./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8 --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 f92aef55fa426b86704369eb7f8ab70f879f200b ............................................................................................................................................ 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_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8 --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 f92aef55fa426b86704369eb7f8ab70f879f200b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:31:16,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:31:16,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:31:16,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:31:16,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:31:16,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:31:16,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:31:16,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:31:16,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:31:16,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:31:16,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:31:16,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:31:16,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:31:16,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:31:16,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:31:16,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:31:16,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:31:16,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:31:16,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:31:16,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:31:16,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:31:16,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:31:16,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:31:16,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:31:16,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:31:16,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:31:16,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:31:16,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:31:16,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:31:16,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:31:16,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:31:16,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:31:16,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:31:16,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:31:16,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:31:16,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:31:16,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:31:16,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:31:16,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:31:16,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:31:16,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:31:16,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:31:17,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:31:17,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:31:17,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:31:17,052 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:31:17,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:31:17,053 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:31:17,053 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:31:17,053 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:31:17,061 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:31:17,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:31:17,063 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:31:17,064 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:31:17,064 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:31:17,064 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:31:17,065 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:31:17,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:31:17,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:31:17,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:31:17,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:31:17,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:31:17,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:31:17,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:31:17,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:31:17,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:31:17,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:31:17,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:31:17,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:31:17,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:31:17,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:31:17,072 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:31:17,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:31:17,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:31:17,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:31:17,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:31:17,074 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:31:17,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:31:17,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:31:17,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:31:17,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:31:17,075 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_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92aef55fa426b86704369eb7f8ab70f879f200b [2021-10-13 07:31:17,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:31:17,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:31:17,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:31:17,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:31:17,482 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:31:17,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-13 07:31:17,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/b09302995/a19aef7a9c6f4b6eb8f4b65090e6a134/FLAG6ec6c51d8 [2021-10-13 07:31:18,244 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:31:18,245 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-13 07:31:18,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/b09302995/a19aef7a9c6f4b6eb8f4b65090e6a134/FLAG6ec6c51d8 [2021-10-13 07:31:18,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/b09302995/a19aef7a9c6f4b6eb8f4b65090e6a134 [2021-10-13 07:31:18,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:31:18,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:31:18,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:18,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:31:18,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:31:18,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:18" (1/1) ... [2021-10-13 07:31:18,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a300030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:18, skipping insertion in model container [2021-10-13 07:31:18,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:18" (1/1) ... [2021-10-13 07:31:18,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:31:18,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:31:18,848 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_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1281,1294] [2021-10-13 07:31:18,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:31:19,012 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) [2021-10-13 07:31:19,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@482d0d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:19, skipping insertion in model container [2021-10-13 07:31:19,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:19,013 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:31:19,016 INFO L168 Benchmark]: Toolchain (without parser) took 442.34 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 58.0 MB in the beginning and 85.5 MB in the end (delta: -27.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:19,017 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:31:19,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.09 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 57.8 MB in the beginning and 85.5 MB in the end (delta: -27.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:19,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 94.4 MB. Free memory was 66.4 MB in the beginning and 66.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 439.09 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 57.8 MB in the beginning and 85.5 MB in the end (delta: -27.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 527]: 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-4e77c04 [2021-10-13 07:31:21,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:31:21,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:31:21,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:31:21,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:31:21,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:31:21,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:31:21,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:31:21,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:31:21,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:31:21,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:31:21,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:31:21,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:31:21,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:31:21,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:31:21,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:31:21,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:31:21,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:31:21,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:31:21,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:31:21,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:31:21,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:31:21,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:31:21,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:31:21,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:31:21,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:31:21,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:31:21,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:31:21,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:31:21,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:31:21,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:31:21,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:31:21,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:31:21,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:31:21,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:31:21,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:31:21,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:31:21,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:31:21,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:31:21,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:31:21,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:31:21,980 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:31:22,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:31:22,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:31:22,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:31:22,034 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:31:22,035 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:31:22,035 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:31:22,035 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:31:22,035 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:31:22,036 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:31:22,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:31:22,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:31:22,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:31:22,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:31:22,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:31:22,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:31:22,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:31:22,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:31:22,041 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:31:22,041 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:31:22,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:31:22,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:31:22,042 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:31:22,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:31:22,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:31:22,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:31:22,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:31:22,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:31:22,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:31:22,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:31:22,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:31:22,044 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:31:22,045 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:31:22,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:31:22,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:31:22,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:31:22,046 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_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f92aef55fa426b86704369eb7f8ab70f879f200b [2021-10-13 07:31:22,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:31:22,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:31:22,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:31:22,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:31:22,527 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:31:22,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-13 07:31:22,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/08a92bf23/ffd196860a7843fa95b4cee054e3bf52/FLAG2d4be1f1a [2021-10-13 07:31:23,205 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:31:23,206 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2021-10-13 07:31:23,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/08a92bf23/ffd196860a7843fa95b4cee054e3bf52/FLAG2d4be1f1a [2021-10-13 07:31:23,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/data/08a92bf23/ffd196860a7843fa95b4cee054e3bf52 [2021-10-13 07:31:23,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:31:23,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:31:23,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:23,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:31:23,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:31:23,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:23" (1/1) ... [2021-10-13 07:31:23,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57aa3ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:23, skipping insertion in model container [2021-10-13 07:31:23,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:23" (1/1) ... [2021-10-13 07:31:23,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:31:23,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:31:23,853 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_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1281,1294] [2021-10-13 07:31:24,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:31:24,182 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:31:24,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:31:24,216 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_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1281,1294] [2021-10-13 07:31:24,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:31:24,350 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:31:24,375 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_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1281,1294] [2021-10-13 07:31:24,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:31:24,464 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:31:24,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24 WrapperNode [2021-10-13 07:31:24,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:31:24,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:31:24,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:31:24,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:31:24,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:31:24,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:31:24,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:31:24,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:31:24,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:31:24,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:31:24,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:31:24,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:31:24,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (1/1) ... [2021-10-13 07:31:24,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:31:24,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:31:24,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:31:24,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:31:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:31:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:31:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:31:24,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:31:27,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:31:27,483 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-13 07:31:27,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:27 BoogieIcfgContainer [2021-10-13 07:31:27,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:31:27,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:31:27,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:31:27,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:31:27,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:31:23" (1/3) ... [2021-10-13 07:31:27,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6888a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:27, skipping insertion in model container [2021-10-13 07:31:27,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:24" (2/3) ... [2021-10-13 07:31:27,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6888a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:27, skipping insertion in model container [2021-10-13 07:31:27,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:27" (3/3) ... [2021-10-13 07:31:27,499 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2021-10-13 07:31:27,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:31:27,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:31:27,583 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:31:27,593 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:31:27,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:31:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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) [2021-10-13 07:31:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:31:27,634 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:31:27,635 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:31:27,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:31:27,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:31:27,643 INFO L82 PathProgramCache]: Analyzing trace with hash -760561614, now seen corresponding path program 1 times [2021-10-13 07:31:27,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:31:27,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952156022] [2021-10-13 07:31:27,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:31:27,667 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:31:27,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:31:27,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:31:27,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:31:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:31:27,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:31:27,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:31:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:28,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:31:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:28,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:31:28,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952156022] [2021-10-13 07:31:28,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952156022] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:31:28,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:31:28,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:31:28,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450925092] [2021-10-13 07:31:28,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:31:28,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:31:28,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:31:28,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:31:28,290 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:31:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:31:28,321 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-13 07:31:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:31:28,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 07:31:28,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:31:28,335 INFO L225 Difference]: With dead ends: 148 [2021-10-13 07:31:28,336 INFO L226 Difference]: Without dead ends: 73 [2021-10-13 07:31:28,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:31:28,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-13 07:31:28,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-13 07:31:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 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) [2021-10-13 07:31:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-13 07:31:28,393 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-13 07:31:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:31:28,394 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-13 07:31:28,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:31:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-13 07:31:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:31:28,396 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:31:28,397 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:31:28,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:31:28,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:31:28,598 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:31:28,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:31:28,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1807318511, now seen corresponding path program 1 times [2021-10-13 07:31:28,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:31:28,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412430125] [2021-10-13 07:31:28,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:31:28,601 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:31:28,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:31:28,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:31:28,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:31:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:31:28,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:31:28,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:31:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:29,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:31:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:29,098 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:31:29,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412430125] [2021-10-13 07:31:29,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412430125] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:31:29,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:31:29,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:31:29,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477262445] [2021-10-13 07:31:29,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:31:29,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:31:29,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:31:29,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:31:29,109 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:31:29,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:31:29,149 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-13 07:31:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:31:29,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 07:31:29,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:31:29,153 INFO L225 Difference]: With dead ends: 73 [2021-10-13 07:31:29,154 INFO L226 Difference]: Without dead ends: 35 [2021-10-13 07:31:29,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:31:29,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-13 07:31:29,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-13 07:31:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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) [2021-10-13 07:31:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-13 07:31:29,170 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-13 07:31:29,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:31:29,171 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-13 07:31:29,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:31:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-13 07:31:29,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:31:29,175 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:31:29,175 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:31:29,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:31:29,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:31:29,392 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:31:29,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:31:29,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1208826733, now seen corresponding path program 1 times [2021-10-13 07:31:29,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:31:29,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7202796] [2021-10-13 07:31:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:31:29,395 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:31:29,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:31:29,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:31:29,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:31:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:31:29,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:31:29,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:31:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:29,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:31:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:29,756 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:31:29,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7202796] [2021-10-13 07:31:29,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7202796] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:31:29,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:31:29,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:31:29,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592191600] [2021-10-13 07:31:29,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:31:29,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:31:29,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:31:29,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:31:29,761 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-13 07:31:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:31:29,866 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-13 07:31:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:31:29,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 07:31:29,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:31:29,868 INFO L225 Difference]: With dead ends: 116 [2021-10-13 07:31:29,868 INFO L226 Difference]: Without dead ends: 87 [2021-10-13 07:31:29,869 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:31:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-13 07:31:29,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-13 07:31:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 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) [2021-10-13 07:31:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-13 07:31:29,894 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-13 07:31:29,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:31:29,895 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-13 07:31:29,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-13 07:31:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-13 07:31:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 07:31:29,900 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:31:29,900 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:31:29,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:31:30,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:31:30,116 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:31:30,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:31:30,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2134348466, now seen corresponding path program 1 times [2021-10-13 07:31:30,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:31:30,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740502600] [2021-10-13 07:31:30,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:31:30,119 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:31:30,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:31:30,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:31:30,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:31:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:31:30,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:31:30,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:31:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:30,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:31:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:30,618 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:31:30,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740502600] [2021-10-13 07:31:30,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740502600] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:31:30,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:31:30,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-13 07:31:30,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940500046] [2021-10-13 07:31:30,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:31:30,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:31:30,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:31:30,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:31:30,625 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:31:30,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:31:30,750 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2021-10-13 07:31:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:31:30,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 07:31:30,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:31:30,754 INFO L225 Difference]: With dead ends: 256 [2021-10-13 07:31:30,754 INFO L226 Difference]: Without dead ends: 208 [2021-10-13 07:31:30,755 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 53.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:31:30,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-13 07:31:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2021-10-13 07:31:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 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) [2021-10-13 07:31:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2021-10-13 07:31:30,777 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2021-10-13 07:31:30,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:31:30,778 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2021-10-13 07:31:30,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:31:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2021-10-13 07:31:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 07:31:30,780 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:31:30,780 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] [2021-10-13 07:31:30,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:31:30,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:31:30,996 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:31:30,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:31:30,997 INFO L82 PathProgramCache]: Analyzing trace with hash -207760452, now seen corresponding path program 1 times [2021-10-13 07:31:30,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:31:30,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913056581] [2021-10-13 07:31:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:31:30,998 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:31:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:31:31,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:31:31,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:31:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:31:31,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:31:31,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:31:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:31,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:31:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:31:31,452 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:31:31,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913056581] [2021-10-13 07:31:31,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913056581] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:31:31,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:31:31,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:31:31,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016417740] [2021-10-13 07:31:31,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:31:31,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:31:31,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:31:31,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:31:31,469 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-13 07:31:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:31:31,603 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2021-10-13 07:31:31,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:31:31,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 [2021-10-13 07:31:31,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:31:31,605 INFO L225 Difference]: With dead ends: 286 [2021-10-13 07:31:31,605 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:31:31,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:31:31,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:31:31,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:31:31,610 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) [2021-10-13 07:31:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:31:31,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-13 07:31:31,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:31:31,611 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:31:31,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-13 07:31:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:31:31,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:31:31,615 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:31:31,616 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:31:31,616 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:31:31,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-13 07:31:31,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:31:31,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:31:31,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:31,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:31:32,245 INFO L853 garLoopResultBuilder]: At program point L217(lines 166 218) the Hoare annotation is: false [2021-10-13 07:31:32,245 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:31:32,246 INFO L857 garLoopResultBuilder]: For program point L168(lines 167 216) no Hoare annotation was computed. [2021-10-13 07:31:32,246 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 420) no Hoare annotation was computed. [2021-10-13 07:31:32,246 INFO L853 garLoopResultBuilder]: At program point L895(lines 890 898) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,246 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:31:32,246 INFO L857 garLoopResultBuilder]: For program point L416-3(lines 416 420) no Hoare annotation was computed. [2021-10-13 07:31:32,246 INFO L857 garLoopResultBuilder]: For program point L416-6(lines 416 420) no Hoare annotation was computed. [2021-10-13 07:31:32,247 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2021-10-13 07:31:32,247 INFO L857 garLoopResultBuilder]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2021-10-13 07:31:32,247 INFO L857 garLoopResultBuilder]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2021-10-13 07:31:32,247 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 173) no Hoare annotation was computed. [2021-10-13 07:31:32,247 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 193) no Hoare annotation was computed. [2021-10-13 07:31:32,247 INFO L853 garLoopResultBuilder]: At program point L187-1(lines 187 193) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,247 INFO L857 garLoopResultBuilder]: For program point L205(lines 205 211) no Hoare annotation was computed. [2021-10-13 07:31:32,248 INFO L853 garLoopResultBuilder]: At program point L205-1(lines 241 247) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,248 INFO L853 garLoopResultBuilder]: At program point L453(lines 448 456) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,248 INFO L853 garLoopResultBuilder]: At program point L453-1(lines 448 456) the Hoare annotation is: false [2021-10-13 07:31:32,248 INFO L853 garLoopResultBuilder]: At program point L453-2(lines 448 456) the Hoare annotation is: false [2021-10-13 07:31:32,248 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:31:32,248 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 290) no Hoare annotation was computed. [2021-10-13 07:31:32,249 INFO L857 garLoopResultBuilder]: For program point L273-1(lines 273 290) no Hoare annotation was computed. [2021-10-13 07:31:32,249 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 273 290) no Hoare annotation was computed. [2021-10-13 07:31:32,249 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 148) no Hoare annotation was computed. [2021-10-13 07:31:32,249 INFO L860 garLoopResultBuilder]: At program point L141-1(lines 141 148) the Hoare annotation is: true [2021-10-13 07:31:32,249 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 395) no Hoare annotation was computed. [2021-10-13 07:31:32,249 INFO L853 garLoopResultBuilder]: At program point L389-1(lines 389 395) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,250 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:31:32,250 INFO L853 garLoopResultBuilder]: At program point L241(lines 240 259) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,250 INFO L857 garLoopResultBuilder]: For program point L241-1(lines 241 247) no Hoare annotation was computed. [2021-10-13 07:31:32,250 INFO L853 garLoopResultBuilder]: At program point L241-2(lines 240 259) the Hoare annotation is: false [2021-10-13 07:31:32,250 INFO L853 garLoopResultBuilder]: At program point L241-3(lines 240 259) the Hoare annotation is: false [2021-10-13 07:31:32,250 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2021-10-13 07:31:32,250 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:31:32,251 INFO L853 garLoopResultBuilder]: At program point L887(lines 1 924) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,251 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-10-13 07:31:32,251 INFO L857 garLoopResultBuilder]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2021-10-13 07:31:32,251 INFO L857 garLoopResultBuilder]: For program point L375-3(lines 375 379) no Hoare annotation was computed. [2021-10-13 07:31:32,251 INFO L857 garLoopResultBuilder]: For program point L375-5(lines 375 379) no Hoare annotation was computed. [2021-10-13 07:31:32,251 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-10-13 07:31:32,252 INFO L857 garLoopResultBuilder]: For program point L375-6(lines 375 379) no Hoare annotation was computed. [2021-10-13 07:31:32,252 INFO L853 garLoopResultBuilder]: At program point L177-1(lines 177 183) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,252 INFO L857 garLoopResultBuilder]: For program point L375-8(lines 375 379) no Hoare annotation was computed. [2021-10-13 07:31:32,252 INFO L853 garLoopResultBuilder]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,252 INFO L853 garLoopResultBuilder]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2021-10-13 07:31:32,253 INFO L853 garLoopResultBuilder]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2021-10-13 07:31:32,253 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 285) no Hoare annotation was computed. [2021-10-13 07:31:32,253 INFO L857 garLoopResultBuilder]: For program point L277-1(lines 277 285) no Hoare annotation was computed. [2021-10-13 07:31:32,253 INFO L857 garLoopResultBuilder]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2021-10-13 07:31:32,253 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 07:31:32,253 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-13 07:31:32,253 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-13 07:31:32,254 INFO L853 garLoopResultBuilder]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2021-10-13 07:31:32,254 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-13 07:31:32,254 INFO L853 garLoopResultBuilder]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,254 INFO L853 garLoopResultBuilder]: At program point L494(lines 489 497) the Hoare annotation is: false [2021-10-13 07:31:32,254 INFO L853 garLoopResultBuilder]: At program point L494-1(lines 489 497) the Hoare annotation is: false [2021-10-13 07:31:32,254 INFO L857 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2021-10-13 07:31:32,255 INFO L853 garLoopResultBuilder]: At program point L494-2(lines 489 497) the Hoare annotation is: false [2021-10-13 07:31:32,255 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 212) no Hoare annotation was computed. [2021-10-13 07:31:32,255 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:31:32,255 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:31:32,255 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 921) no Hoare annotation was computed. [2021-10-13 07:31:32,255 INFO L853 garLoopResultBuilder]: At program point L908-1(lines 1 924) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,255 INFO L857 garLoopResultBuilder]: For program point L908-2(lines 908 921) no Hoare annotation was computed. [2021-10-13 07:31:32,256 INFO L853 garLoopResultBuilder]: At program point L908-3(lines 1 924) the Hoare annotation is: false [2021-10-13 07:31:32,256 INFO L857 garLoopResultBuilder]: For program point L908-4(lines 908 921) no Hoare annotation was computed. [2021-10-13 07:31:32,256 INFO L853 garLoopResultBuilder]: At program point L908-5(lines 1 924) the Hoare annotation is: false [2021-10-13 07:31:32,258 INFO L853 garLoopResultBuilder]: At program point L248(lines 248 254) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:31:32,258 INFO L853 garLoopResultBuilder]: At program point L248-1(lines 248 254) the Hoare annotation is: false [2021-10-13 07:31:32,258 INFO L853 garLoopResultBuilder]: At program point L248-2(lines 248 254) the Hoare annotation is: false [2021-10-13 07:31:32,275 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-13 07:31:32,276 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 241 247) no Hoare annotation was computed. [2021-10-13 07:31:32,276 INFO L853 garLoopResultBuilder]: At program point L381(lines 366 384) the Hoare annotation is: false [2021-10-13 07:31:32,276 INFO L853 garLoopResultBuilder]: At program point L381-1(lines 366 384) the Hoare annotation is: false [2021-10-13 07:31:32,276 INFO L853 garLoopResultBuilder]: At program point L381-2(lines 366 384) the Hoare annotation is: false [2021-10-13 07:31:32,277 INFO L860 garLoopResultBuilder]: At program point L150(lines 131 153) the Hoare annotation is: true [2021-10-13 07:31:32,282 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:31:32,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:31:32 BoogieIcfgContainer [2021-10-13 07:31:32,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:31:32,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:31:32,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:31:32,320 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:31:32,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:27" (3/4) ... [2021-10-13 07:31:32,324 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:31:32,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:31:32,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:31:32,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:31:32,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:31:32,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:31:32,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:31:32,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:31:32,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-13 07:31:32,449 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:31:32,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:31:32,452 INFO L168 Benchmark]: Toolchain (without parser) took 8930.22 ms. Allocated memory was 56.6 MB in the beginning and 92.3 MB in the end (delta: 35.7 MB). Free memory was 33.3 MB in the beginning and 63.9 MB in the end (delta: -30.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:32,452 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:31:32,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.03 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.1 MB in the beginning and 38.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:32,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.97 ms. Allocated memory is still 71.3 MB. Free memory was 38.6 MB in the beginning and 53.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:32,454 INFO L168 Benchmark]: Boogie Preprocessor took 81.30 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 51.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:32,455 INFO L168 Benchmark]: RCFGBuilder took 2848.75 ms. Allocated memory is still 71.3 MB. Free memory was 51.0 MB in the beginning and 39.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:32,455 INFO L168 Benchmark]: TraceAbstraction took 4828.32 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 39.6 MB in the beginning and 70.2 MB in the end (delta: -30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:32,456 INFO L168 Benchmark]: Witness Printer took 130.24 ms. Allocated memory is still 92.3 MB. Free memory was 70.2 MB in the beginning and 63.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:31:32,459 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 56.6 MB. Free memory was 37.4 MB in the beginning and 37.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 943.03 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.1 MB in the beginning and 38.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.97 ms. Allocated memory is still 71.3 MB. Free memory was 38.6 MB in the beginning and 53.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.30 ms. Allocated memory is still 71.3 MB. Free memory was 53.1 MB in the beginning and 51.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2848.75 ms. Allocated memory is still 71.3 MB. Free memory was 51.0 MB in the beginning and 39.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4828.32 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 39.6 MB in the beginning and 70.2 MB in the end (delta: -30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * Witness Printer took 130.24 ms. Allocated memory is still 92.3 MB. Free memory was 70.2 MB in the beginning and 63.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4701.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 28.9ms, AutomataDifference: 548.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 416.5ms, InitialAbstractionConstructionTime: 20.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 333 SDtfs, 448 SDslu, 368 SDs, 0 SdLazy, 48 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 152.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 116.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 94.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 305.4ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 100.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 143.0ms SsaConstructionTime, 650.3ms SatisfiabilityAnalysisTime, 1141.8ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 316 SizeOfPredicates, 7 NumberOfNonLiveVariables, 976 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:31:32,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c498d0-c2fe-40f1-9717-0d070bad3cb2/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...