./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8 --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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:16:31,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:16:31,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:16:31,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:16:31,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:16:31,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:16:31,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:16:31,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:16:31,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:16:31,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:16:31,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:16:31,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:16:31,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:16:31,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:16:31,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:16:31,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:16:31,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:16:31,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:16:31,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:16:31,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:16:31,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:16:31,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:16:31,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:16:31,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:16:31,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:16:31,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:16:31,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:16:31,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:16:31,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:16:31,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:16:31,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:16:31,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:16:31,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:16:31,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:16:31,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:16:31,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:16:31,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:16:31,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:16:31,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:16:31,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:16:31,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:16:31,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:16:31,661 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:16:31,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:16:31,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:16:31,663 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:16:31,663 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:16:31,663 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:16:31,664 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:16:31,664 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:16:31,664 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:16:31,665 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:16:31,665 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:16:31,665 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:16:31,665 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:16:31,666 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:16:31,666 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:16:31,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:16:31,667 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:16:31,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:16:31,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:16:31,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:16:31,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:16:31,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:16:31,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:16:31,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:16:31,669 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:16:31,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:16:31,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:16:31,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:16:31,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:16:31,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:16:31,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:16:31,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:16:31,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:16:31,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:16:31,672 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:16:31,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:16:31,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:16:31,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:16:31,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:16:31,674 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_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2021-11-07 01:16:31,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:16:32,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:16:32,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:16:32,004 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:16:32,005 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:16:32,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-11-07 01:16:32,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/ff769669e/178e420fe314435299603edc029c4c9a/FLAGc2ce11d3d [2021-11-07 01:16:32,631 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:16:32,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-11-07 01:16:32,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/ff769669e/178e420fe314435299603edc029c4c9a/FLAGc2ce11d3d [2021-11-07 01:16:32,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/ff769669e/178e420fe314435299603edc029c4c9a [2021-11-07 01:16:32,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:16:32,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:16:32,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:32,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:16:32,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:16:32,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:32" (1/1) ... [2021-11-07 01:16:32,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e7e3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:32, skipping insertion in model container [2021-11-07 01:16:32,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:32" (1/1) ... [2021-11-07 01:16:32,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:16:33,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:16:33,259 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_405cf81b-a986-4b4c-8f48-7537c274a693/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-11-07 01:16:33,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:16:33,370 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) [2021-11-07 01:16:33,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1598cb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:33, skipping insertion in model container [2021-11-07 01:16:33,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:33,371 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:16:33,374 INFO L168 Benchmark]: Toolchain (without parser) took 450.28 ms. Allocated memory is still 98.6 MB. Free memory was 58.6 MB in the beginning and 71.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:33,375 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:16:33,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.59 ms. Allocated memory is still 98.6 MB. Free memory was 58.4 MB in the beginning and 71.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:33,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.59 ms. Allocated memory is still 98.6 MB. Free memory was 58.4 MB in the beginning and 71.3 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 521]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8 --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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:16:35,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:16:35,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:16:35,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:16:35,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:16:35,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:16:35,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:16:35,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:16:35,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:16:35,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:16:35,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:16:35,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:16:35,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:16:35,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:16:35,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:16:35,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:16:35,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:16:35,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:16:35,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:16:35,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:16:35,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:16:35,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:16:35,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:16:35,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:16:35,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:16:35,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:16:35,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:16:35,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:16:35,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:16:35,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:16:35,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:16:35,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:16:35,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:16:35,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:16:35,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:16:35,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:16:35,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:16:35,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:16:36,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:16:36,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:16:36,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:16:36,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:16:36,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:16:36,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:16:36,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:16:36,045 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:16:36,046 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:16:36,046 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:16:36,046 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:16:36,046 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:16:36,046 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:16:36,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:16:36,047 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:16:36,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:16:36,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:16:36,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:16:36,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:16:36,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:16:36,049 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:16:36,049 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:16:36,049 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:16:36,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:16:36,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:16:36,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:16:36,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:16:36,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:16:36,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:16:36,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:16:36,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:16:36,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:16:36,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:16:36,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:16:36,054 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:16:36,054 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:16:36,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:16:36,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:16:36,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:16:36,055 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_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2021-11-07 01:16:36,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:16:36,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:16:36,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:16:36,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:16:36,583 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:16:36,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-11-07 01:16:36,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/6130d49f6/42b468fb9efd48239bdf9f134d7b3203/FLAGb8f962a1a [2021-11-07 01:16:37,447 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:16:37,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-11-07 01:16:37,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/6130d49f6/42b468fb9efd48239bdf9f134d7b3203/FLAGb8f962a1a [2021-11-07 01:16:37,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/data/6130d49f6/42b468fb9efd48239bdf9f134d7b3203 [2021-11-07 01:16:37,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:16:37,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:16:37,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:37,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:16:37,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:16:37,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:37" (1/1) ... [2021-11-07 01:16:37,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e2a08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:37, skipping insertion in model container [2021-11-07 01:16:37,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:16:37" (1/1) ... [2021-11-07 01:16:37,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:16:37,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:16:38,145 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_405cf81b-a986-4b4c-8f48-7537c274a693/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-11-07 01:16:38,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:16:38,268 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:16:38,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:16:38,316 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_405cf81b-a986-4b4c-8f48-7537c274a693/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-11-07 01:16:38,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:16:38,376 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:16:38,406 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_405cf81b-a986-4b4c-8f48-7537c274a693/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-11-07 01:16:38,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:16:38,471 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:16:38,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38 WrapperNode [2021-11-07 01:16:38,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:16:38,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:16:38,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:16:38,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:16:38,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:16:38,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:16:38,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:16:38,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:16:38,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:16:38,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:16:38,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:16:38,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:16:38,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (1/1) ... [2021-11-07 01:16:38,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:16:38,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:16:38,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:16:38,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:16:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:16:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:16:38,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:16:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:16:41,564 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:16:41,565 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-07 01:16:41,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:16:41 BoogieIcfgContainer [2021-11-07 01:16:41,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:16:41,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:16:41,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:16:41,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:16:41,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:16:37" (1/3) ... [2021-11-07 01:16:41,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2059bc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:16:41, skipping insertion in model container [2021-11-07 01:16:41,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:16:38" (2/3) ... [2021-11-07 01:16:41,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2059bc4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:16:41, skipping insertion in model container [2021-11-07 01:16:41,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:16:41" (3/3) ... [2021-11-07 01:16:41,577 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2021-11-07 01:16:41,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:16:41,584 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:16:41,642 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:16:41,649 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 [2021-11-07 01:16:41,649 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:16:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-11-07 01:16:41,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:16:41,671 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:41,672 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:16:41,673 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:16:41,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:41,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2021-11-07 01:16:41,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:41,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127008712] [2021-11-07 01:16:41,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:41,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:41,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:41,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:41,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:16:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:41,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:16:41,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:42,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:42,164 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:42,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127008712] [2021-11-07 01:16:42,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127008712] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:42,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:42,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:16:42,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494672305] [2021-11-07 01:16:42,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:16:42,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:42,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:16:42,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:16:42,199 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-11-07 01:16:42,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:42,240 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2021-11-07 01:16:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:16:42,242 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 [2021-11-07 01:16:42,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:42,253 INFO L225 Difference]: With dead ends: 120 [2021-11-07 01:16:42,253 INFO L226 Difference]: Without dead ends: 59 [2021-11-07 01:16:42,257 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:16:42,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-11-07 01:16:42,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-11-07 01:16:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 58 states have internal predecessors, (81), 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) [2021-11-07 01:16:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-11-07 01:16:42,293 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2021-11-07 01:16:42,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:42,293 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-11-07 01:16:42,294 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) [2021-11-07 01:16:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2021-11-07 01:16:42,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:16:42,295 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:42,296 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:16:42,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:42,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:42,510 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:16:42,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:42,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2021-11-07 01:16:42,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:42,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805171796] [2021-11-07 01:16:42,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:42,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:42,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:42,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:42,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:16:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:42,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:16:42,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:42,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:42,975 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:42,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805171796] [2021-11-07 01:16:42,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805171796] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:42,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:42,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:16:42,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214621715] [2021-11-07 01:16:42,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:16:42,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:42,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:16:42,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:16:42,988 INFO L87 Difference]: Start difference. First operand 59 states and 81 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) [2021-11-07 01:16:43,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:43,018 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2021-11-07 01:16:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:16:43,019 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 [2021-11-07 01:16:43,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:43,021 INFO L225 Difference]: With dead ends: 59 [2021-11-07 01:16:43,022 INFO L226 Difference]: Without dead ends: 29 [2021-11-07 01:16:43,024 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:16:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-07 01:16:43,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-07 01:16:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:16:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-11-07 01:16:43,045 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-11-07 01:16:43,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:43,046 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-11-07 01:16:43,047 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) [2021-11-07 01:16:43,047 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-11-07 01:16:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:16:43,050 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:43,051 INFO L513 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] [2021-11-07 01:16:43,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:43,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:43,272 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:16:43,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:43,273 INFO L85 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2021-11-07 01:16:43,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:43,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423029104] [2021-11-07 01:16:43,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:43,274 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:43,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:43,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:43,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:16:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:43,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:16:43,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:43,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:43,873 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:16:43,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423029104] [2021-11-07 01:16:43,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423029104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:16:43,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:16:43,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:16:43,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611539226] [2021-11-07 01:16:43,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:16:43,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:16:43,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:16:43,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:16:43,882 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-11-07 01:16:44,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:44,224 INFO L93 Difference]: Finished difference Result 244 states and 381 transitions. [2021-11-07 01:16:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:16:44,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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 [2021-11-07 01:16:44,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:44,233 INFO L225 Difference]: With dead ends: 244 [2021-11-07 01:16:44,233 INFO L226 Difference]: Without dead ends: 221 [2021-11-07 01:16:44,235 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:16:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-07 01:16:44,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 66. [2021-11-07 01:16:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 65 states have internal predecessors, (94), 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) [2021-11-07 01:16:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2021-11-07 01:16:44,269 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 24 [2021-11-07 01:16:44,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:44,270 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2021-11-07 01:16:44,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 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) [2021-11-07 01:16:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2021-11-07 01:16:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:16:44,274 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:44,274 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:16:44,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:44,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:44,492 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:16:44,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:44,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2021-11-07 01:16:44,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:16:44,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870043838] [2021-11-07 01:16:44,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:44,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:16:44,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:16:44,496 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:16:44,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:16:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:16:45,784 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:16:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:16:47,113 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:16:47,113 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:16:47,115 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:16:47,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:16:47,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:16:47,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:47,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:16:47,341 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 01:16:47,345 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:16:47,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:16:47 BoogieIcfgContainer [2021-11-07 01:16:47,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:16:47,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:16:47,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:16:47,526 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:16:47,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:16:41" (3/4) ... [2021-11-07 01:16:47,529 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:16:47,646 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:16:47,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:16:47,648 INFO L168 Benchmark]: Toolchain (without parser) took 9936.44 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 31.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:47,649 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:16:47,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.68 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 32.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:47,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.86 ms. Allocated memory is still 62.9 MB. Free memory was 32.7 MB in the beginning and 29.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:47,651 INFO L168 Benchmark]: Boogie Preprocessor took 99.98 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 27.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:47,651 INFO L168 Benchmark]: RCFGBuilder took 2909.90 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 27.7 MB in the beginning and 48.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:47,652 INFO L168 Benchmark]: TraceAbstraction took 5955.36 ms. Allocated memory is still 81.8 MB. Free memory was 48.2 MB in the beginning and 42.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:47,652 INFO L168 Benchmark]: Witness Printer took 121.37 ms. Allocated memory is still 81.8 MB. Free memory was 41.9 MB in the beginning and 31.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:16:47,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 44.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 758.68 ms. Allocated memory is still 62.9 MB. Free memory was 42.7 MB in the beginning and 32.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.86 ms. Allocated memory is still 62.9 MB. Free memory was 32.7 MB in the beginning and 29.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.98 ms. Allocated memory is still 62.9 MB. Free memory was 29.8 MB in the beginning and 27.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2909.90 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 27.7 MB in the beginning and 48.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5955.36 ms. Allocated memory is still 81.8 MB. Free memory was 48.2 MB in the beginning and 42.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Witness Printer took 121.37 ms. Allocated memory is still 81.8 MB. Free memory was 41.9 MB in the beginning and 31.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 312]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L187] tmp = __VERIFIER_nondet_int() [L189] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L66] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] tmp___0 = getWaterLevel() [L289] COND TRUE tmp___0 == 2 [L121] int retValue_acc ; [L124] retValue_acc = pumpRunning [L125] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L291] tmp___1 = isPumpRunning() [L293] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 312]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 312]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 317 SDslu, 456 SDs, 0 SdLazy, 93 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 155 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 4 NumberOfNonLiveVariables, 589 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-07 01:16:47,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405cf81b-a986-4b4c-8f48-7537c274a693/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE