./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:49:12,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:49:12,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:49:12,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:49:12,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:49:12,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:49:12,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:49:12,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:49:12,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:49:12,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:49:12,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:49:12,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:49:12,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:49:12,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:49:12,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:49:12,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:49:12,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:49:12,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:49:12,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:49:12,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:49:12,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:49:12,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:49:12,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:49:12,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:49:12,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:49:12,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:49:12,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:49:12,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:49:12,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:49:12,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:49:12,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:49:12,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:49:12,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:49:12,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:49:12,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:49:12,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:49:12,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:49:12,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:49:12,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:49:12,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:49:12,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:49:12,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:49:12,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:49:12,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:49:12,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:49:12,370 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:49:12,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:49:12,370 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:49:12,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:49:12,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:49:12,377 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:49:12,378 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:49:12,379 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:49:12,379 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:49:12,380 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:49:12,380 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:49:12,380 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:49:12,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:49:12,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:49:12,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:49:12,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:49:12,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:49:12,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:49:12,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:49:12,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:49:12,383 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:49:12,383 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:49:12,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:49:12,384 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:49:12,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:49:12,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:49:12,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:49:12,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:12,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:49:12,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:49:12,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:49:12,388 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:49:12,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:49:12,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:49:12,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:49:12,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:49:12,389 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_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 [2021-11-07 01:49:12,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:49:12,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:49:12,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:49:12,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:49:12,697 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:49:12,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-07 01:49:12,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/910c7a1e1/d5451d89e54f4d528c7fff421bc88dcb/FLAG726885c9f [2021-11-07 01:49:13,406 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:49:13,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-07 01:49:13,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/910c7a1e1/d5451d89e54f4d528c7fff421bc88dcb/FLAG726885c9f [2021-11-07 01:49:13,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/910c7a1e1/d5451d89e54f4d528c7fff421bc88dcb [2021-11-07 01:49:13,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:49:13,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:49:13,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:13,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:49:13,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:49:13,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:13" (1/1) ... [2021-11-07 01:49:13,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34030e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:13, skipping insertion in model container [2021-11-07 01:49:13,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:13" (1/1) ... [2021-11-07 01:49:13,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:49:13,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:14,476 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_84cf9877-6138-4dd1-83df-57e98dc94773/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-07 01:49:14,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:14,593 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:49:14,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73486350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:14, skipping insertion in model container [2021-11-07 01:49:14,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:14,594 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:49:14,597 INFO L168 Benchmark]: Toolchain (without parser) took 879.43 ms. Allocated memory is still 98.6 MB. Free memory was 64.1 MB in the beginning and 68.9 MB in the end (delta: -4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:14,599 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 60.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:49:14,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.64 ms. Allocated memory is still 98.6 MB. Free memory was 63.9 MB in the beginning and 68.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:14,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 60.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 863.64 ms. Allocated memory is still 98.6 MB. Free memory was 63.9 MB in the beginning and 68.