./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.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_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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_368606fa-f046-4382-a3be-ebc525716575/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 2db56498d5efee7ebbfc800217bb7d691cfe36ed ............................................................................................................................................ 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_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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_368606fa-f046-4382-a3be-ebc525716575/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 2db56498d5efee7ebbfc800217bb7d691cfe36ed .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:21:17,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:17,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:17,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:17,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:17,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:17,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:17,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:17,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:17,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:17,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:17,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:17,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:17,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:17,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:17,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:17,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:17,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:17,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:17,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:17,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:17,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:17,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:17,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:17,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:17,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:17,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:17,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:17,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:17,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:17,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:17,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:17,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:17,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:17,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:17,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:17,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:17,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:17,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:17,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:17,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:17,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:21:17,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:17,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:17,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:17,704 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:17,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:17,704 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:17,704 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:17,705 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:17,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:17,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:17,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:17,706 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:17,706 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:17,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:17,706 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:17,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:17,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:17,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:17,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:17,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:17,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:17,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:17,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:17,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:17,709 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:17,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:17,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:17,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:17,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:17,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:17,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:17,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:17,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:17,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:17,712 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:17,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:17,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:17,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:17,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:17,713 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_368606fa-f046-4382-a3be-ebc525716575/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2021-10-11 02:21:17,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:18,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:18,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:18,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:18,026 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:18,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-11 02:21:18,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/86b0d880b/b910d16c801b457093e5b1b9bc665045/FLAG7a6ca9835 [2021-10-11 02:21:18,721 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:18,727 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-11 02:21:18,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/86b0d880b/b910d16c801b457093e5b1b9bc665045/FLAG7a6ca9835 [2021-10-11 02:21:19,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/86b0d880b/b910d16c801b457093e5b1b9bc665045 [2021-10-11 02:21:19,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:19,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:19,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:19,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:19,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:19,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:19" (1/1) ... [2021-10-11 02:21:19,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3c9ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:19, skipping insertion in model container [2021-10-11 02:21:19,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:19" (1/1) ... [2021-10-11 02:21:19,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:19,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:19,273 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_368606fa-f046-4382-a3be-ebc525716575/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-10-11 02:21:19,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:19,496 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 02:21:19,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49eb9152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:19, skipping insertion in model container [2021-10-11 02:21:19,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:19,498 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:21:19,501 INFO L168 Benchmark]: Toolchain (without parser) took 468.32 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 48.7 MB in the beginning and 81.9 MB in the end (delta: -33.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:19,502 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:19,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.90 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 48.5 MB in the beginning and 82.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:19,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 66.3 MB in the beginning and 66.3 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 458.90 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 48.5 MB in the beginning and 82.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 504]: 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 02:21:21,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:21,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:21,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:21,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:21,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:21,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:21,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:21,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:21,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:21,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:21,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:21,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:21,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:21,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:21,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:21,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:21,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:21,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:21,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:21,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:21,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:21,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:21,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:21,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:21,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:21,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:21,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:21,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:21,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:21,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:21,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:21,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:21,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:21,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:21,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:21,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:21,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:21,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:21,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:21,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:21,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:21:22,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:22,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:22,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:22,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:22,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:22,050 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:22,050 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:22,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:22,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:22,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:22,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:22,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:22,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:22,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:22,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:22,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:22,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:22,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:21:22,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:21:22,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:22,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:22,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:22,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:22,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:22,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:21:22,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:22,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:22,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:22,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:22,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:22,059 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:21:22,059 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:22,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:22,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:22,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:22,060 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_368606fa-f046-4382-a3be-ebc525716575/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db56498d5efee7ebbfc800217bb7d691cfe36ed [2021-10-11 02:21:22,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:22,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:22,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:22,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:22,443 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:22,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-11 02:21:22,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/de5213352/6ceb3d9953cb40878fd7402696f8c286/FLAG0a4c89164 [2021-10-11 02:21:23,190 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:23,190 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-11 02:21:23,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/de5213352/6ceb3d9953cb40878fd7402696f8c286/FLAG0a4c89164 [2021-10-11 02:21:23,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/data/de5213352/6ceb3d9953cb40878fd7402696f8c286 [2021-10-11 02:21:23,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:23,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:23,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:23,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:23,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:23,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:23" (1/1) ... [2021-10-11 02:21:23,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f85eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:23, skipping insertion in model container [2021-10-11 02:21:23,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:23" (1/1) ... [2021-10-11 02:21:23,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:23,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:23,769 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_368606fa-f046-4382-a3be-ebc525716575/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-10-11 02:21:23,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:23,944 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:21:23,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:23,957 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_368606fa-f046-4382-a3be-ebc525716575/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-10-11 02:21:24,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:24,045 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:21:24,067 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_368606fa-f046-4382-a3be-ebc525716575/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1281,1294] [2021-10-11 02:21:24,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:24,184 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:21:24,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24 WrapperNode [2021-10-11 02:21:24,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:24,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:24,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:21:24,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:21:24,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:24,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:21:24,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:21:24,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:21:24,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... [2021-10-11 02:21:24,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:21:24,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:21:24,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:21:24,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:21:24,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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 02:21:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:21:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:21:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:21:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:21:26,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:21:26,903 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-11 02:21:26,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:26 BoogieIcfgContainer [2021-10-11 02:21:26,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:21:26,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:21:26,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:21:26,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:21:26,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:21:23" (1/3) ... [2021-10-11 02:21:26,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5913df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:26, skipping insertion in model container [2021-10-11 02:21:26,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:24" (2/3) ... [2021-10-11 02:21:26,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5913df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:26, skipping insertion in model container [2021-10-11 02:21:26,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:26" (3/3) ... [2021-10-11 02:21:26,916 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-10-11 02:21:26,932 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:21:26,936 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:21:26,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:21:26,972 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:21:26,972 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:21:26,972 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:21:26,973 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:21:26,973 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:21:26,973 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:21:26,973 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:21:26,973 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:21:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 02:21:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:21:26,994 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:26,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:26,995 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:27,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:27,002 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-10-11 02:21:27,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:27,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569369551] [2021-10-11 02:21:27,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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 02:21:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:27,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:21:27,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:27,367 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 02:21:27,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:27,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569369551] [2021-10-11 02:21:27,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:27,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:27,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135624628] [2021-10-11 02:21:27,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:21:27,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:27,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:21:27,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:27,390 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 02:21:27,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:27,413 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 02:21:27,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:21:27,414 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:21:27,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:27,423 INFO L225 Difference]: With dead ends: 108 [2021-10-11 02:21:27,424 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 02:21:27,427 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 02:21:27,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 02:21:27,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 02:21:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 02:21:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 02:21:27,473 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 02:21:27,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:27,473 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 02:21:27,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:21:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 02:21:27,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:21:27,475 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:27,475 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 02:21:27,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:21:27,694 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:27,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:27,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-10-11 02:21:27,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:27,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355326284] [2021-10-11 02:21:27,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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 02:21:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:27,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:27,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:27,955 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 02:21:27,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:27,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355326284] [2021-10-11 02:21:27,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:27,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:27,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804589175] [2021-10-11 02:21:27,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:27,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:27,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:27,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:27,960 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 02:21:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:27,970 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 02:21:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:27,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:21:27,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:27,972 INFO L225 Difference]: With dead ends: 53 [2021-10-11 02:21:27,972 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 02:21:27,973 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 02:21:27,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 02:21:27,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 02:21:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 02:21:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 02:21:27,979 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 02:21:27,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:27,979 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 02:21:27,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 02:21:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:21:27,980 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:27,981 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 02:21:28,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:21:28,197 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:28,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:28,198 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-10-11 02:21:28,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:28,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1094803129] [2021-10-11 02:21:28,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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 02:21:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:28,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:28,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:28,480 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 02:21:28,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:28,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1094803129] [2021-10-11 02:21:28,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:28,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:28,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379403816] [2021-10-11 02:21:28,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:28,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:28,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:28,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:28,484 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 5 states. [2021-10-11 02:21:28,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:28,626 INFO L93 Difference]: Finished difference Result 90 states and 136 transitions. [2021-10-11 02:21:28,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:21:28,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 02:21:28,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:28,630 INFO L225 Difference]: With dead ends: 90 [2021-10-11 02:21:28,630 INFO L226 Difference]: Without dead ends: 69 [2021-10-11 02:21:28,631 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:21:28,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-11 02:21:28,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 44. [2021-10-11 02:21:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-10-11 02:21:28,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 61 transitions. [2021-10-11 02:21:28,642 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 61 transitions. Word has length 22 [2021-10-11 02:21:28,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:28,643 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 61 transitions. [2021-10-11 02:21:28,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2021-10-11 02:21:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:21:28,644 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:28,644 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 02:21:28,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:21:28,860 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:28,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:28,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1660275790, now seen corresponding path program 1 times [2021-10-11 02:21:28,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:28,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849128466] [2021-10-11 02:21:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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 02:21:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:29,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:21:29,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:29,116 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 02:21:29,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:29,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849128466] [2021-10-11 02:21:29,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:29,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:29,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745376971] [2021-10-11 02:21:29,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:21:29,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:29,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:21:29,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:21:29,124 INFO L87 Difference]: Start difference. First operand 44 states and 61 transitions. Second operand 6 states. [2021-10-11 02:21:30,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:30,655 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2021-10-11 02:21:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:21:30,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2021-10-11 02:21:30,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:30,657 INFO L225 Difference]: With dead ends: 115 [2021-10-11 02:21:30,657 INFO L226 Difference]: Without dead ends: 94 [2021-10-11 02:21:30,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-11 02:21:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2021-10-11 02:21:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-10-11 02:21:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-10-11 02:21:30,671 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 23 [2021-10-11 02:21:30,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:30,672 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-10-11 02:21:30,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:21:30,672 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-10-11 02:21:30,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:21:30,673 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:30,673 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 02:21:30,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:21:30,891 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:30,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:30,891 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2021-10-11 02:21:30,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:30,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489170467] [2021-10-11 02:21:30,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/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 02:21:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:31,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:31,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:31,069 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 02:21:31,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:31,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489170467] [2021-10-11 02:21:31,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:31,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:31,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141649159] [2021-10-11 02:21:31,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:31,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:31,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:31,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:31,072 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 3 states. [2021-10-11 02:21:31,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:31,086 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-11 02:21:31,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:31,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:21:31,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:31,088 INFO L225 Difference]: With dead ends: 95 [2021-10-11 02:21:31,088 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:21:31,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 02:21:31,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:21:31,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:21:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:21:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:21:31,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-11 02:21:31,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:31,096 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:21:31,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:21:31,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:21:31,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:21:31,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:21:31,630 INFO L262 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-11 02:21:31,630 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:21:31,631 INFO L262 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-11 02:21:31,631 INFO L262 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2021-10-11 02:21:31,631 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:21:31,631 INFO L262 CegarLoopResult]: For program point L350-2(lines 204 210) no Hoare annotation was computed. [2021-10-11 02:21:31,631 INFO L265 CegarLoopResult]: At program point L185(lines 166 188) the Hoare annotation is: true [2021-10-11 02:21:31,631 INFO L258 CegarLoopResult]: At program point L152(lines 148 154) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:21:31,631 INFO L262 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-10-11 02:21:31,632 INFO L262 CegarLoopResult]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-10-11 02:21:31,632 INFO L258 CegarLoopResult]: At program point L334-1(lines 334 340) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:21:31,632 INFO L258 CegarLoopResult]: At program point L204(lines 203 222) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:21:31,632 INFO L262 CegarLoopResult]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-10-11 02:21:31,632 INFO L258 CegarLoopResult]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-10-11 02:21:31,632 INFO L262 CegarLoopResult]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-11 02:21:31,633 INFO L258 CegarLoopResult]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2021-10-11 02:21:31,633 INFO L262 CegarLoopResult]: For program point L105-1(lines 204 210) no Hoare annotation was computed. [2021-10-11 02:21:31,633 INFO L262 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-10-11 02:21:31,633 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:21:31,633 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:21:31,633 INFO L258 CegarLoopResult]: At program point L76(lines 1 840) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:21:31,633 INFO L262 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-11 02:21:31,634 INFO L258 CegarLoopResult]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:21:31,634 INFO L262 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2021-10-11 02:21:31,634 INFO L265 CegarLoopResult]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2021-10-11 02:21:31,634 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:21:31,634 INFO L262 CegarLoopResult]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-10-11 02:21:31,634 INFO L258 CegarLoopResult]: At program point L458-1(lines 1 840) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 (_ bv4294967294 32)) (_ bv0 32)) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:21:31,634 INFO L262 CegarLoopResult]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-10-11 02:21:31,634 INFO L258 CegarLoopResult]: At program point L458-3(lines 1 840) the Hoare annotation is: false [2021-10-11 02:21:31,635 INFO L262 CegarLoopResult]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-10-11 02:21:31,635 INFO L258 CegarLoopResult]: At program point L458-5(lines 1 840) the Hoare annotation is: false [2021-10-11 02:21:31,635 INFO L262 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-10-11 02:21:31,635 INFO L262 CegarLoopResult]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-10-11 02:21:31,635 INFO L258 CegarLoopResult]: At program point L211(lines 211 217) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:21:31,635 INFO L258 CegarLoopResult]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-10-11 02:21:31,635 INFO L262 CegarLoopResult]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-10-11 02:21:31,635 INFO L258 CegarLoopResult]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2021-10-11 02:21:31,636 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 02:21:31,636 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 02:21:31,636 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 02:21:31,636 INFO L258 CegarLoopResult]: At program point L360(lines 313 361) the Hoare annotation is: false [2021-10-11 02:21:31,636 INFO L262 CegarLoopResult]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-10-11 02:21:31,636 INFO L258 CegarLoopResult]: At program point L263(lines 258 266) the Hoare annotation is: false [2021-10-11 02:21:31,636 INFO L258 CegarLoopResult]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2021-10-11 02:21:31,636 INFO L258 CegarLoopResult]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2021-10-11 02:21:31,636 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:21:31,637 INFO L258 CegarLoopResult]: At program point L445(lines 440 448) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv2 32) ~waterLevel~0) .cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-11 02:21:31,637 INFO L258 CegarLoopResult]: At program point L445-1(lines 440 448) the Hoare annotation is: false [2021-10-11 02:21:31,637 INFO L258 CegarLoopResult]: At program point L445-2(lines 440 448) the Hoare annotation is: false [2021-10-11 02:21:31,638 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 02:21:31,638 INFO L262 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-10-11 02:21:31,639 INFO L262 CegarLoopResult]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-10-11 02:21:31,639 INFO L262 CegarLoopResult]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-10-11 02:21:31,639 INFO L262 CegarLoopResult]: For program point L315(lines 314 359) no Hoare annotation was computed. [2021-10-11 02:21:31,639 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:21:31,639 INFO L258 CegarLoopResult]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2021-10-11 02:21:31,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:21:31 BoogieIcfgContainer [2021-10-11 02:21:31,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:21:31,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:21:31,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:21:31,658 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:21:31,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:26" (3/4) ... [2021-10-11 02:21:31,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:21:31,675 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:21:31,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:21:31,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:21:31,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:21:31,677 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:21:31,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:31,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:31,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:21:31,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 2bv32 == waterLevel) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) [2021-10-11 02:21:31,737 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_368606fa-f046-4382-a3be-ebc525716575/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:21:31,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:21:31,739 INFO L168 Benchmark]: Toolchain (without parser) took 8235.09 ms. Allocated memory was 81.8 MB in the beginning and 123.7 MB in the end (delta: 41.9 MB). Free memory was 46.5 MB in the beginning and 95.6 MB in the end (delta: -49.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:31,739 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 63.9 MB in the beginning and 63.8 MB in the end (delta: 115.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:31,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.03 ms. Allocated memory is still 81.8 MB. Free memory was 46.4 MB in the beginning and 49.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:31,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.57 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 47.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:31,741 INFO L168 Benchmark]: Boogie Preprocessor took 34.35 ms. Allocated memory is still 81.8 MB. Free memory was 47.0 MB in the beginning and 44.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:31,741 INFO L168 Benchmark]: RCFGBuilder took 2627.28 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 44.9 MB in the beginning and 72.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:31,742 INFO L168 Benchmark]: TraceAbstraction took 4748.83 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 72.1 MB in the beginning and 100.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:31,742 INFO L168 Benchmark]: Witness Printer took 79.97 ms. Allocated memory is still 123.7 MB. Free memory was 100.9 MB in the beginning and 95.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:31,745 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 81.8 MB. Free memory was 63.9 MB in the beginning and 63.8 MB in the end (delta: 115.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 681.03 ms. Allocated memory is still 81.8 MB. Free memory was 46.4 MB in the beginning and 49.6 MB in the end (delta: -3.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.57 ms. Allocated memory is still 81.8 MB. Free memory was 49.6 MB in the beginning and 47.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.35 ms. Allocated memory is still 81.8 MB. Free memory was 47.0 MB in the beginning and 44.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2627.28 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 44.9 MB in the beginning and 72.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4748.83 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 72.1 MB in the beginning and 100.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. * Witness Printer took 79.97 ms. Allocated memory is still 123.7 MB. Free memory was 100.9 MB in the beginning and 95.6 MB in the end (delta: 5.2 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 2bv32 == waterLevel) && 0bv32 == pumpRunning) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 266 SDtfs, 217 SDslu, 286 SDs, 0 SdLazy, 76 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred 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, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 38 NumberOfFragments, 194 HoareAnnotationTreeSize, 24 FomulaSimplifications, 292 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 5360 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 ConjunctsInSsa, 16 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...