15:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:15:45,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 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 24 [2021-10-24 11:15:45,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:45,875 INFO L225 Difference]: With dead ends: 235 [2021-10-24 11:15:45,875 INFO L226 Difference]: Without dead ends: 167 [2021-10-24 11:15:45,876 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:45,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-24 11:15:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 95. [2021-10-24 11:15:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 94 states have internal predecessors, (142), 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) [2021-10-24 11:15:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 142 transitions. [2021-10-24 11:15:45,891 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 142 transitions. Word has length 24 [2021-10-24 11:15:45,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:45,891 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 142 transitions. [2021-10-24 11:15:45,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 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) [2021-10-24 11:15:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2021-10-24 11:15:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 11:15:45,893 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:45,893 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, 1, 1, 1, 1] [2021-10-24 11:15:45,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:46,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:46,109 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:46,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:46,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1777034885, now seen corresponding path program 1 times [2021-10-24 11:15:46,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:46,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80983284] [2021-10-24 11:15:46,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:46,111 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:46,112 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:46,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:15:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:46,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:46,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:46,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:46,511 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:46,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80983284] [2021-10-24 11:15:46,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80983284] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:46,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:46,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:15:46,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663721708] [2021-10-24 11:15:46,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:15:46,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:46,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:15:46,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:15:46,514 INFO L87 Difference]: Start difference. First operand 95 states and 142 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-24 11:15:46,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:46,569 INFO L93 Difference]: Finished difference Result 193 states and 291 transitions. [2021-10-24 11:15:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:15:46,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-10-24 11:15:46,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:46,571 INFO L225 Difference]: With dead ends: 193 [2021-10-24 11:15:46,571 INFO L226 Difference]: Without dead ends: 105 [2021-10-24 11:15:46,572 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:15:46,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-24 11:15:46,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-10-24 11:15:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4509803921568627) internal successors, (148), 102 states have internal predecessors, (148), 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) [2021-10-24 11:15:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2021-10-24 11:15:46,589 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 27 [2021-10-24 11:15:46,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:46,589 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2021-10-24 11:15:46,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-10-24 11:15:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2021-10-24 11:15:46,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 11:15:46,591 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:46,591 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, 1, 1, 1, 1] [2021-10-24 11:15:46,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:46,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:46,808 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:46,809 INFO L82 PathProgramCache]: Analyzing trace with hash 681148104, now seen corresponding path program 1 times [2021-10-24 11:15:46,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:46,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171738004] [2021-10-24 11:15:46,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:46,810 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:46,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:46,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:15:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:47,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:15:47,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:47,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:47,335 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:47,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171738004] [2021-10-24 11:15:47,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171738004] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:47,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:47,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 11:15:47,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357597188] [2021-10-24 11:15:47,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:15:47,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:47,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:15:47,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:15:47,344 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-24 11:15:47,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:47,479 INFO L93 Difference]: Finished difference Result 492 states and 716 transitions. [2021-10-24 11:15:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 11:15:47,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-10-24 11:15:47,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:47,482 INFO L225 Difference]: With dead ends: 492 [2021-10-24 11:15:47,483 INFO L226 Difference]: Without dead ends: 396 [2021-10-24 11:15:47,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 51.