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 553]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:49:17,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:49:17,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:49:17,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:49:17,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:49:17,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:49:17,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:49:17,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:49:17,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:49:17,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:49:17,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:49:17,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:49:17,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:49:17,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:49:17,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:49:17,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:49:17,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:49:17,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:49:17,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:49:17,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:49:17,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:49:17,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:49:17,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:49:17,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:49:17,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:49:17,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:49:17,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:49:17,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:49:17,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:49:17,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:49:17,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:49:17,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:49:17,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:49:17,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:49:17,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:49:17,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:49:17,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:49:17,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:49:17,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:49:17,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:49:17,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:49:17,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:49:17,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:49:17,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:49:17,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:49:17,201 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:49:17,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:49:17,202 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:49:17,202 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:49:17,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:49:17,203 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:49:17,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:49:17,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:49:17,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:49:17,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:49:17,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:49:17,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:49:17,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:49:17,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:49:17,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:49:17,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:49:17,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:49:17,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:49:17,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:49:17,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:49:17,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:49:17,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:49:17,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:49:17,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:17,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:49:17,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:49:17,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:49:17,212 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:49:17,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:49:17,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:49:17,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:49:17,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:49:17,213 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_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 [2021-11-07 01:49:17,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:49:17,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:49:17,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:49:17,674 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:49:17,675 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:49:17,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-07 01:49:17,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/82beec394/fb34e3e9090049f5b187673a2c82ad24/FLAGff35f8bbd [2021-11-07 01:49:18,327 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:49:18,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-07 01:49:18,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/82beec394/fb34e3e9090049f5b187673a2c82ad24/FLAGff35f8bbd [2021-11-07 01:49:18,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/data/82beec394/fb34e3e9090049f5b187673a2c82ad24 [2021-11-07 01:49:18,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:49:18,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:49:18,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:18,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:49:18,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:49:18,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:18" (1/1) ... [2021-11-07 01:49:18,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7719f0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:18, skipping insertion in model container [2021-11-07 01:49:18,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:49:18" (1/1) ... [2021-11-07 01:49:18,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:49:18,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:19,073 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_84cf9877-6138-4dd1-83df-57e98dc94773/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-07 01:49:19,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:19,191 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:49:19,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:49:19,228 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_84cf9877-6138-4dd1-83df-57e98dc94773/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-07 01:49:19,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:19,294 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:49:19,346 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_84cf9877-6138-4dd1-83df-57e98dc94773/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-07 01:49:19,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:49:19,413 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:49:19,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19 WrapperNode [2021-11-07 01:49:19,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:49:19,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:49:19,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:49:19,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:49:19,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:49:19,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:49:19,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:49:19,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:49:19,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:49:19,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:49:19,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:49:19,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:49:19,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (1/1) ... [2021-11-07 01:49:19,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:49:19,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:49:19,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:49:19,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:49:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:49:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:49:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:49:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:49:22,143 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:49:22,143 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-07 01:49:22,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:22 BoogieIcfgContainer [2021-11-07 01:49:22,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:49:22,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:49:22,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:49:22,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:49:22,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:49:18" (1/3) ... [2021-11-07 01:49:22,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744b63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:22, skipping insertion in model container [2021-11-07 01:49:22,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:49:19" (2/3) ... [2021-11-07 01:49:22,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744b63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:49:22, skipping insertion in model container [2021-11-07 01:49:22,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:22" (3/3) ... [2021-11-07 01:49:22,155 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2021-11-07 01:49:22,161 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:49:22,161 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:49:22,222 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:49:22,232 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:49:22,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:49:22,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:49:22,286 