./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:09,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:09,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:09,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:09,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:09,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:09,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:09,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:09,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:09,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:09,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:09,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:09,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:09,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:09,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:09,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:09,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:09,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:09,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:09,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:09,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:09,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:09,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:09,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:09,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:09,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:09,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:09,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:09,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:09,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:09,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:09,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:09,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:09,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:09,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:09,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:09,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:09,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:09,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:09,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:09,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:09,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:26:09,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:09,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:09,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:09,507 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:09,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:09,507 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:09,508 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:09,508 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:09,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:09,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:09,510 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:09,510 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:09,510 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:09,510 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:09,511 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:09,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:09,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:09,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:09,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:09,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:09,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:09,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:09,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:09,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:09,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:09,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:09,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:09,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:09,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:09,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:09,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:09,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:09,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:09,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:09,518 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:09,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:09,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:09,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:09,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:09,519 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_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2021-10-11 02:26:09,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:09,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:09,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:09,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:09,891 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:09,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-10-11 02:26:09,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/8b4a2115f/5f773b8550cf4017b83cc3c66f20ce1f/FLAGbad2f6458 [2021-10-11 02:26:10,439 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:10,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-10-11 02:26:10,463 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/8b4a2115f/5f773b8550cf4017b83cc3c66f20ce1f/FLAGbad2f6458 [2021-10-11 02:26:10,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/8b4a2115f/5f773b8550cf4017b83cc3c66f20ce1f [2021-10-11 02:26:10,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:10,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:10,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:10,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:10,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:10,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e212c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:10, skipping insertion in model container [2021-10-11 02:26:10,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:10" (1/1) ... [2021-10-11 02:26:10,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:10,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:11,078 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2021-10-11 02:26:11,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:11,163 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:26:11,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27b0606d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:11, skipping insertion in model container [2021-10-11 02:26:11,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:11,165 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:11,167 INFO L168 Benchmark]: Toolchain (without parser) took 375.84 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 50.1 MB in the beginning and 82.8 MB in the end (delta: -32.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:11,168 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 67.0 MB in the beginning and 66.9 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:11,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.96 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 49.9 MB in the beginning and 82.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:11,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 67.0 MB in the beginning and 66.9 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.96 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 49.9 MB in the beginning and 82.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 455]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:13,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:13,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:13,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:13,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:13,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:13,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:13,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:13,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:13,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:13,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:13,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:13,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:13,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:13,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:13,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:13,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:13,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:13,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:13,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:13,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:13,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:13,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:13,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:13,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:13,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:13,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:13,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:13,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:13,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:13,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:13,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:13,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:13,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:13,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:13,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:13,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:13,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:13,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:13,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:13,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:13,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:26:13,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:13,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:13,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:13,581 