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:15:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-10-24 11:15:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 188. [2021-10-24 11:15:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.427807486631016) internal successors, (267), 187 states have internal predecessors, (267), 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) [2021-10-24 11:15:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2021-10-24 11:15:47,524 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 27 [2021-10-24 11:15:47,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:47,525 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2021-10-24 11:15:47,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-24 11:15:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2021-10-24 11:15:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 11:15:47,532 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:47,532 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, 1, 1, 1, 1, 1] [2021-10-24 11:15:47,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:47,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:47,745 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:47,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:47,746 INFO L82 PathProgramCache]: Analyzing trace with hash -752997056, now seen corresponding path program 1 times [2021-10-24 11:15:47,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:47,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816395624] [2021-10-24 11:15:47,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:47,748 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:47,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:47,749 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:47,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:15:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:47,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:15:47,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:48,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:48,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:48,187 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:48,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816395624] [2021-10-24 11:15:48,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816395624] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:48,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:48,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:15:48,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925628199] [2021-10-24 11:15:48,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:15:48,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:15:48,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:15:48,194 INFO L87 Difference]: Start difference. First operand 188 states and 267 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) [2021-10-24 11:15:48,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:48,416 INFO L93 Difference]: Finished difference Result 703 states and 1003 transitions. [2021-10-24 11:15:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:15:48,417 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 28 [2021-10-24 11:15:48,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:48,420 INFO L225 Difference]: With dead ends: 703 [2021-10-24 11:15:48,420 INFO L226 Difference]: Without dead ends: 522 [2021-10-24 11:15:48,421 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:15:48,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-10-24 11:15:48,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2021-10-24 11:15:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.4108108108108108) internal successors, (261), 185 states have internal predecessors, (261), 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) [2021-10-24 11:15:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 261 transitions. [2021-10-24 11:15:48,442 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 261 transitions. Word has length 28 [2021-10-24 11:15:48,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:48,442 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 261 transitions. [2021-10-24 11:15:48,442 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) [2021-10-24 11:15:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 261 transitions. [2021-10-24 11:15:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 11:15:48,444 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:48,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:48,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:48,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:48,658 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:48,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:48,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1409801979, now seen corresponding path program 1 times [2021-10-24 11:15:48,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:48,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759048944] [2021-10-24 11:15:48,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:48,659 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:48,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:48,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:48,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:15:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:48,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:15:48,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:49,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:49,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:49,090 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:49,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759048944] [2021-10-24 11:15:49,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759048944] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:49,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:49,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:15:49,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936592637] [2021-10-24 11:15:49,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:15:49,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:49,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:15:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:15:49,092 INFO L87 Difference]: Start difference. First operand 186 states and 261 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-24 11:15:49,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:49,205 INFO L93 Difference]: Finished difference Result 537 states and 745 transitions. [2021-10-24 11:15:49,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:15:49,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-24 11:15:49,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:49,208 INFO L225 Difference]: With dead ends: 537 [2021-10-24 11:15:49,208 INFO L226 Difference]: Without dead ends: 358 [2021-10-24 11:15:49,209 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:15:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-10-24 11:15:49,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2021-10-24 11:15:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.374384236453202) internal successors, (279), 203 states have internal predecessors, (279), 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) [2021-10-24 11:15:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 279 transitions. [2021-10-24 11:15:49,236 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 279 transitions. Word has length 34 [2021-10-24 11:15:49,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:49,237 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 279 transitions. [2021-10-24 11:15:49,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-24 11:15:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 279 transitions. [2021-10-24 11:15:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 11:15:49,238 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:49,238 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:49,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:49,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:49,454 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:49,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:49,455 INFO L82 PathProgramCache]: Analyzing trace with hash 2110866557, now seen corresponding path program 1 times [2021-10-24 11:15:49,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:49,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544271348] [2021-10-24 11:15:49,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:49,456 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:49,457 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:49,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:15:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:49,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:15:49,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:49,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:49,889 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:49,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544271348] [2021-10-24 11:15:49,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544271348] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:49,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:49,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:15:49,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612265458] [2021-10-24 11:15:49,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:15:49,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:49,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:15:49,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:15:49,896 INFO L87 Difference]: Start difference. First operand 204 states and 279 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-10-24 11:15:49,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:49,999 INFO L93 Difference]: Finished difference Result 587 states and 795 transitions. [2021-10-24 11:15:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:15:50,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 34 [2021-10-24 11:15:50,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:50,004 INFO L225 Difference]: With dead ends: 587 [2021-10-24 11:15:50,004 INFO L226 Difference]: Without dead ends: 390 [2021-10-24 11:15:50,006 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:15:50,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-10-24 11:15:50,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 216. [2021-10-24 11:15:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.3534883720930233) internal successors, (291), 215 states have internal predecessors, (291), 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) [2021-10-24 11:15:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2021-10-24 11:15:50,032 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 34 [2021-10-24 11:15:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:50,033 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2021-10-24 11:15:50,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-10-24 11:15:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2021-10-24 11:15:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 11:15:50,036 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:50,037 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:50,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:50,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:50,250 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:50,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:50,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1524060543, now seen corresponding path program 1 times [2021-10-24 11:15:50,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:50,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644649233] [2021-10-24 11:15:50,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:50,252 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:50,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:50,253 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:50,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 11:15:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:50,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:50,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:50,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:50,770 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:50,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644649233] [2021-10-24 11:15:50,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644649233] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:50,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:50,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:15:50,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351324700] [2021-10-24 11:15:50,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:15:50,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:50,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:15:50,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:50,772 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-10-24 11:15:50,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:50,886 INFO L93 Difference]: Finished difference Result 682 states and 923 transitions. [2021-10-24 11:15:50,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:15:50,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 34 [2021-10-24 11:15:50,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:50,890 INFO L225 Difference]: With dead ends: 682 [2021-10-24 11:15:50,890 INFO L226 Difference]: Without dead ends: 473 [2021-10-24 11:15:50,891 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:50,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-10-24 11:15:50,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 381. [2021-10-24 11:15:50,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 380 states have (on average 1.3368421052631578) internal successors, (508), 380 states have internal predecessors, (508), 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) [2021-10-24 11:15:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 508 transitions. [2021-10-24 11:15:50,934 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 508 transitions. Word has length 34 [2021-10-24 11:15:50,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:50,935 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 508 transitions. [2021-10-24 11:15:50,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-10-24 11:15:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 508 transitions. [2021-10-24 11:15:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 11:15:50,936 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:50,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:50,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:51,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:51,149 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:51,150 INFO L82 PathProgramCache]: Analyzing trace with hash 128114367, now seen corresponding path program 1 times [2021-10-24 11:15:51,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:51,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548407024] [2021-10-24 11:15:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:51,151 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:51,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:51,152 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:51,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 11:15:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:51,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:51,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:51,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:51,671 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:51,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548407024] [2021-10-24 11:15:51,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548407024] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:51,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:51,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:15:51,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976327475] [2021-10-24 11:15:51,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:15:51,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:51,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:15:51,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:15:51,673 INFO L87 Difference]: Start difference. First operand 381 states and 508 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-24 11:15:51,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:51,778 INFO L93 Difference]: Finished difference Result 643 states and 852 transitions. [2021-10-24 11:15:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:15:51,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2021-10-24 11:15:51,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:51,783 INFO L225 Difference]: With dead ends: 643 [2021-10-24 11:15:51,784 INFO L226 Difference]: Without dead ends: 641 [2021-10-24 11:15:51,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:15:51,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2021-10-24 11:15:51,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 470. [2021-10-24 11:15:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 469 states have (on average 1.3624733475479744) internal successors, (639), 469 states have internal predecessors, (639), 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) [2021-10-24 