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:22,287 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:22,287 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:22,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:22,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1951915580, now seen corresponding path program 1 times [2021-11-07 01:49:22,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:22,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025636029] [2021-11-07 01:49:22,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:22,319 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:22,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:22,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:22,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:49:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:22,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:49:22,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:22,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:22,753 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:22,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025636029] [2021-11-07 01:49:22,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025636029] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:22,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:22,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:49:22,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739038209] [2021-11-07 01:49:22,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:49:22,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:22,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:49:22,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:49:22,782 INFO L87 Difference]: Start difference. First operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:22,823 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2021-11-07 01:49:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:49:22,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:49:22,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:22,838 INFO L225 Difference]: With dead ends: 139 [2021-11-07 01:49:22,838 INFO L226 Difference]: Without dead ends: 69 [2021-11-07 01:49:22,841 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:49:22,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-07 01:49:22,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-07 01:49:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 68 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-11-07 01:49:22,894 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2021-11-07 01:49:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:22,894 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-11-07 01:49:22,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2021-11-07 01:49:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:49:22,897 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:22,897 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:22,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:23,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:23,111 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash 2124215747, now seen corresponding path program 1 times [2021-11-07 01:49:23,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:23,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480746183] [2021-11-07 01:49:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:23,114 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:23,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:23,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:23,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:49:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:23,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:23,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:23,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:23,650 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:23,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480746183] [2021-11-07 01:49:23,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480746183] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:23,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:23,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:49:23,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034656815] [2021-11-07 01:49:23,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:49:23,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:23,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:49:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:23,659 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:23,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:23,686 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2021-11-07 01:49:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:49:23,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:49:23,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:23,689 INFO L225 Difference]: With dead ends: 69 [2021-11-07 01:49:23,689 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:49:23,691 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:23,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:49:23,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:49:23,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:49:23,705 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-11-07 01:49:23,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:23,705 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:49:23,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:23,706 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:49:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:49:23,708 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:23,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:23,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:23,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:23,926 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:23,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:23,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2021-11-07 01:49:23,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:23,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255810677] [2021-11-07 01:49:23,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:23,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:23,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:23,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:24,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:49:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:24,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:49:24,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:24,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:24,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:24,545 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:24,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255810677] [2021-11-07 01:49:24,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255810677] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:24,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:24,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:49:24,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819233273] [2021-11-07 01:49:24,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:49:24,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:24,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:49:24,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:24,553 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:24,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:24,568 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-11-07 01:49:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:49:24,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:49:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:24,570 INFO L225 Difference]: With dead ends: 59 [2021-11-07 01:49:24,571 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:49:24,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:49:24,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:49:24,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:49:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 01:49:24,584 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-11-07 01:49:24,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:24,585 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 01:49:24,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-07 01:49:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:49:24,588 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:24,588 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:24,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:24,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:24,809 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:24,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:24,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2021-11-07 01:49:24,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:24,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055128290] [2021-11-07 