./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI --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 0cc23406006a3a1e447c6e8a913f53a10dcbb620 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI --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 0cc23406006a3a1e447c6e8a913f53a10dcbb620 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:43,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:43,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:43,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:43,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:43,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:43,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:43,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:43,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:43,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:43,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:43,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:43,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:43,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:43,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:43,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:43,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:43,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:43,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:43,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:43,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:43,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:43,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:43,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:43,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:43,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:43,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:43,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:43,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:43,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:43,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:43,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:43,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:43,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:43,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:43,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:43,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:43,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:43,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:43,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:43,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:43,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:20:43,513 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:43,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:43,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:43,516 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:43,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:43,517 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:43,517 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:20:43,517 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:43,518 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:43,518 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:20:43,519 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:20:43,520 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:43,520 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:20:43,520 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:20:43,520 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:20:43,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:43,522 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:43,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:20:43,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:43,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:43,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:43,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:43,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:43,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:43,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:43,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:43,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:43,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:43,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:43,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:43,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:43,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:43,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:43,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:43,528 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:20:43,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:20:43,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:43,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:43,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:43,529 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_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2021-10-11 02:20:43,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:43,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:43,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:43,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:43,921 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:43,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-11 02:20:44,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/9676ae4c0/892933515460496f80a18d2d7ceb169e/FLAGd2a9e5d05 [2021-10-11 02:20:44,794 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:44,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-11 02:20:44,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/9676ae4c0/892933515460496f80a18d2d7ceb169e/FLAGd2a9e5d05 [2021-10-11 02:20:45,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/9676ae4c0/892933515460496f80a18d2d7ceb169e [2021-10-11 02:20:45,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:45,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:45,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:45,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:45,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:45,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:45" (1/1) ... [2021-10-11 02:20:45,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba60669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:45, skipping insertion in model container [2021-10-11 02:20:45,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:45" (1/1) ... [2021-10-11 02:20:45,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:45,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:45,393 WARN L226 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_d84af48c-bfdf-46d7-9f23-9be17b482521/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2021-10-11 02:20:45,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:45,428 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:20:45,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27dc0f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:45, skipping insertion in model container [2021-10-11 02:20:45,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:45,430 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:20:45,432 INFO L168 Benchmark]: Toolchain (without parser) took 396.46 ms. Allocated memory is still 83.9 MB. Free memory was 54.9 MB in the beginning and 41.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:45,433 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:45,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.54 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 41.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:45,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 53.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 392.54 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 41.