11:15:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 639 transitions. [2021-10-24 11:15:51,849 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 639 transitions. Word has length 35 [2021-10-24 11:15:51,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:51,849 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 639 transitions. [2021-10-24 11:15:51,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-24 11:15:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 639 transitions. [2021-10-24 11:15:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 11:15:51,851 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:51,852 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:51,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-10-24 11:15:52,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:52,064 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:52,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:52,065 INFO L82 PathProgramCache]: Analyzing trace with hash -74059363, now seen corresponding path program 1 times [2021-10-24 11:15:52,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:52,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [217978717] [2021-10-24 11:15:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:52,065 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:52,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:52,066 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:52,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 11:15:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:52,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:52,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:52,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:15:52,683 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:52,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [217978717] [2021-10-24 11:15:52,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [217978717] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:52,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:52,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:15:52,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714954929] [2021-10-24 11:15:52,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:15:52,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:52,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:15:52,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:52,685 INFO L87 Difference]: Start difference. First operand 470 states and 639 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-10-24 11:15:55,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:55,457 INFO L93 Difference]: Finished difference Result 855 states and 1175 transitions. [2021-10-24 11:15:55,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:15:55,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 60 [2021-10-24 11:15:55,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:55,460 INFO L225 Difference]: With dead ends: 855 [2021-10-24 11:15:55,461 INFO L226 Difference]: Without dead ends: 392 [2021-10-24 11:15:55,462 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:15:55,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-10-24 11:15:55,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2021-10-24 11:15:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.3145780051150895) internal successors, (514), 391 states have internal predecessors, (514), 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) [2021-10-24 11:15:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 514 transitions. [2021-10-24 11:15:55,509 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 514 transitions. Word has length 60 [2021-10-24 11:15:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:55,509 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 514 transitions. [2021-10-24 11:15:55,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2021-10-24 11:15:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 514 transitions. [2021-10-24 11:15:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 11:15:55,511 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:55,511 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:55,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:55,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:55,732 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:55,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:55,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1742925099, now seen corresponding path program 1 times [2021-10-24 11:15:55,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:55,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296991940] [2021-10-24 11:15:55,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:55,734 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:55,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:55,735 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:55,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 11:15:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:56,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:15:56,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 11:15:56,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:56,339 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-24 11:15:56,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:56,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296991940] [2021-10-24 11:15:56,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296991940] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:56,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:56,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:15:56,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188617514] [2021-10-24 11:15:56,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:15:56,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:56,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:15:56,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:15:56,341 INFO L87 Difference]: Start difference. First operand 392 states and 514 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-24 11:15:57,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:15:57,963 INFO L93 Difference]: Finished difference Result 776 states and 1017 transitions. [2021-10-24 11:15:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:15:57,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 63 [2021-10-24 11:15:57,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:15:57,966 INFO L225 Difference]: With dead ends: 776 [2021-10-24 11:15:57,966 INFO L226 Difference]: Without dead ends: 299 [2021-10-24 11:15:57,967 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:15:57,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-24 11:15:58,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2021-10-24 11:15:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.278523489932886) internal successors, (381), 298 states have internal predecessors, (381), 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) [2021-10-24 11:15:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 381 transitions. [2021-10-24 11:15:58,005 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 381 transitions. Word has length 63 [2021-10-24 11:15:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:15:58,005 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 381 transitions. [2021-10-24 11:15:58,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-24 11:15:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 381 transitions. [2021-10-24 11:15:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 11:15:58,007 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:15:58,007 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:15:58,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 11:15:58,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:15:58,220 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:15:58,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:15:58,221 INFO L82 PathProgramCache]: Analyzing trace with hash 753888454, now seen corresponding path program 1 times [2021-10-24 11:15:58,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:15:58,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704602520] [2021-10-24 11:15:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:15:58,222 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:15:58,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:15:58,223 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:15:58,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 11:15:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:15:58,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:15:58,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:15:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:15:58,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:15:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:15:58,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:15:58,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704602520] [2021-10-24 11:15:58,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704602520] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:15:58,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:15:58,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 11:15:58,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503585362] [2021-10-24 11:15:58,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 11:15:58,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:15:58,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 11:15:58,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:15:58,981 INFO L87 Difference]: Start difference. First operand 299 states and 381 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2021-10-24 11:16:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:16:01,501 INFO L93 Difference]: Finished difference Result 952 states and 1186 transitions. [2021-10-24 11:16:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 11:16:01,502 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 63 [2021-10-24 11:16:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:16:01,503 INFO L225 Difference]: With dead ends: 952 [2021-10-24 11:16:01,503 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:16:01,504 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 118.5ms TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-24 11:16:01,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:16:01,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:16:01,505 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) [2021-10-24 11:16:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:16:01,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-24 11:16:01,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:16:01,506 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:16:01,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2021-10-24 11:16:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:16:01,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:16:01,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:16:01,509 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:16:01,510 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:16:01,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 11:16:01,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:16:01,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:16:01,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:01,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:01,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:01,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:01,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:01,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:01,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:02,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:03,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:04,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:16:11,268 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-24 11:16:11,268 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-24 11:16:11,268 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-24 11:16:11,268 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-24 11:16:11,268 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 913) no Hoare annotation was computed. [2021-10-24 11:16:11,269 INFO L853 garLoopResultBuilder]: At program point L896-1(lines 1 1022) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) .cse4) (and .cse0 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse5 .cse7)))) [2021-10-24 11:16:11,269 INFO L853 garLoopResultBuilder]: At program point L929-2(lines 929 943) the Hoare annotation is: false [2021-10-24 11:16:11,269 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 913) no Hoare annotation was computed. [2021-10-24 11:16:11,269 INFO L853 garLoopResultBuilder]: At program point L896-3(lines 1 1022) the Hoare annotation is: false [2021-10-24 11:16:11,269 INFO L857 garLoopResultBuilder]: For program point L896-4(lines 896 913) no Hoare annotation was computed. [2021-10-24 11:16:11,270 INFO L853 garLoopResultBuilder]: At program point L896-5(lines 1 1022) the Hoare annotation is: false [2021-10-24 11:16:11,270 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-24 11:16:11,270 INFO L853 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:16:11,270 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,270 INFO L857 garLoopResultBuilder]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,271 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,271 INFO L857 garLoopResultBuilder]: For program point L467-5(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,271 INFO L857 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,271 INFO L857 garLoopResultBuilder]: For program point L467-8(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,271 INFO L857 garLoopResultBuilder]: For program point L467-9(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,271 INFO L857 garLoopResultBuilder]: For program point L467-11(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,271 INFO L857 garLoopResultBuilder]: For program point L467-12(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,272 INFO L857 garLoopResultBuilder]: For program point L467-14(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,272 INFO L857 garLoopResultBuilder]: For program point L467-15(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,272 INFO L857 garLoopResultBuilder]: For program point L467-17(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,272 INFO L857 garLoopResultBuilder]: For program point L930(line 930) no Hoare annotation was computed. [2021-10-24 11:16:11,272 INFO L857 garLoopResultBuilder]: For program point L467-18(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,272 INFO L857 garLoopResultBuilder]: For program point L467-20(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,273 INFO L857 garLoopResultBuilder]: For program point L467-21(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,273 INFO L857 garLoopResultBuilder]: For program point L467-23(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,273 INFO L857 garLoopResultBuilder]: For program point L467-24(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,273 INFO L857 garLoopResultBuilder]: For program point L467-26(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,273 INFO L857 garLoopResultBuilder]: For program point L467-27(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,273 INFO L857 garLoopResultBuilder]: For program point L467-29(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,274 INFO L857 garLoopResultBuilder]: For program point L467-30(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,274 INFO L857 garLoopResultBuilder]: For program point L467-32(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,274 INFO L857 garLoopResultBuilder]: For program point L467-33(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,274 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 377) no Hoare annotation was computed. [2021-10-24 11:16:11,274 INFO L857 garLoopResultBuilder]: For program point L369-1(lines 369 377) no Hoare annotation was computed. [2021-10-24 11:16:11,274 INFO L857 garLoopResultBuilder]: For program point L467-35(lines 467 471) no Hoare annotation was computed. [2021-10-24 11:16:11,275 INFO L857 garLoopResultBuilder]: For program point L369-2(lines 369 377) no Hoare annotation was computed. [2021-10-24 11:16:11,275 INFO L853 garLoopResultBuilder]: At program point L139(lines 134 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-24 11:16:11,275 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 134 142) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (not .cse8)) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse8 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse4)))) [2021-10-24 11:16:11,275 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2021-10-24 11:16:11,275 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 134 142) the Hoare annotation is: false [2021-10-24 11:16:11,276 INFO L853 garLoopResultBuilder]: At program point L139-4(lines 134 142) the Hoare annotation is: false [2021-10-24 11:16:11,276 INFO L853 garLoopResultBuilder]: At program point L139-5(lines 134 142) the Hoare annotation is: false [2021-10-24 11:16:11,276 INFO L857 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2021-10-24 11:16:11,276 INFO L857 garLoopResultBuilder]: For program point L900(lines 900 910) no Hoare annotation was computed. [2021-10-24 11:16:11,276 INFO L857 garLoopResultBuilder]: For program point L933-1(lines 281 287) no Hoare annotation was computed. [2021-10-24 11:16:11,276 INFO L857 garLoopResultBuilder]: For program point L900-2(lines 900 910) no Hoare annotation was computed. [2021-10-24 11:16:11,277 INFO L857 garLoopResultBuilder]: For program point L900-4(lines 900 910) no Hoare annotation was computed. [2021-10-24 11:16:11,277 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 356) no Hoare annotation was computed. [2021-10-24 11:16:11,277 INFO L857 garLoopResultBuilder]: For program point L339-1(lines 339 356) no Hoare annotation was computed. [2021-10-24 11:16:11,277 INFO L857 garLoopResultBuilder]: For program point L339-2(lines 339 356) no Hoare annotation was computed. [2021-10-24 11:16:11,277 INFO L857 garLoopResultBuilder]: For program point L339-3(lines 339 356) no Hoare annotation was computed. [2021-10-24 11:16:11,277 INFO L857 garLoopResultBuilder]: For program point L339-4(lines 339 356) no Hoare annotation was computed. [2021-10-24 11:16:11,278 INFO L857 garLoopResultBuilder]: For program point L339-5(lines 339 356) no Hoare annotation was computed. [2021-10-24 11:16:11,278 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 1022) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:16:11,278 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 907) no Hoare annotation was computed. [2021-10-24 11:16:11,278 INFO L857 garLoopResultBuilder]: For program point L901-2(lines 901 907) no Hoare annotation was computed. [2021-10-24 11:16:11,278 INFO L857 garLoopResultBuilder]: For program point L901-4(lines 901 907) no Hoare annotation was computed. [2021-10-24 11:16:11,278 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-24 11:16:11,279 INFO L857 garLoopResultBuilder]: For program point L1001(lines 1001 1008) no Hoare annotation was computed. [2021-10-24 11:16:11,279 INFO L860 garLoopResultBuilder]: At program point L1001-1(lines 1001 1008) the Hoare annotation is: true [2021-10-24 11:16:11,279 INFO L853 garLoopResultBuilder]: At program point L473(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,279 INFO L853 garLoopResultBuilder]: At program point L473-1(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,279 INFO L853 garLoopResultBuilder]: At program point L473-2(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,280 INFO L853 garLoopResultBuilder]: At program point L473-3(lines 458 476) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3 .cse1 .cse2))) [2021-10-24 11:16:11,280 INFO L853 garLoopResultBuilder]: At program point L473-4(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,280 INFO L853 garLoopResultBuilder]: At program point L473-5(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,280 INFO L853 garLoopResultBuilder]: At program point L473-6(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,280 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 255) no Hoare annotation was computed. [2021-10-24 11:16:11,280 INFO L853 garLoopResultBuilder]: At program point L473-7(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,281 INFO L853 garLoopResultBuilder]: At program point L473-8(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,281 INFO L853 garLoopResultBuilder]: At program point L473-9(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,281 INFO L853 garLoopResultBuilder]: At program point L473-10(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,281 INFO L853 garLoopResultBuilder]: At program point L473-11(lines 458 476) the Hoare annotation is: false [2021-10-24 11:16:11,281 INFO L853 garLoopResultBuilder]: At program point L409(lines 402 412) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-24 11:16:11,281 INFO L853 garLoopResultBuilder]: At program point L409-1(lines 402 412) the Hoare annotation is: false [2021-10-24 11:16:11,282 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 351) no Hoare annotation was computed. [2021-10-24 11:16:11,282 INFO L853 garLoopResultBuilder]: At program point L409-2(lines 402 412) the Hoare annotation is: false [2021-10-24 11:16:11,282 INFO L857 garLoopResultBuilder]: For program point L343-1(lines 343 351) no Hoare annotation was computed. [2021-10-24 11:16:11,282 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 343 351) no Hoare annotation was computed. [2021-10-24 11:16:11,282 INFO L857 garLoopResultBuilder]: For program point L343-3(lines 343 351) no Hoare annotation was computed. [2021-10-24 11:16:11,282 INFO L857 garLoopResultBuilder]: For program point L343-4(lines 343 351) no Hoare annotation was computed. [2021-10-24 11:16:11,283 INFO L857 garLoopResultBuilder]: For program point L343-5(lines 343 351) no Hoare annotation was computed. [2021-10-24 11:16:11,283 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,283 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,283 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,283 INFO L857 garLoopResultBuilder]: For program point L179-3(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,283 INFO L857 garLoopResultBuilder]: For program point L179-4(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,284 INFO L857 garLoopResultBuilder]: For program point L179-5(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,284 INFO L857 garLoopResultBuilder]: For program point L179-6(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,284 INFO L857 garLoopResultBuilder]: For program point L179-7(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,284 INFO L857 garLoopResultBuilder]: For program point L179-8(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,284 INFO L857 garLoopResultBuilder]: For program point L179-9(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,284 INFO L857 garLoopResultBuilder]: For program point L179-10(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,285 INFO L857 garLoopResultBuilder]: For program point L179-11(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:16:11,285 INFO L857 garLoopResultBuilder]: For program point L213(lines 212 259) no Hoare annotation was computed. [2021-10-24 11:16:11,285 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-24 11:16:11,285 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,285 INFO L857 garLoopResultBuilder]: For program point L313-1(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,285 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,286 INFO L857 garLoopResultBuilder]: For program point L214(lines 214 218) no Hoare annotation was computed. [2021-10-24 11:16:11,286 INFO L857 garLoopResultBuilder]: For program point L313-3(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,286 INFO L857 garLoopResultBuilder]: For program point L313-4(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,286 INFO L857 garLoopResultBuilder]: For program point L313-5(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,286 INFO L857 garLoopResultBuilder]: For program point L313-6(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,286 INFO L857 garLoopResultBuilder]: For program point L313-7(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,286 INFO L857 garLoopResultBuilder]: For program point L313-8(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,287 INFO L857 garLoopResultBuilder]: For program point L313-9(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,287 INFO L857 garLoopResultBuilder]: For program point L313-10(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,287 INFO L857 garLoopResultBuilder]: For program point L313-11(lines 313 330) no Hoare annotation was computed. [2021-10-24 11:16:11,287 INFO L853 garLoopResultBuilder]: At program point L281(lines 280 299) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not .cse7))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse2) (and .cse0 .cse4 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2) (and .cse0 .cse7 .cse3) (and .cse0 (bvslt ~waterLevel~0 (_ bv2 32)) .cse6 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2)))) [2021-10-24 11:16:11,287 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2021-10-24 11:16:11,287 INFO L857 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2021-10-24 11:16:11,288 INFO L853 garLoopResultBuilder]: At program point L248-1(lines 281 287) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not .cse5))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse2 .cse7 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse4)))) [2021-10-24 11:16:11,288 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 280 299) the Hoare annotation is: false [2021-10-24 11:16:11,288 INFO L853 garLoopResultBuilder]: At program point L281-3(lines 280 299) the Hoare annotation is: false [2021-10-24 11:16:11,288 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:16:11,288 INFO L853 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,289 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,289 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,289 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 175 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (bvslt ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3))) [2021-10-24 11:16:11,289 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,289 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,289 INFO L853 garLoopResultBuilder]: At program point L184-6(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,290 INFO L860 garLoopResultBuilder]: At program point L1010(lines 991 1013) the Hoare annotation is: true [2021-10-24 11:16:11,290 INFO L853 garLoopResultBuilder]: At program point L977(lines 973 979) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:16:11,290 INFO L853 garLoopResultBuilder]: At program point L184-7(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,290 INFO L853 garLoopResultBuilder]: At program point L184-8(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,290 INFO L853 garLoopResultBuilder]: At program point L184-9(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,290 INFO L853 garLoopResultBuilder]: At program point L184-10(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,291 INFO L853 garLoopResultBuilder]: At program point L184-11(lines 175 188) the Hoare annotation is: false [2021-10-24 11:16:11,291 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:16:11,291 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,291 INFO L857 garLoopResultBuilder]: For program point L317-1(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,291 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,291 INFO L857 garLoopResultBuilder]: For program point L317-3(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,291 INFO L857 garLoopResultBuilder]: For program point L317-4(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,292 INFO L857 garLoopResultBuilder]: For program point L317-5(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,292 INFO L857 garLoopResultBuilder]: For program point L317-6(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,292 INFO L857 garLoopResultBuilder]: For program point L317-7(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,292 INFO L857 garLoopResultBuilder]: For program point L317-8(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,292 INFO L857 garLoopResultBuilder]: For program point L317-9(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,292 INFO L857 garLoopResultBuilder]: For program point L317-10(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,293 INFO L857 garLoopResultBuilder]: For program point L317-11(lines 317 325) no Hoare annotation was computed. [2021-10-24 11:16:11,293 INFO L853 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (not .cse6)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse5)))) [2021-10-24 11:16:11,293 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-10-24 11:16:11,293 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-10-24 11:16:11,293 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,293 INFO L857 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,294 INFO L857 garLoopResultBuilder]: For program point L486-3(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,294 INFO L857 garLoopResultBuilder]: For program point L486-5(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,294 INFO L853 garLoopResultBuilder]: At program point L288(lines 288 294) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (not .cse6))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse5 .cse2) (and .cse0 .cse6 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2)))) [2021-10-24 11:16:11,294 INFO L857 garLoopResultBuilder]: For program point L486-6(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,294 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 288 294) the Hoare annotation is: false [2021-10-24 11:16:11,294 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 228) no Hoare annotation was computed. [2021-10-24 11:16:11,295 INFO L857 garLoopResultBuilder]: For program point L486-8(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,295 INFO L853 garLoopResultBuilder]: At program point L288-2(lines 288 294) the Hoare annotation is: false [2021-10-24 11:16:11,295 INFO L853 garLoopResultBuilder]: At program point L222-1(lines 222 228) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9) .cse4) (and .cse0 .cse5 .cse6 .cse4 .cse7) (and .cse0 .cse5 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse8 .cse5 .cse7)))) [2021-10-24 11:16:11,295 INFO L857 garLoopResultBuilder]: For program point L486-9(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,295 INFO L857 garLoopResultBuilder]: For program point L486-11(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,295 INFO L857 garLoopResultBuilder]: For program point L486-12(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,295 INFO L857 garLoopResultBuilder]: For program point L486-14(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,296 INFO L857 garLoopResultBuilder]: For program point L486-15(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,296 INFO L857 garLoopResultBuilder]: For program point L486-17(lines 486 490) no Hoare annotation was computed. [2021-10-24 11:16:11,296 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:16:11,296 INFO L853 garLoopResultBuilder]: At program point L885(lines 880 887) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:16:11,296 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-24 11:16:11,296 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:16:11,297 INFO L857 garLoopResultBuilder]: For program point L1019(line 1019) no Hoare annotation was computed. [2021-10-24 11:16:11,297 INFO L857 garLoopResultBuilder]: For program point L1019-1(line 1019) no Hoare annotation was computed. [2021-10-24 11:16:11,297 INFO L857 garLoopResultBuilder]: For program point L1019-2(line 1019) no Hoare annotation was computed. [2021-10-24 11:16:11,297 INFO L853 garLoopResultBuilder]: At program point L260(lines 211 261) the Hoare annotation is: false [2021-10-24 11:16:11,297 INFO L853 garLoopResultBuilder]: At program point L194(lines 189 197) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 11:16:11,297 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 189 197) the Hoare annotation is: false [2021-10-24 11:16:11,298 INFO L853 garLoopResultBuilder]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2021-10-24 11:16:11,298 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 189 197) the Hoare annotation is: false [2021-10-24 11:16:11,298 INFO L853 garLoopResultBuilder]: At program point L194-4(lines 189 197) the Hoare annotation is: false [2021-10-24 11:16:11,298 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 189 197) the Hoare annotation is: false [2021-10-24 11:16:11,298 INFO L853 garLoopResultBuilder]: At program point L492(lines 477 495) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 11:16:11,298 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 477 495) the Hoare annotation is: false [2021-10-24 11:16:11,299 INFO L853 garLoopResultBuilder]: At program point L492-2(lines 477 495) the Hoare annotation is: false [2021-10-24 11:16:11,299 INFO L853 garLoopResultBuilder]: At program point L492-3(lines 477 495) the Hoare annotation is: false [2021-10-24 11:16:11,299 INFO L853 garLoopResultBuilder]: At program point L492-4(lines 477 495) the Hoare annotation is: false [2021-10-24 11:16:11,299 INFO L853 garLoopResultBuilder]: At program point L492-5(lines 477 495) the Hoare annotation is: false [2021-10-24 11:16:11,299 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:16:11,299 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2021-10-24 11:16:11,300 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-10-24 11:16:11,300 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 232 238) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not .cse7))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse7 .cse2 .cse5) (and .cse0 .cse1 .cse6 .cse4)))) [2021-10-24 11:16:11,300 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 382) no Hoare annotation was computed. [2021-10-24 11:16:11,300 INFO L857 garLoopResultBuilder]: For program point L365-1(lines 365 382) no Hoare annotation was computed. [2021-10-24 11:16:11,300 INFO L857 garLoopResultBuilder]: For program point L365-2(lines 365 382) no Hoare annotation was computed. [2021-10-24 11:16:11,305 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:16:11,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:16:11 BoogieIcfgContainer [2021-10-24 11:16:11,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:16:11,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:16:11,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:16:11,335 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:16:11,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:15:43" (3/4) ... [2021-10-24 11:16:11,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:16:11,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:16:11,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:16:11,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:16:11,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:16:11,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:16:11,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:16:11,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:16:11,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:16:11,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:16:11,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 11:16:11,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 11:16:11,399 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 11:16:11,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:16:11,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 11:16:11,402 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 11:16:11,402 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 11:16:11,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:16:11,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:16:11,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-24 11:16:11,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) [2021-10-24 11:16:11,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:16:11,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:16:11,485 INFO L168 Benchmark]: Toolchain (without parser) took 31341.54 ms. Allocated memory was 62.9 MB in the beginning and 161.5 MB in the end (delta: 98.6 MB). Free memory was 41.9 MB in the beginning and 126.0 MB in the end (delta: -84.1 MB). Peak memory consumption was 101.0 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,485 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:16:11,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.27 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 29.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.59 ms. Allocated memory is still 62.9 MB. Free memory was 29.1 MB in the beginning and 42.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,486 INFO L168 Benchmark]: Boogie Preprocessor took 150.88 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 38.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,487 INFO L168 Benchmark]: RCFGBuilder took 2672.85 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 38.4 MB in the beginning and 39.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,487 INFO L168 Benchmark]: TraceAbstraction took 27464.57 ms. Allocated memory was 81.8 MB in the beginning and 161.5 MB in the end (delta: 79.7 MB). Free memory was 39.0 MB in the beginning and 48.4 MB in the end (delta: -9.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,487 INFO L168 Benchmark]: Witness Printer took 148.87 ms. Allocated memory is still 161.5 MB. Free memory was 48.4 MB in the beginning and 126.0 MB in the end (delta: -77.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,489 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 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 751.27 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 29.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 146.59 ms. Allocated memory is still 62.9 MB. Free memory was 29.1 MB in the beginning and 42.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 150.88 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 38.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2672.85 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 38.4 MB in the beginning and 39.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27464.57 ms. Allocated memory was 81.8 MB in the beginning and 161.5 MB in the end (delta: 79.7 MB). Free memory was 39.0 MB in the beginning and 48.4 MB in the end (delta: -9.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 16.1 GB. * Witness Printer took 148.87 ms. Allocated memory is still 161.5 MB. Free memory was 48.4 MB in the beginning and 126.0 MB in the end (delta: -77.6 MB). Peak memory consumption was 9.5 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: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: 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, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27353.8ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 37.5ms, AutomataDifference: 7970.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 9543.2ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1677 SDtfs, 1952 SDslu, 2752 SDs, 0 SdLazy, 337 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6927.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 932 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 319.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=10, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 378.9ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1209 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 376 NumberOfFragments, 1020 HoareAnnotationTreeSize, 69 FomulaSimplifications, 326929 FormulaSimplificationTreeSizeReduction, 2410.8ms HoareSimplificationTime, 69 FomulaSimplificationsInter, 540966 FormulaSimplificationTreeSizeReductionInter, 7112.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 289.3ms SsaConstructionTime, 1479.0ms SatisfiabilityAnalysisTime, 3112.9ms InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 1664 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2824 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 134/134 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: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 0bv32) && methAndRunningLastTime == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:16:11,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51aadc23-6063-46b3-a11a-6f0b13bf403f/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...