./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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 fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:08:25,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:08:25,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:08:25,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:08:25,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:08:25,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:08:25,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:08:25,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:08:25,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:08:25,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:08:25,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:08:25,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:08:25,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:08:25,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:08:25,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:08:25,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:08:25,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:08:25,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:08:25,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:08:25,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:08:25,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:08:25,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:08:25,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:08:25,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:08:25,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:08:25,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:08:25,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:08:25,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:08:25,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:08:25,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:08:25,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:08:25,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:08:25,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:08:25,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:08:25,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:08:25,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:08:25,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:08:25,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:08:25,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:08:25,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:08:25,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:08:25,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:08:25,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:08:25,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:08:25,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:08:25,405 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:08:25,405 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:08:25,405 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:08:25,406 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:08:25,406 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:08:25,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:08:25,406 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:08:25,407 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:08:25,408 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:08:25,408 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:08:25,408 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:08:25,408 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:08:25,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:08:25,409 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:08:25,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:08:25,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:08:25,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:08:25,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:08:25,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:08:25,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:08:25,411 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:08:25,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:08:25,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:08:25,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:08:25,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:08:25,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:08:25,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:08:25,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:25,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:08:25,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:08:25,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:08:25,414 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:08:25,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:08:25,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:08:25,415 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:08:25,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:08:25,415 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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 [2021-11-07 01:08:25,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:08:25,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:08:25,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:08:25,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:08:25,695 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:08:25,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-11-07 01:08:25,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/f66fbfe5c/51eb4e6081d34b64800aba419036e1dd/FLAG52927ea19 [2021-11-07 01:08:26,396 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:08:26,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-11-07 01:08:26,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/f66fbfe5c/51eb4e6081d34b64800aba419036e1dd/FLAG52927ea19 [2021-11-07 01:08:26,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/f66fbfe5c/51eb4e6081d34b64800aba419036e1dd [2021-11-07 01:08:26,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:08:26,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:08:26,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:26,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:08:26,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:08:26,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:26" (1/1) ... [2021-11-07 01:08:26,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bffc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:26, skipping insertion in model container [2021-11-07 01:08:26,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:26" (1/1) ... [2021-11-07 01:08:26,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:08:26,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:08:27,101 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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2021-11-07 01:08:27,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:27,132 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 01:08:27,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@222bf1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:27, skipping insertion in model container [2021-11-07 01:08:27,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:27,134 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:08:27,138 INFO L168 Benchmark]: Toolchain (without parser) took 478.00 ms. Allocated memory is still 134.2 MB. Free memory was 91.7 MB in the beginning and 105.2 MB in the end (delta: -13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:27,140 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 134.2 MB. Free memory was 109.9 MB in the beginning and 109.8 MB in the end (delta: 79.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:08:27,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.37 ms. Allocated memory is still 134.2 MB. Free memory was 91.5 MB in the beginning and 105.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:27,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 134.2 MB. Free memory was 109.9 MB in the beginning and 109.8 MB in the end (delta: 79.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.37 ms. Allocated memory is still 134.2 MB. Free memory was 91.5 MB in the beginning and 105.2 MB in the end (delta: -13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 458]: 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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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 fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:08:29,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:08:29,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:08:29,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:08:29,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:08:29,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:08:29,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:08:29,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:08:29,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:08:29,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:08:29,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:08:29,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:08:29,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:08:29,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:08:29,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:08:29,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:08:29,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:08:29,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:08:29,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:08:29,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:08:29,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:08:29,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:08:29,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:08:29,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:08:29,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:08:29,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:08:29,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:08:29,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:08:29,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:08:29,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:08:29,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:08:29,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:08:29,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:08:29,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:08:29,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:08:29,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:08:29,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:08:29,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:08:29,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:08:29,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:08:29,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:08:29,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:08:29,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:08:29,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:08:29,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:08:29,446 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:08:29,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:08:29,446 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:08:29,446 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:08:29,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:08:29,447 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:08:29,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:08:29,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:08:29,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:08:29,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:08:29,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:08:29,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:08:29,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:08:29,450 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:08:29,450 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:08:29,450 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:08:29,451 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:08:29,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:08:29,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:08:29,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:08:29,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:08:29,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:08:29,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:08:29,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:29,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:08:29,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:08:29,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:08:29,454 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:08:29,454 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:08:29,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:08:29,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:08:29,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:08:29,455 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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 [2021-11-07 01:08:29,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:08:29,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:08:29,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:08:29,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:08:29,909 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:08:29,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-11-07 01:08:29,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/0c6c052c7/dc4c748bc3d74e01b5c1df597eacf6ca/FLAG475cd82b8 [2021-11-07 01:08:30,576 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:08:30,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-11-07 01:08:30,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/0c6c052c7/dc4c748bc3d74e01b5c1df597eacf6ca/FLAG475cd82b8 [2021-11-07 01:08:30,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/data/0c6c052c7/dc4c748bc3d74e01b5c1df597eacf6ca [2021-11-07 01:08:31,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:08:31,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:08:31,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:31,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:08:31,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:08:31,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:30" (1/1) ... [2021-11-07 01:08:31,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603c6f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31, skipping insertion in model container [2021-11-07 01:08:31,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:30" (1/1) ... [2021-11-07 01:08:31,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:08:31,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:08:31,396 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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2021-11-07 01:08:31,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:31,418 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:08:31,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:08:31,503 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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2021-11-07 01:08:31,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:31,524 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:08:31,632 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_495e9e0a-eab1-4816-9f75-79f4feaf7a18/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2021-11-07 01:08:31,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:31,658 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:08:31,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31 WrapperNode [2021-11-07 01:08:31,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:31,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:08:31,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:08:31,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:08:31,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:08:31,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:08:31,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:08:31,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:08:31,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:08:31,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:08:31,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:08:31,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:08:31,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (1/1) ... [2021-11-07 01:08:31,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:31,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:08:31,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:08:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:08:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:08:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:08:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:08:34,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:08:34,155 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-07 01:08:34,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:34 BoogieIcfgContainer [2021-11-07 01:08:34,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:08:34,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:08:34,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:08:34,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:08:34,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:08:30" (1/3) ... [2021-11-07 01:08:34,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e7d42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:34, skipping insertion in model container [2021-11-07 01:08:34,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:31" (2/3) ... [2021-11-07 01:08:34,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e7d42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:34, skipping insertion in model container [2021-11-07 01:08:34,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:34" (3/3) ... [2021-11-07 01:08:34,166 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2021-11-07 01:08:34,172 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:08:34,172 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:08:34,218 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:08:34,224 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 01:08:34,224 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:08:34,240 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 01:08:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:08:34,246 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:34,247 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 01:08:34,248 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 01:08:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:34,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1295986076, now seen corresponding path program 1 times [2021-11-07 01:08:34,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:34,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984630385] [2021-11-07 01:08:34,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:34,270 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:34,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:34,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:34,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:08:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:34,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:08:34,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:34,605 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 01:08:34,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:34,676 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 01:08:34,677 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:34,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984630385] [2021-11-07 01:08:34,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984630385] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:34,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:34,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:08:34,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393587854] [2021-11-07 01:08:34,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:08:34,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:34,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:08:34,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:08:34,709 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 01:08:34,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:34,751 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2021-11-07 01:08:34,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:08:34,752 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 01:08:34,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:34,763 INFO L225 Difference]: With dead ends: 139 [2021-11-07 01:08:34,764 INFO L226 Difference]: Without dead ends: 69 [2021-11-07 01:08:34,767 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 01:08:34,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-07 01:08:34,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-07 01:08:34,799 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 01:08:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-11-07 01:08:34,801 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2021-11-07 01:08:34,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:34,802 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-11-07 01:08:34,802 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 01:08:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2021-11-07 01:08:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:08:34,804 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:34,804 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 01:08:34,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:35,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:35,017 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 01:08:35,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:35,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1514822045, now seen corresponding path program 1 times [2021-11-07 01:08:35,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:35,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347028213] [2021-11-07 01:08:35,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:35,020 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:35,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:35,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:35,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:08:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:35,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:08:35,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:35,333 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 01:08:35,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:35,417 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 01:08:35,417 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:35,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347028213] [2021-11-07 01:08:35,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347028213] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:35,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:35,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:08:35,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019605627] [2021-11-07 01:08:35,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:08:35,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:35,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:08:35,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:08:35,426 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 01:08:35,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:35,455 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2021-11-07 01:08:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:08:35,456 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 01:08:35,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:35,460 INFO L225 Difference]: With dead ends: 69 [2021-11-07 01:08:35,460 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:08:35,461 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 01:08:35,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:08:35,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:08:35,471 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 01:08:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:08:35,473 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-11-07 01:08:35,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:35,474 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:08:35,475 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 01:08:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:08:35,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:08:35,476 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:35,480 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 01:08:35,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:35,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:35,693 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 01:08:35,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:35,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2021-11-07 01:08:35,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:35,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491362890] [2021-11-07 01:08:35,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:35,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:35,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:35,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:35,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:08:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:35,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:08:35,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:35,989 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 01:08:35,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:36,076 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 01:08:36,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:36,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491362890] [2021-11-07 01:08:36,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491362890] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:36,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:36,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:08:36,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206621383] [2021-11-07 01:08:36,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:08:36,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:36,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:08:36,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:08:36,084 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:36,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:36,121 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-11-07 01:08:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:08:36,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:08:36,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:36,123 INFO L225 Difference]: With dead ends: 59 [2021-11-07 01:08:36,123 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:08:36,124 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 01:08:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:08:36,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:08:36,128 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 01:08:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 01:08:36,129 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-11-07 01:08:36,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:36,130 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 01:08:36,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-07 01:08:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:08:36,131 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:36,131 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 01:08:36,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:36,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:36,345 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 01:08:36,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:36,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2021-11-07 01:08:36,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:36,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626289039] [2021-11-07 01:08:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:36,347 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:36,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:36,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:36,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:08:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:36,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:08:36,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:36,670 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 01:08:36,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:36,782 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 01:08:36,782 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:36,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626289039] [2021-11-07 01:08:36,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626289039] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:36,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:36,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:08:36,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631701788] [2021-11-07 01:08:36,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:08:36,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:36,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:08:36,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:08:36,785 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 01:08:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:36,924 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2021-11-07 01:08:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:08:36,925 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 01:08:36,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:36,926 INFO L225 Difference]: With dead ends: 135 [2021-11-07 01:08:36,926 INFO L226 Difference]: Without dead ends: 109 [2021-11-07 01:08:36,927 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 01:08:36,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-07 01:08:36,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2021-11-07 01:08:36,937 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 01:08:36,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-11-07 01:08:36,937 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2021-11-07 01:08:36,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:36,938 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-11-07 01:08:36,938 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 01:08:36,938 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-11-07 01:08:36,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:08:36,939 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:36,940 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 01:08:36,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:37,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:37,152 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 01:08:37,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2021-11-07 01:08:37,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:37,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012298403] [2021-11-07 01:08:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:37,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:37,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:37,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:08:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:37,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:08:37,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:37,484 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 01:08:37,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:37,557 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 01:08:37,558 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:37,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012298403] [2021-11-07 01:08:37,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012298403] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:37,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:37,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:08:37,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61343034] [2021-11-07 01:08:37,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:08:37,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:37,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:08:37,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:08:37,567 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 01:08:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:37,682 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2021-11-07 01:08:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:08:37,683 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 01:08:37,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:37,684 INFO L225 Difference]: With dead ends: 146 [2021-11-07 01:08:37,684 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:08:37,688 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 01:08:37,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:08:37,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:08:37,689 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 01:08:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:08:37,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-07 01:08:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:37,691 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:08:37,691 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 01:08:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:08:37,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:08:37,694 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:08:37,695 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:08:37,695 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:08:37,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:37,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:37,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:08:37,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:37,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:38,262 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-11-07 01:08:38,262 INFO L857 garLoopResultBuilder]: For program point L316-3(lines 316 320) no Hoare annotation was computed. [2021-11-07 01:08:38,262 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 800) no Hoare annotation was computed. [2021-11-07 01:08:38,262 INFO L853 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2021-11-07 01:08:38,263 INFO L857 garLoopResultBuilder]: For program point L316-6(lines 316 320) no Hoare annotation was computed. [2021-11-07 01:08:38,263 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:08:38,263 INFO L853 garLoopResultBuilder]: At program point L251(lines 244 254) the Hoare annotation is: false [2021-11-07 01:08:38,263 INFO L853 garLoopResultBuilder]: At program point L251-1(lines 244 254) the Hoare annotation is: false [2021-11-07 01:08:38,263 INFO L853 garLoopResultBuilder]: At program point L251-2(lines 244 254) the Hoare annotation is: false [2021-11-07 01:08:38,263 INFO L857 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2021-11-07 01:08:38,263 INFO L860 garLoopResultBuilder]: At program point L897(lines 878 900) the Hoare annotation is: true [2021-11-07 01:08:38,264 INFO L853 garLoopResultBuilder]: At program point L864(lines 860 866) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,264 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-11-07 01:08:38,264 INFO L853 garLoopResultBuilder]: At program point L353(lines 348 356) the Hoare annotation is: false [2021-11-07 01:08:38,264 INFO L853 garLoopResultBuilder]: At program point L353-1(lines 348 356) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,264 INFO L853 garLoopResultBuilder]: At program point L353-2(lines 348 356) the Hoare annotation is: false [2021-11-07 01:08:38,265 INFO L853 garLoopResultBuilder]: At program point L353-3(lines 348 356) the Hoare annotation is: false [2021-11-07 01:08:38,266 INFO L853 garLoopResultBuilder]: At program point L353-4(lines 348 356) the Hoare annotation is: false [2021-11-07 01:08:38,266 INFO L853 garLoopResultBuilder]: At program point L353-5(lines 348 356) the Hoare annotation is: false [2021-11-07 01:08:38,266 INFO L853 garLoopResultBuilder]: At program point L816-2(lines 816 830) the Hoare annotation is: false [2021-11-07 01:08:38,267 INFO L857 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2021-11-07 01:08:38,267 INFO L857 garLoopResultBuilder]: For program point L800-1(line 800) no Hoare annotation was computed. [2021-11-07 01:08:38,267 INFO L857 garLoopResultBuilder]: For program point L800-2(line 800) no Hoare annotation was computed. [2021-11-07 01:08:38,268 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2021-11-07 01:08:38,268 INFO L853 garLoopResultBuilder]: At program point L123-1(lines 123 129) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,268 INFO L857 garLoopResultBuilder]: For program point L817(line 817) no Hoare annotation was computed. [2021-11-07 01:08:38,268 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:08:38,269 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 224) no Hoare annotation was computed. [2021-11-07 01:08:38,269 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 207 224) no Hoare annotation was computed. [2021-11-07 01:08:38,269 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-11-07 01:08:38,269 INFO L857 garLoopResultBuilder]: For program point L207-2(lines 207 224) no Hoare annotation was computed. [2021-11-07 01:08:38,269 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 900) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,270 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 175 181) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,271 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 800) no Hoare annotation was computed. [2021-11-07 01:08:38,272 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 344) no Hoare annotation was computed. [2021-11-07 01:08:38,272 INFO L853 garLoopResultBuilder]: At program point L175(lines 174 193) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,272 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2021-11-07 01:08:38,272 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 174 193) the Hoare annotation is: false [2021-11-07 01:08:38,273 INFO L853 garLoopResultBuilder]: At program point L175-3(lines 174 193) the Hoare annotation is: false [2021-11-07 01:08:38,273 INFO L857 garLoopResultBuilder]: For program point L820(lines 820 824) no Hoare annotation was computed. [2021-11-07 01:08:38,273 INFO L857 garLoopResultBuilder]: For program point L820-1(lines 175 181) no Hoare annotation was computed. [2021-11-07 01:08:38,273 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:08:38,273 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 425) no Hoare annotation was computed. [2021-11-07 01:08:38,275 INFO L853 garLoopResultBuilder]: At program point L408-1(lines 1 900) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,275 INFO L857 garLoopResultBuilder]: For program point L408-2(lines 408 425) no Hoare annotation was computed. [2021-11-07 01:08:38,276 INFO L853 garLoopResultBuilder]: At program point L408-3(lines 1 900) the Hoare annotation is: false [2021-11-07 01:08:38,276 INFO L857 garLoopResultBuilder]: For program point L408-4(lines 408 425) no Hoare annotation was computed. [2021-11-07 01:08:38,276 INFO L853 garLoopResultBuilder]: At program point L408-5(lines 1 900) the Hoare annotation is: false [2021-11-07 01:08:38,277 INFO L853 garLoopResultBuilder]: At program point L260(lines 255 263) 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 01:08:38,280 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2021-11-07 01:08:38,282 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2021-11-07 01:08:38,282 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 895) no Hoare annotation was computed. [2021-11-07 01:08:38,283 INFO L860 garLoopResultBuilder]: At program point L888-1(lines 888 895) the Hoare annotation is: true [2021-11-07 01:08:38,283 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 219) no Hoare annotation was computed. [2021-11-07 01:08:38,285 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 211 219) no Hoare annotation was computed. [2021-11-07 01:08:38,285 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 219) no Hoare annotation was computed. [2021-11-07 01:08:38,285 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-11-07 01:08:38,285 INFO L853 garLoopResultBuilder]: At program point L113-1(lines 113 119) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,286 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 332) no Hoare annotation was computed. [2021-11-07 01:08:38,286 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:08:38,287 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 422) no Hoare annotation was computed. [2021-11-07 01:08:38,287 INFO L857 garLoopResultBuilder]: For program point L412-2(lines 412 422) no Hoare annotation was computed. [2021-11-07 01:08:38,287 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 800) no Hoare annotation was computed. [2021-11-07 01:08:38,287 INFO L857 garLoopResultBuilder]: For program point L412-4(lines 412 422) no Hoare annotation was computed. [2021-11-07 01:08:38,287 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 419) no Hoare annotation was computed. [2021-11-07 01:08:38,288 INFO L857 garLoopResultBuilder]: For program point L413-2(lines 413 419) no Hoare annotation was computed. [2021-11-07 01:08:38,288 INFO L857 garLoopResultBuilder]: For program point L413-4(lines 413 419) no Hoare annotation was computed. [2021-11-07 01:08:38,288 INFO L853 garLoopResultBuilder]: At program point L182(lines 182 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,288 INFO L853 garLoopResultBuilder]: At program point L182-1(lines 182 188) the Hoare annotation is: false [2021-11-07 01:08:38,289 INFO L853 garLoopResultBuilder]: At program point L182-2(lines 182 188) the Hoare annotation is: false [2021-11-07 01:08:38,289 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,290 INFO L853 garLoopResultBuilder]: At program point L397(lines 392 399) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:38,291 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2021-11-07 01:08:38,295 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:08:38,296 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:08:38,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:08:38 BoogieIcfgContainer [2021-11-07 01:08:38,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:08:38,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:08:38,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:08:38,343 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:08:38,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:34" (3/4) ... [2021-11-07 01:08:38,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:08:38,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:08:38,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:08:38,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:08:38,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:08:38,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:08:38,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:08:38,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:08:38,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:08:38,441 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:08:38,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:08:38,442 INFO L168 Benchmark]: Toolchain (without parser) took 7440.18 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 52.5 MB in the beginning and 93.1 MB in the end (delta: -40.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:08:38,443 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory was 70.1 MB in the beginning and 70.1 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:08:38,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.92 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 58.8 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:38,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.02 ms. Allocated memory is still 88.1 MB. Free memory was 58.8 MB in the beginning and 55.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:38,444 INFO L168 Benchmark]: Boogie Preprocessor took 39.04 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 53.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:38,445 INFO L168 Benchmark]: RCFGBuilder took 2398.36 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 53.5 MB in the beginning and 98.2 MB in the end (delta: -44.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:38,445 INFO L168 Benchmark]: TraceAbstraction took 4182.86 ms. Allocated memory is still 119.5 MB. Free memory was 97.6 MB in the beginning and 99.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:38,446 INFO L168 Benchmark]: Witness Printer took 98.81 ms. Allocated memory is still 119.5 MB. Free memory was 99.4 MB in the beginning and 93.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:38,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory was 70.1 MB in the beginning and 70.1 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 648.92 ms. Allocated memory is still 88.1 MB. Free memory was 52.3 MB in the beginning and 58.8 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.02 ms. Allocated memory is still 88.1 MB. Free memory was 58.8 MB in the beginning and 55.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.04 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 53.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2398.36 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 53.5 MB in the beginning and 98.2 MB in the end (delta: -44.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4182.86 ms. Allocated memory is still 119.5 MB. Free memory was 97.6 MB in the beginning and 99.4 MB in the end (delta: -1.8 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. * Witness Printer took 98.81 ms. Allocated memory is still 119.5 MB. Free memory was 99.4 MB in the beginning and 93.1 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: 800]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 800]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 800]: 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: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 303 SDtfs, 326 SDslu, 261 SDs, 0 SdLazy, 57 SolverSat, 13 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, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1334 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 7 NumberOfNonLiveVariables, 991 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: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 01:08:38,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_495e9e0a-eab1-4816-9f75-79f4feaf7a18/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