01:49:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:24,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:24,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:24,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:49:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:25,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:49:25,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:25,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:25,241 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:25,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055128290] [2021-11-07 01:49:25,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055128290] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:25,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:25,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:49:25,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934323678] [2021-11-07 01:49:25,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:49:25,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:25,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:49:25,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:49:25,246 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 5.0) 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) [2021-11-07 01:49:25,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:25,368 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2021-11-07 01:49:25,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:49:25,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) 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 25 [2021-11-07 01:49:25,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:25,370 INFO L225 Difference]: With dead ends: 135 [2021-11-07 01:49:25,370 INFO L226 Difference]: Without dead ends: 109 [2021-11-07 01:49:25,371 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:49:25,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-07 01:49:25,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2021-11-07 01:49:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-11-07 01:49:25,394 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2021-11-07 01:49:25,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:25,394 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-11-07 01:49:25,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) 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) [2021-11-07 01:49:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-11-07 01:49:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:49:25,396 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:25,396 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:49:25,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:49:25,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:25,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:49:25,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:25,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2021-11-07 01:49:25,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:49:25,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428120701] [2021-11-07 01:49:25,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:25,611 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:49:25,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:49:25,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:49:25,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:49:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:25,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:49:25,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:26,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:49:26,237 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:49:26,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428120701] [2021-11-07 01:49:26,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428120701] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:49:26,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:49:26,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:49:26,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786643510] [2021-11-07 01:49:26,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:49:26,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:49:26,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:49:26,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:49:26,248 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:26,370 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2021-11-07 01:49:26,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:49:26,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-11-07 01:49:26,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:26,372 INFO L225 Difference]: With dead ends: 146 [2021-11-07 01:49:26,372 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:49:26,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:49:26,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:49:26,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:49:26,374 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) [2021-11-07 01:49:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:49:26,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-07 01:49:26,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:26,375 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:49:26,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:49:26,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:49:26,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:49:26,378 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:49:26,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:49:26,379 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:49:26,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:26,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:49:26,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:49:26,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:26,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:27,233 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2021-11-07 01:49:27,233 INFO L860 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2021-11-07 01:49:27,233 INFO L853 garLoopResultBuilder]: At program point L350(lines 343 353) the Hoare annotation is: false [2021-11-07 01:49:27,233 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:49:27,233 INFO L853 garLoopResultBuilder]: At program point L350-1(lines 343 353) the Hoare annotation is: false [2021-11-07 01:49:27,233 INFO L853 garLoopResultBuilder]: At program point L350-2(lines 343 353) the Hoare annotation is: false [2021-11-07 01:49:27,234 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 224) no Hoare annotation was computed. [2021-11-07 01:49:27,234 INFO L853 garLoopResultBuilder]: At program point L218-1(lines 218 224) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,234 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-11-07 01:49:27,234 INFO L853 garLoopResultBuilder]: At program point L254(lines 207 255) the Hoare annotation is: false [2021-11-07 01:49:27,234 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 249) no Hoare annotation was computed. [2021-11-07 01:49:27,234 INFO L857 garLoopResultBuilder]: For program point L520(line 520) no Hoare annotation was computed. [2021-11-07 01:49:27,234 INFO L857 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2021-11-07 01:49:27,235 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-11-07 01:49:27,235 INFO L857 garLoopResultBuilder]: For program point L520-2(line 520) no Hoare annotation was computed. [2021-11-07 01:49:27,235 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:49:27,235 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2021-11-07 01:49:27,235 INFO L857 garLoopResultBuilder]: For program point L306-1(lines 306 323) no Hoare annotation was computed. [2021-11-07 01:49:27,235 INFO L857 garLoopResultBuilder]: For program point L306-2(lines 306 323) no Hoare annotation was computed. [2021-11-07 01:49:27,235 INFO L853 garLoopResultBuilder]: At program point L422(lines 1 889) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,236 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2021-11-07 01:49:27,236 INFO L853 garLoopResultBuilder]: At program point L274(lines 273 292) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,236 INFO L857 garLoopResultBuilder]: For program point L274-1(lines 274 280) no Hoare annotation was computed. [2021-11-07 01:49:27,236 INFO L853 garLoopResultBuilder]: At program point L274-2(lines 273 292) the Hoare annotation is: false [2021-11-07 01:49:27,236 INFO L853 garLoopResultBuilder]: At program point L274-3(lines 273 292) the Hoare annotation is: false [2021-11-07 01:49:27,236 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2021-11-07 01:49:27,236 INFO L860 garLoopResultBuilder]: At program point L142-1(lines 142 149) the Hoare annotation is: true [2021-11-07 01:49:27,237 INFO L857 garLoopResultBuilder]: For program point L209(lines 208 253) no Hoare annotation was computed. [2021-11-07 01:49:27,237 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed. [2021-11-07 