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:13,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:13,581 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:13,582 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:13,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:13,582 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:13,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:13,585 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:26:13,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:26:13,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:13,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:26:13,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:13,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:26:13,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:13,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:13,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:13,587 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:26:13,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:26:13,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:13,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:26:13,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:13,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:13,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:13,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:13,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:13,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:13,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:26:13,589 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:13,590 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:13,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:26:13,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:13,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:13,591 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_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2021-10-11 02:26:13,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:13,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:13,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:13,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:13,991 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:13,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-10-11 02:26:14,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/59b78c17b/79ae12b198fd4709bf475a98b9572cf8/FLAG6958dfa2b [2021-10-11 02:26:14,708 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:14,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-10-11 02:26:14,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/59b78c17b/79ae12b198fd4709bf475a98b9572cf8/FLAG6958dfa2b [2021-10-11 02:26:14,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/data/59b78c17b/79ae12b198fd4709bf475a98b9572cf8 [2021-10-11 02:26:14,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:14,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:15,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:15,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:15,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:15,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:14" (1/1) ... [2021-10-11 02:26:15,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27213d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15, skipping insertion in model container [2021-10-11 02:26:15,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:14" (1/1) ... [2021-10-11 02:26:15,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:15,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:15,261 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2021-10-11 02:26:15,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:15,393 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:26:15,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:15,466 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2021-10-11 02:26:15,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:15,565 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:26:15,609 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4218,4231] [2021-10-11 02:26:15,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:26:15,720 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:26:15,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15 WrapperNode [2021-10-11 02:26:15,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:15,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:15,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:26:15,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:26:15,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:26:15,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:26:15,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:26:15,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:26:15,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... [2021-10-11 02:26:15,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:26:15,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:26:15,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:26:15,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:26:15,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:26:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:26:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:26:15,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:26:17,922 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:26:17,922 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-11 02:26:17,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:17 BoogieIcfgContainer [2021-10-11 02:26:17,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:26:17,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:26:17,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:26:17,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:26:17,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:26:14" (1/3) ... [2021-10-11 02:26:17,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5bfb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:17, skipping insertion in model container [2021-10-11 02:26:17,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15" (2/3) ... [2021-10-11 02:26:17,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5bfb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:26:17, skipping insertion in model container [2021-10-11 02:26:17,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:17" (3/3) ... [2021-10-11 02:26:17,932 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2021-10-11 02:26:17,946 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:26:17,948 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:26:17,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:26:17,978 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:26:17,978 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:26:17,978 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:26:17,978 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:26:17,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:26:17,979 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:26:17,979 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:26:17,979 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:26:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2021-10-11 02:26:18,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:26:18,001 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:18,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:18,002 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:18,007 INFO L82 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-10-11 02:26:18,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:18,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035644092] [2021-10-11 02:26:18,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:18,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:26:18,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:18,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:18,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035644092] [2021-10-11 02:26:18,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:18,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:26:18,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924791948] [2021-10-11 02:26:18,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:26:18,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:18,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:26:18,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:18,392 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2021-10-11 02:26:18,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:18,416 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-11 02:26:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:26:18,417 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:26:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:18,434 INFO L225 Difference]: With dead ends: 112 [2021-10-11 02:26:18,434 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:26:18,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:26:18,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:26:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:26:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:26:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-11 02:26:18,495 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-11 02:26:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:18,495 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-11 02:26:18,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:26:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-11 02:26:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:26:18,497 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:18,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:18,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:18,717 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:18,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:18,718 INFO L82 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-10-11 02:26:18,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:18,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159159677] [2021-10-11 02:26:18,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:18,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:18,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:18,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:18,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159159677] [2021-10-11 02:26:18,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:18,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:18,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557796721] [2021-10-11 02:26:18,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:18,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:18,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:18,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:18,986 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand 3 states. [2021-10-11 02:26:19,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:19,010 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-11 02:26:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:19,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:26:19,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:19,012 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:26:19,012 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 02:26:19,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:19,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 02:26:19,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 02:26:19,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 02:26:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 02:26:19,018 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-11 02:26:19,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:19,018 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 02:26:19,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:19,018 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 02:26:19,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:26:19,019 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:19,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:19,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:26:19,237 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:19,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:19,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-10-11 02:26:19,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:19,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209602457] [2021-10-11 02:26:19,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:19,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:26:19,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:19,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:19,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209602457] [2021-10-11 02:26:19,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:19,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:19,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975126090] [2021-10-11 02:26:19,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:26:19,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:19,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:26:19,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:19,503 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 3 states. [2021-10-11 02:26:19,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:19,545 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-11 02:26:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:26:19,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:26:19,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:19,547 INFO L225 Difference]: With dead ends: 75 [2021-10-11 02:26:19,547 INFO L226 Difference]: Without dead ends: 52 [2021-10-11 02:26:19,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:26:19,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-11 02:26:19,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-11 02:26:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 02:26:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-11 02:26:19,558 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-11 02:26:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:19,558 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-11 02:26:19,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:26:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-11 02:26:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:26:19,560 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:19,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:19,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:26:19,776 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:19,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:19,777 INFO L82 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-10-11 02:26:19,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:19,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560579670] [2021-10-11 02:26:19,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:19,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:19,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:20,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:20,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:20,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560579670] [2021-10-11 02:26:20,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:20,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:26:20,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495119871] [2021-10-11 02:26:20,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:20,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:20,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:20,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:20,055 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand 5 states. [2021-10-11 02:26:20,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:20,189 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2021-10-11 02:26:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:26:20,190 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:26:20,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:20,197 INFO L225 Difference]: With dead ends: 214 [2021-10-11 02:26:20,198 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 02:26:20,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:26:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 02:26:20,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 84. [2021-10-11 02:26:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2021-10-11 02:26:20,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2021-10-11 02:26:20,228 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 22 [2021-10-11 02:26:20,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:20,229 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2021-10-11 02:26:20,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2021-10-11 02:26:20,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:26:20,231 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:20,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:20,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:20,444 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:20,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:20,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1127718650, now seen corresponding path program 1 times [2021-10-11 02:26:20,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:20,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643215668] [2021-10-11 02:26:20,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:26:20,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:26:20,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:26:20,693 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:20,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643215668] [2021-10-11 02:26:20,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:20,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:26:20,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068990774] [2021-10-11 02:26:20,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:20,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:20,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:20,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:26:20,695 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand 5 states. [2021-10-11 02:26:20,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:20,829 INFO L93 Difference]: Finished difference Result 268 states and 395 transitions. [2021-10-11 02:26:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:20,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 02:26:20,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:20,831 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:26:20,832 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:20,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:26:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:20,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:26:20,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:20,842 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:20,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:20,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:20,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:21,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:21,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:21,417 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2021-10-11 02:26:21,417 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,418 INFO L262 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2021-10-11 02:26:21,418 INFO L262 CegarLoopResult]: For program point L253(lines 253 259) no Hoare annotation was computed. [2021-10-11 02:26:21,418 INFO L258 CegarLoopResult]: At program point L253-1(lines 253 259) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,418 INFO L262 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2021-10-11 02:26:21,418 INFO L258 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,418 INFO L258 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2021-10-11 02:26:21,419 INFO L258 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2021-10-11 02:26:21,419 INFO L258 CegarLoopResult]: At program point L388(lines 1 887) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:21,419 INFO L262 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-10-11 02:26:21,419 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,419 INFO L262 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2021-10-11 02:26:21,419 INFO L262 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2021-10-11 02:26:21,419 INFO L265 CegarLoopResult]: At program point L884(lines 865 887) the Hoare annotation is: true [2021-10-11 02:26:21,419 INFO L258 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2021-10-11 02:26:21,419 INFO L262 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2021-10-11 02:26:21,420 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2021-10-11 02:26:21,420 INFO L258 CegarLoopResult]: At program point L852(lines 848 854) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:21,420 INFO L262 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2021-10-11 02:26:21,420 INFO L258 CegarLoopResult]: At program point L209(lines 204 212) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,420 INFO L258 CegarLoopResult]: At program point L209-1(lines 204 212) the Hoare annotation is: false [2021-10-11 02:26:21,420 INFO L258 CegarLoopResult]: At program point L209-2(lines 204 212) the Hoare annotation is: false [2021-10-11 02:26:21,420 INFO L258 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: false [2021-10-11 02:26:21,420 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,421 INFO L262 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2021-10-11 02:26:21,421 INFO L258 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,421 INFO L258 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,421 INFO L258 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2021-10-11 02:26:21,421 INFO L262 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2021-10-11 02:26:21,421 INFO L258 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2021-10-11 02:26:21,421 INFO L262 CegarLoopResult]: For program point L409(lines 409 422) no Hoare annotation was computed. [2021-10-11 02:26:21,421 INFO L258 CegarLoopResult]: At program point L409-1(lines 1 887) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,422 INFO L262 CegarLoopResult]: For program point L409-2(lines 409 422) no Hoare annotation was computed. [2021-10-11 02:26:21,422 INFO L258 CegarLoopResult]: At program point L409-3(lines 1 887) the Hoare annotation is: false [2021-10-11 02:26:21,422 INFO L262 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2021-10-11 02:26:21,422 INFO L262 CegarLoopResult]: For program point L409-4(lines 409 422) no Hoare annotation was computed. [2021-10-11 02:26:21,422 INFO L262 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2021-10-11 02:26:21,422 INFO L258 CegarLoopResult]: At program point L409-5(lines 1 887) the Hoare annotation is: false [2021-10-11 02:26:21,422 INFO L262 CegarLoopResult]: For program point L277-2(line 277) no Hoare annotation was computed. [2021-10-11 02:26:21,422 INFO L262 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2021-10-11 02:26:21,422 INFO L258 CegarLoopResult]: At program point L96-1(lines 132 138) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,422 INFO L262 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2021-10-11 02:26:21,423 INFO L262 CegarLoopResult]: For program point L808-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:26:21,423 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:21,423 INFO L262 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2021-10-11 02:26:21,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2021-10-11 02:26:21,423 INFO L258 CegarLoopResult]: At program point L396(lines 391 399) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:26:21,423 INFO L262 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2021-10-11 02:26:21,423 INFO L265 CegarLoopResult]: At program point L875-1(lines 875 882) the Hoare annotation is: true [2021-10-11 02:26:21,423 INFO L258 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,424 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 02:26:21,424 INFO L258 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2021-10-11 02:26:21,424 INFO L258 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2021-10-11 02:26:21,424 INFO L262 CegarLoopResult]: For program point L413(lines 413 419) no Hoare annotation was computed. [2021-10-11 02:26:21,424 INFO L262 CegarLoopResult]: For program point L413-2(lines 413 419) no Hoare annotation was computed. [2021-10-11 02:26:21,424 INFO L262 CegarLoopResult]: For program point L413-4(lines 413 419) no Hoare annotation was computed. [2021-10-11 02:26:21,424 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-10-11 02:26:21,424 INFO L258 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:26:21,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:21 BoogieIcfgContainer [2021-10-11 02:26:21,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:21,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:21,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:21,441 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:21,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:26:17" (3/4) ... [2021-10-11 02:26:21,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:21,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:26:21,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:26:21,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:26:21,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:26:21,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:26:21,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:21,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:21,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-11 02:26:21,521 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050f67a-b39e-47d3-bbfc-83a8ccedb17a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:21,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:21,522 INFO L168 Benchmark]: Toolchain (without parser) took 6522.19 ms. Allocated memory was 56.6 MB in the beginning and 111.1 MB in the end (delta: 54.5 MB). Free memory was 33.3 MB in the beginning and 74.7 MB in the end (delta: -41.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,523 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:21,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.15 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.1 MB in the beginning and 38.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.73 ms. Allocated memory is still 69.2 MB. Free memory was 38.1 MB in the beginning and 35.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,524 INFO L168 Benchmark]: Boogie Preprocessor took 49.22 ms. Allocated memory is still 69.2 MB. Free memory was 35.7 MB in the beginning and 33.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,525 INFO L168 Benchmark]: RCFGBuilder took 2095.00 ms. Allocated memory is still 69.2 MB. Free memory was 33.6 MB in the beginning and 36.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,525 INFO L168 Benchmark]: TraceAbstraction took 3514.12 ms. Allocated memory was 69.2 MB in the beginning and 111.1 MB in the end (delta: 41.9 MB). Free memory was 36.0 MB in the beginning and 80.0 MB in the end (delta: -44.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,525 INFO L168 Benchmark]: Witness Printer took 80.57 ms. Allocated memory is still 111.1 MB. Free memory was 80.0 MB in the beginning and 74.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 56.6 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.15 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.1 MB in the beginning and 38.3 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.73 ms. Allocated memory is still 69.2 MB. Free memory was 38.1 MB in the beginning and 35.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.22 ms. Allocated memory is still 69.2 MB. Free memory was 35.7 MB in the beginning and 33.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2095.00 ms. Allocated memory is still 69.2 MB. Free memory was 33.6 MB in the beginning and 36.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3514.12 ms. Allocated memory was 69.2 MB in the beginning and 111.1 MB in the end (delta: 41.9 MB). Free memory was 36.0 MB in the beginning and 80.0 MB in the end (delta: -44.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * Witness Printer took 80.57 ms. Allocated memory is still 111.1 MB. Free memory was 80.0 MB in the beginning and 74.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 277]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 277]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 277]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 270 SDtfs, 292 SDslu, 270 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 92 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 112 NumberOfFragments, 116 HoareAnnotationTreeSize, 26 FomulaSimplifications, 2909 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 3099 SizeOfPredicates, 7 NumberOfNonLiveVariables, 974 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...