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 108]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:20:48,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:20:48,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:20:48,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:20:48,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:20:48,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:20:48,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:20:48,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:20:48,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:20:48,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:20:48,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:20:48,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:20:48,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:20:48,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:20:48,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:20:48,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:20:48,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:20:48,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:20:48,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:20:48,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:20:48,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:20:48,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:20:48,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:20:48,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:20:48,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:20:48,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:20:48,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:20:48,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:20:48,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:20:48,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:20:48,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:20:48,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:20:48,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:20:48,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:20:48,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:20:48,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:20:48,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:20:48,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:20:48,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:20:48,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:20:48,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:20:48,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:20:48,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:20:48,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:20:48,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:20:48,155 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:20:48,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:20:48,155 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:20:48,156 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:20:48,156 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:20:48,156 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:20:48,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:20:48,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:20:48,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:20:48,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:20:48,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:20:48,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:20:48,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:20:48,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:20:48,162 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:20:48,162 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:20:48,162 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:20:48,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:20:48,163 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:20:48,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:20:48,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:20:48,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:20:48,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:20:48,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:48,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:20:48,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:20:48,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:20:48,166 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:20:48,166 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:20:48,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:20:48,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:20:48,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:20:48,168 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_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2021-10-11 02:20:48,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:20:48,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:20:48,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:20:48,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:20:48,688 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:20:48,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-11 02:20:48,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/561bb204f/d61c605ea4e54fb78325cf031dc992db/FLAG5db1d2719 [2021-10-11 02:20:49,367 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:20:49,368 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-11 02:20:49,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/561bb204f/d61c605ea4e54fb78325cf031dc992db/FLAG5db1d2719 [2021-10-11 02:20:49,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/data/561bb204f/d61c605ea4e54fb78325cf031dc992db [2021-10-11 02:20:49,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:20:49,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:20:49,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:49,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:20:49,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:20:49,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:49" (1/1) ... [2021-10-11 02:20:49,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc907a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:49, skipping insertion in model container [2021-10-11 02:20:49,684 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:49" (1/1) ... [2021-10-11 02:20:49,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:20:49,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:50,185 WARN L226 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_d84af48c-bfdf-46d7-9f23-9be17b482521/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2021-10-11 02:20:50,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:50,217 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:20:50,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:20:50,268 WARN L226 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_d84af48c-bfdf-46d7-9f23-9be17b482521/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2021-10-11 02:20:50,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:50,293 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:20:50,367 WARN L226 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_d84af48c-bfdf-46d7-9f23-9be17b482521/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2021-10-11 02:20:50,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:20:50,436 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:20:50,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50 WrapperNode [2021-10-11 02:20:50,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:20:50,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:50,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:20:50,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:20:50,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:20:50,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:20:50,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:20:50,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:20:50,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... [2021-10-11 02:20:50,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:20:50,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:20:50,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:20:50,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:20:50,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:20:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:20:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:20:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:20:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:20:53,217 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:20:53,218 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-11 02:20:53,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:53 BoogieIcfgContainer [2021-10-11 02:20:53,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:20:53,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:20:53,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:20:53,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:20:53,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:49" (1/3) ... [2021-10-11 02:20:53,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246e8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:53, skipping insertion in model container [2021-10-11 02:20:53,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:50" (2/3) ... [2021-10-11 02:20:53,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246e8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:53, skipping insertion in model container [2021-10-11 02:20:53,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:53" (3/3) ... [2021-10-11 02:20:53,229 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2021-10-11 02:20:53,243 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:20:53,247 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:20:53,257 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:20:53,279 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:20:53,279 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:20:53,279 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:20:53,279 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:20:53,279 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:20:53,280 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:20:53,280 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:20:53,280 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:20:53,295 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2021-10-11 02:20:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:20:53,301 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:53,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:53,303 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:53,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:53,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2021-10-11 02:20:53,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:53,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89923252] [2021-10-11 02:20:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:53,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:20:53,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:53,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:53,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89923252] [2021-10-11 02:20:53,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:53,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:53,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066989833] [2021-10-11 02:20:53,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:20:53,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:53,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:20:53,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:53,776 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2021-10-11 02:20:53,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:53,817 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-10-11 02:20:53,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:20:53,820 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:20:53,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:53,834 INFO L225 Difference]: With dead ends: 119 [2021-10-11 02:20:53,834 INFO L226 Difference]: Without dead ends: 59 [2021-10-11 02:20:53,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:20:53,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-11 02:20:53,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-11 02:20:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-10-11 02:20:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2021-10-11 02:20:53,907 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2021-10-11 02:20:53,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:53,908 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2021-10-11 02:20:53,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:20:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2021-10-11 02:20:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:20:53,911 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:53,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:54,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:20:54,136 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:54,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:54,137 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2021-10-11 02:20:54,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:54,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600224470] [2021-10-11 02:20:54,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:54,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:54,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:54,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:54,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:54,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600224470] [2021-10-11 02:20:54,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:54,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:20:54,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323472694] [2021-10-11 02:20:54,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:54,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:54,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:54,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:54,424 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2021-10-11 02:20:54,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:54,447 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2021-10-11 02:20:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:54,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:20:54,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:54,448 INFO L225 Difference]: With dead ends: 59 [2021-10-11 02:20:54,449 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 02:20:54,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:54,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 02:20:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 02:20:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 02:20:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-11 02:20:54,456 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-11 02:20:54,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:54,456 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-11 02:20:54,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-11 02:20:54,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:20:54,457 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:54,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:54,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:20:54,687 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:54,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:54,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2021-10-11 02:20:54,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:54,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385064900] [2021-10-11 02:20:54,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:54,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:20:54,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:55,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:55,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385064900] [2021-10-11 02:20:55,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:55,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:20:55,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603008754] [2021-10-11 02:20:55,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:20:55,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:55,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:20:55,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:55,008 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2021-10-11 02:20:55,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:55,045 INFO L93 Difference]: Finished difference Result 79 states and 115 transitions. [2021-10-11 02:20:55,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:20:55,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:20:55,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:55,052 INFO L225 Difference]: With dead ends: 79 [2021-10-11 02:20:55,052 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:20:55,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:20:55,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:20:55,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2021-10-11 02:20:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:20:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-11 02:20:55,074 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2021-10-11 02:20:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:55,074 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-11 02:20:55,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:20:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-11 02:20:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:20:55,076 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:55,076 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:20:55,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:20:55,297 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:55,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:55,298 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2021-10-11 02:20:55,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:55,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554574568] [2021-10-11 02:20:55,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:55,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:55,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:55,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:55,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554574568] [2021-10-11 02:20:55,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:55,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:20:55,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630037877] [2021-10-11 02:20:55,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:55,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:55,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:55,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:55,599 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2021-10-11 02:20:55,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:55,739 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2021-10-11 02:20:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:20:55,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:20:55,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:55,742 INFO L225 Difference]: With dead ends: 219 [2021-10-11 02:20:55,743 INFO L226 Difference]: Without dead ends: 175 [2021-10-11 02:20:55,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:20:55,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-11 02:20:55,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2021-10-11 02:20:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 02:20:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-10-11 02:20:55,776 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2021-10-11 02:20:55,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:55,779 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-10-11 02:20:55,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-10-11 02:20:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:20:55,781 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:20:55,782 INFO L422 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] [2021-10-11 02:20:56,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:20:56,001 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:20:56,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:20:56,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2021-10-11 02:20:56,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:20:56,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551386036] [2021-10-11 02:20:56,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:20:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:20:56,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:20:56,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:20:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:20:56,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:20:56,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551386036] [2021-10-11 02:20:56,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:20:56,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:20:56,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889039978] [2021-10-11 02:20:56,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:20:56,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:20:56,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:20:56,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:20:56,276 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand 5 states. [2021-10-11 02:20:56,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:20:56,424 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-10-11 02:20:56,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:20:56,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:20:56,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:20:56,426 INFO L225 Difference]: With dead ends: 271 [2021-10-11 02:20:56,426 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:20:56,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:20:56,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:20:56,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:20:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:20:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:20:56,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-11 02:20:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:20:56,439 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:20:56,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:20:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:20:56,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:20:56,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:20:56,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:20:56,801 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 6 [2021-10-11 02:20:57,189 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2021-10-11 02:20:57,190 INFO L262 CegarLoopResult]: For program point L696(lines 696 706) no Hoare annotation was computed. [2021-10-11 02:20:57,190 INFO L262 CegarLoopResult]: For program point L696-2(lines 696 706) no Hoare annotation was computed. [2021-10-11 02:20:57,190 INFO L262 CegarLoopResult]: For program point L696-4(lines 696 706) no Hoare annotation was computed. [2021-10-11 02:20:57,190 INFO L262 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2021-10-11 02:20:57,190 INFO L265 CegarLoopResult]: At program point L878-1(lines 878 885) the Hoare annotation is: true [2021-10-11 02:20:57,190 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:20:57,190 INFO L262 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-10-11 02:20:57,190 INFO L262 CegarLoopResult]: For program point L697-2(lines 697 703) no Hoare annotation was computed. [2021-10-11 02:20:57,191 INFO L262 CegarLoopResult]: For program point L697-4(lines 697 703) no Hoare annotation was computed. [2021-10-11 02:20:57,191 INFO L258 CegarLoopResult]: At program point L681(lines 676 683) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:57,191 INFO L262 CegarLoopResult]: For program point L584(lines 584 590) no Hoare annotation was computed. [2021-10-11 02:20:57,191 INFO L258 CegarLoopResult]: At program point L584-1(lines 584 590) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,191 INFO L262 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2021-10-11 02:20:57,191 INFO L258 CegarLoopResult]: At program point L470(lines 470 476) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,191 INFO L258 CegarLoopResult]: At program point L470-1(lines 470 476) the Hoare annotation is: false [2021-10-11 02:20:57,192 INFO L258 CegarLoopResult]: At program point L470-2(lines 470 476) the Hoare annotation is: false [2021-10-11 02:20:57,192 INFO L262 CegarLoopResult]: For program point L619(lines 619 625) no Hoare annotation was computed. [2021-10-11 02:20:57,192 INFO L258 CegarLoopResult]: At program point L619-1(lines 619 625) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,192 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:20:57,192 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:57,192 INFO L262 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2021-10-11 02:20:57,192 INFO L262 CegarLoopResult]: For program point L670-1(line 670) no Hoare annotation was computed. [2021-10-11 02:20:57,192 INFO L262 CegarLoopResult]: For program point L670-2(line 670) no Hoare annotation was computed. [2021-10-11 02:20:57,193 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2021-10-11 02:20:57,193 INFO L262 CegarLoopResult]: For program point L721(lines 721 725) no Hoare annotation was computed. [2021-10-11 02:20:57,193 INFO L262 CegarLoopResult]: For program point L721-3(lines 721 725) no Hoare annotation was computed. [2021-10-11 02:20:57,193 INFO L262 CegarLoopResult]: For program point L721-6(lines 721 725) no Hoare annotation was computed. [2021-10-11 02:20:57,193 INFO L262 CegarLoopResult]: For program point L639(lines 639 652) no Hoare annotation was computed. [2021-10-11 02:20:57,193 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:20:57,193 INFO L258 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,193 INFO L258 CegarLoopResult]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2021-10-11 02:20:57,194 INFO L258 CegarLoopResult]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2021-10-11 02:20:57,194 INFO L265 CegarLoopResult]: At program point L887(lines 868 890) the Hoare annotation is: true [2021-10-11 02:20:57,194 INFO L258 CegarLoopResult]: At program point L854(lines 850 856) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:57,194 INFO L258 CegarLoopResult]: At program point L657(lines 608 658) the Hoare annotation is: false [2021-10-11 02:20:57,194 INFO L258 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: false [2021-10-11 02:20:57,194 INFO L262 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2021-10-11 02:20:57,194 INFO L258 CegarLoopResult]: At program point L758(lines 753 761) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,195 INFO L258 CegarLoopResult]: At program point L758-1(lines 753 761) the Hoare annotation is: false [2021-10-11 02:20:57,195 INFO L262 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:20:57,195 INFO L258 CegarLoopResult]: At program point L758-2(lines 753 761) the Hoare annotation is: false [2021-10-11 02:20:57,195 INFO L258 CegarLoopResult]: At program point L692-1(lines 1 890) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,195 INFO L262 CegarLoopResult]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:20:57,195 INFO L258 CegarLoopResult]: At program point L692-3(lines 1 890) the Hoare annotation is: false [2021-10-11 02:20:57,195 INFO L262 CegarLoopResult]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2021-10-11 02:20:57,196 INFO L258 CegarLoopResult]: At program point L692-5(lines 1 890) the Hoare annotation is: false [2021-10-11 02:20:57,196 INFO L262 CegarLoopResult]: For program point L610(lines 609 656) no Hoare annotation was computed. [2021-10-11 02:20:57,196 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:20:57,196 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 670) no Hoare annotation was computed. [2021-10-11 02:20:57,196 INFO L262 CegarLoopResult]: For program point L611(lines 611 615) no Hoare annotation was computed. [2021-10-11 02:20:57,196 INFO L258 CegarLoopResult]: At program point L463(lines 462 481) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,196 INFO L262 CegarLoopResult]: For program point L463-1(lines 463 469) no Hoare annotation was computed. [2021-10-11 02:20:57,196 INFO L258 CegarLoopResult]: At program point L463-2(lines 462 481) the Hoare annotation is: false [2021-10-11 02:20:57,197 INFO L258 CegarLoopResult]: At program point L463-3(lines 462 481) the Hoare annotation is: false [2021-10-11 02:20:57,197 INFO L262 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2021-10-11 02:20:57,197 INFO L262 CegarLoopResult]: For program point L810-1(lines 463 469) no Hoare annotation was computed. [2021-10-11 02:20:57,197 INFO L262 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2021-10-11 02:20:57,197 INFO L258 CegarLoopResult]: At program point L645-1(lines 463 469) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,197 INFO L258 CegarLoopResult]: At program point L67(lines 1 890) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:20:57,197 INFO L262 CegarLoopResult]: For program point L629(lines 629 635) no Hoare annotation was computed. [2021-10-11 02:20:57,197 INFO L258 CegarLoopResult]: At program point L629-1(lines 629 635) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:20:57,198 INFO L262 CegarLoopResult]: For program point L745(lines 745 749) no Hoare annotation was computed. [2021-10-11 02:20:57,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:57 BoogieIcfgContainer [2021-10-11 02:20:57,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:20:57,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:20:57,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:20:57,220 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:20:57,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:53" (3/4) ... [2021-10-11 02:20:57,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:20:57,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:20:57,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:20:57,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:20:57,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:20:57,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:20:57,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:57,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:20:57,278 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:20:57,324 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84af48c-bfdf-46d7-9f23-9be17b482521/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:20:57,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:20:57,326 INFO L168 Benchmark]: Toolchain (without parser) took 7653.56 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 37.9 MB in the beginning and 45.0 MB in the end (delta: -7.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:57,326 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 58.7 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:20:57,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.89 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 52.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:57,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.45 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 50.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:57,328 INFO L168 Benchmark]: Boogie Preprocessor took 48.34 ms. Allocated memory is still 71.3 MB. Free memory was 50.0 MB in the beginning and 47.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:57,329 INFO L168 Benchmark]: RCFGBuilder took 2662.74 ms. Allocated memory is still 71.3 MB. Free memory was 47.9 MB in the beginning and 38.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:57,329 INFO L168 Benchmark]: TraceAbstraction took 3997.10 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 38.1 MB in the beginning and 50.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:57,330 INFO L168 Benchmark]: Witness Printer took 105.55 ms. Allocated memory is still 88.1 MB. Free memory was 50.6 MB in the beginning and 45.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:20:57,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 58.7 MB. Free memory is still 40.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 763.89 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 52.6 MB in the end (delta: -14.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.45 ms. Allocated memory is still 71.3 MB. Free memory was 52.6 MB in the beginning and 50.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.34 ms. Allocated memory is still 71.3 MB. Free memory was 50.0 MB in the beginning and 47.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2662.74 ms. Allocated memory is still 71.3 MB. Free memory was 47.9 MB in the beginning and 38.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3997.10 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 38.1 MB in the beginning and 50.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Witness Printer took 105.55 ms. Allocated memory is still 88.1 MB. Free memory was 50.6 MB in the beginning and 45.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 670]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 271 SDslu, 298 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 128 HoareAnnotationTreeSize, 27 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4953 SizeOfPredicates, 7 NumberOfNonLiveVariables, 986 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...