01:49:27,237 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 1 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,237 INFO L857 garLoopResultBuilder]: For program point L176-2(lines 176 193) no Hoare annotation was computed. [2021-11-07 01:49:27,237 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 1 889) the Hoare annotation is: false [2021-11-07 01:49:27,237 INFO L857 garLoopResultBuilder]: For program point L176-4(lines 176 193) no Hoare annotation was computed. [2021-11-07 01:49:27,237 INFO L853 garLoopResultBuilder]: At program point L176-5(lines 1 889) the Hoare annotation is: false [2021-11-07 01:49:27,238 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:49:27,240 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 214) no Hoare annotation was computed. [2021-11-07 01:49:27,240 INFO L853 garLoopResultBuilder]: At program point L359(lines 354 362) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,240 INFO L853 garLoopResultBuilder]: At program point L359-1(lines 354 362) the Hoare annotation is: false [2021-11-07 01:49:27,240 INFO L853 garLoopResultBuilder]: At program point L359-2(lines 354 362) the Hoare annotation is: false [2021-11-07 01:49:27,240 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-11-07 01:49:27,241 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-11-07 01:49:27,241 INFO L857 garLoopResultBuilder]: For program point L442-3(lines 442 446) no Hoare annotation was computed. [2021-11-07 01:49:27,241 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2021-11-07 01:49:27,241 INFO L857 garLoopResultBuilder]: For program point L310-1(lines 310 318) no Hoare annotation was computed. [2021-11-07 01:49:27,242 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-11-07 01:49:27,243 INFO L857 garLoopResultBuilder]: For program point L442-6(lines 442 446) no Hoare annotation was computed. [2021-11-07 01:49:27,243 INFO L857 garLoopResultBuilder]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2021-11-07 01:49:27,243 INFO L857 garLoopResultBuilder]: For program point L244-2(lines 274 280) no Hoare annotation was computed. [2021-11-07 01:49:27,244 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 234) no Hoare annotation was computed. [2021-11-07 01:49:27,244 INFO L853 garLoopResultBuilder]: At program point L228-1(lines 228 234) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,244 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-11-07 01:49:27,245 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,245 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 190) no Hoare annotation was computed. [2021-11-07 01:49:27,247 INFO L857 garLoopResultBuilder]: For program point L180-2(lines 180 190) no Hoare annotation was computed. [2021-11-07 01:49:27,249 INFO L857 garLoopResultBuilder]: For program point L180-4(lines 180 190) no Hoare annotation was computed. [2021-11-07 01:49:27,250 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:49:27,251 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2021-11-07 01:49:27,251 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:49:27,252 INFO L857 garLoopResultBuilder]: For program point L181-2(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:49:27,252 INFO L857 garLoopResultBuilder]: For program point L181-4(lines 181 187) no Hoare annotation was computed. [2021-11-07 01:49:27,253 INFO L853 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,253 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-07 01:49:27,253 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 274 280) no Hoare annotation was computed. [2021-11-07 01:49:27,253 INFO L853 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: false [2021-11-07 01:49:27,253 INFO L853 garLoopResultBuilder]: At program point L479-1(lines 474 482) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,254 INFO L853 garLoopResultBuilder]: At program point L479-2(lines 474 482) the Hoare annotation is: false [2021-11-07 01:49:27,254 INFO L853 garLoopResultBuilder]: At program point L479-3(lines 474 482) the Hoare annotation is: false [2021-11-07 01:49:27,254 INFO L853 garLoopResultBuilder]: At program point L479-4(lines 474 482) the Hoare annotation is: false [2021-11-07 01:49:27,254 INFO L853 garLoopResultBuilder]: At program point L479-5(lines 474 482) the Hoare annotation is: false [2021-11-07 01:49:27,254 INFO L853 garLoopResultBuilder]: At program point L281(lines 281 287) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,255 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 281 287) the Hoare annotation is: false [2021-11-07 01:49:27,255 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 281 287) the Hoare annotation is: false [2021-11-07 01:49:27,257 INFO L853 garLoopResultBuilder]: At program point L430(lines 425 433) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:49:27,260 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:49:27,265 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:49:27,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:49:27 BoogieIcfgContainer [2021-11-07 01:49:27,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:49:27,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:49:27,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:49:27,310 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:49:27,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:49:22" (3/4) ... [2021-11-07 01:49:27,314 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:49:27,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:49:27,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:49:27,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:49:27,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:49:27,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:49:27,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:49:27,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:49:27,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:49:27,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:49:27,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:49:27,507 INFO L168 Benchmark]: Toolchain (without parser) took 8863.76 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 36.3 MB in the beginning and 46.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:27,507 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:49:27,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.31 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 40.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:27,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.31 ms. Allocated memory is still 71.3 MB. Free memory was 40.9 MB in the beginning and 38.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:27,524 INFO L168 Benchmark]: Boogie Preprocessor took 81.07 ms. Allocated memory is still 71.3 MB. Free memory was 38.0 MB in the beginning and 35.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:27,524 INFO L168 Benchmark]: RCFGBuilder took 2550.89 ms. Allocated memory is still 71.3 MB. Free memory was 35.9 MB in the beginning and 35.3 MB in the end (delta: 568.3 kB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:27,525 INFO L168 Benchmark]: TraceAbstraction took 5161.76 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 34.5 MB in the beginning and 53.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:27,525 INFO L168 Benchmark]: Witness Printer took 193.72 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 46.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:49:27,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 771.31 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.0 MB in the beginning and 40.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.31 ms. Allocated memory is still 71.3 MB. Free memory was 40.9 MB in the beginning and 38.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.07 ms. Allocated memory is still 71.3 MB. Free memory was 38.0 MB in the beginning and 35.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2550.89 ms. Allocated memory is still 71.3 MB. Free memory was 35.9 MB in the beginning and 35.3 MB in the end (delta: 568.3 kB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5161.76 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 34.5 MB in the beginning and 53.2 MB in the end (delta: -18.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Witness Printer took 193.72 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 46.9 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 520]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 520]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 520]: 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, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 309 SDslu, 255 SDs, 0 SdLazy, 57 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1088 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 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: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 01:49:27,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cf9877-6138-4dd1-83df-57e98dc94773/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE