./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 ce5436eb539a2a8a335e304ce49accfb71554984 ............................................................................................................................................ 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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 ce5436eb539a2a8a335e304ce49accfb71554984 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:43,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:43,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:43,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:43,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:43,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:43,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:43,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:43,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:43,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:43,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:43,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:43,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:43,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:43,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:43,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:43,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:43,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:43,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:43,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:43,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:43,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:43,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:43,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:43,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:43,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:43,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:43,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:43,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:43,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:43,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:43,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:43,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:43,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:43,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:43,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:43,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:43,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:43,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:43,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:43,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:43,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:24:43,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:43,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:43,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:43,936 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:43,937 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:43,937 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:43,937 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:43,938 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:43,944 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:43,945 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:43,945 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:43,945 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:43,945 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:43,946 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:43,946 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:43,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:43,947 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:43,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:43,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:43,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:43,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:43,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:43,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:43,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:43,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:43,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:43,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:43,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:43,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:43,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:43,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:43,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:43,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:43,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:43,950 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:43,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:43,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:43,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:43,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:43,951 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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce5436eb539a2a8a335e304ce49accfb71554984 [2021-10-11 02:24:44,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:44,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:44,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:44,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:44,255 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:44,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2021-10-11 02:24:44,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/ee9e38724/9b1d5d9c6ee04cfea159c0a0d075214d/FLAG7cde82267 [2021-10-11 02:24:44,973 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:44,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2021-10-11 02:24:44,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/ee9e38724/9b1d5d9c6ee04cfea159c0a0d075214d/FLAG7cde82267 [2021-10-11 02:24:45,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/ee9e38724/9b1d5d9c6ee04cfea159c0a0d075214d [2021-10-11 02:24:45,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:45,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:45,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:45,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:45,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:45,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:45" (1/1) ... [2021-10-11 02:24:45,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2024fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:45, skipping insertion in model container [2021-10-11 02:24:45,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:45" (1/1) ... [2021-10-11 02:24:45,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:45,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:45,523 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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1281,1294] [2021-10-11 02:24:45,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:45,650 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 02:24:45,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42fcdb2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:45, skipping insertion in model container [2021-10-11 02:24:45,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:45,652 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:24:45,654 INFO L168 Benchmark]: Toolchain (without parser) took 414.41 ms. Allocated memory is still 125.8 MB. Free memory was 92.2 MB in the beginning and 98.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:45,655 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:45,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.25 ms. Allocated memory is still 125.8 MB. Free memory was 91.9 MB in the beginning and 98.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:45,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.25 ms. Allocated memory is still 125.8 MB. Free memory was 91.9 MB in the beginning and 98.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 154]: 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 02:24:47,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:47,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:47,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:47,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:47,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:47,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:47,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:47,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:47,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:47,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:47,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:47,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:47,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:47,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:47,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:47,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:47,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:47,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:47,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:47,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:47,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:47,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:47,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:48,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:48,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:48,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:48,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:48,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:48,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:48,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:48,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:48,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:48,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:48,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:48,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:48,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:48,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:48,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:48,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:48,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:48,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:24:48,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:48,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:48,067 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:48,080 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:48,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:48,081 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:48,081 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:48,082 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:48,082 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:48,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:48,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:48,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:48,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:48,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:48,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:48,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:48,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:48,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:24:48,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:24:48,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:48,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:48,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:48,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:48,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:48,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:24:48,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:48,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:48,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:48,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:48,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:48,089 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:24:48,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:48,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:48,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:48,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:48,091 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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce5436eb539a2a8a335e304ce49accfb71554984 [2021-10-11 02:24:48,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:48,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:48,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:48,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:48,519 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:48,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2021-10-11 02:24:48,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/c27996914/1c33e622fb5b460eb5935c5cf4512cda/FLAG83bb95e1e [2021-10-11 02:24:49,114 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:49,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2021-10-11 02:24:49,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/c27996914/1c33e622fb5b460eb5935c5cf4512cda/FLAG83bb95e1e [2021-10-11 02:24:49,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/data/c27996914/1c33e622fb5b460eb5935c5cf4512cda [2021-10-11 02:24:49,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:49,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:49,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:49,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:49,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:49,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:49" (1/1) ... [2021-10-11 02:24:49,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706ef5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:49, skipping insertion in model container [2021-10-11 02:24:49,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:49" (1/1) ... [2021-10-11 02:24:49,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:49,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:49,709 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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1281,1294] [2021-10-11 02:24:49,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:49,981 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:24:49,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:50,010 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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1281,1294] [2021-10-11 02:24:50,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:50,122 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:50,138 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_a8d2471f-1918-4ba5-ba56-11d98b03f98a/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1281,1294] [2021-10-11 02:24:50,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:50,271 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:50,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50 WrapperNode [2021-10-11 02:24:50,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:50,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:50,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:50,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:50,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:50,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:50,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:50,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:50,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... [2021-10-11 02:24:50,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:50,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:50,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:50,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:50,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 02:24:50,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:24:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:52,852 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:52,856 INFO L299 CfgBuilder]: Removed 106 assume(true) statements. [2021-10-11 02:24:52,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:52 BoogieIcfgContainer [2021-10-11 02:24:52,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:52,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:52,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:52,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:52,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:49" (1/3) ... [2021-10-11 02:24:52,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712570cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:52, skipping insertion in model container [2021-10-11 02:24:52,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:50" (2/3) ... [2021-10-11 02:24:52,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712570cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:52, skipping insertion in model container [2021-10-11 02:24:52,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:52" (3/3) ... [2021-10-11 02:24:52,868 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2021-10-11 02:24:52,885 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:52,888 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:24:52,895 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:24:52,919 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:52,919 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:52,919 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:52,920 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:52,920 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:52,920 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:52,920 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:52,920 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2021-10-11 02:24:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:24:52,952 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:52,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:52,953 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:52,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:52,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1047706522, now seen corresponding path program 1 times [2021-10-11 02:24:52,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:52,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692390886] [2021-10-11 02:24:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 02:24:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:53,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:24:53,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:53,323 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 02:24:53,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:53,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692390886] [2021-10-11 02:24:53,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:53,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:53,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131131347] [2021-10-11 02:24:53,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:24:53,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:53,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:24:53,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:53,365 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2021-10-11 02:24:53,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:53,392 INFO L93 Difference]: Finished difference Result 160 states and 239 transitions. [2021-10-11 02:24:53,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:24:53,393 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:24:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:53,404 INFO L225 Difference]: With dead ends: 160 [2021-10-11 02:24:53,404 INFO L226 Difference]: Without dead ends: 79 [2021-10-11 02:24:53,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:24:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-10-11 02:24:53,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-10-11 02:24:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2021-10-11 02:24:53,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2021-10-11 02:24:53,449 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 18 [2021-10-11 02:24:53,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:53,449 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2021-10-11 02:24:53,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:24:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2021-10-11 02:24:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:24:53,451 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:53,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:53,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:24:53,658 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:53,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:53,659 INFO L82 PathProgramCache]: Analyzing trace with hash 136675769, now seen corresponding path program 1 times [2021-10-11 02:24:53,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:53,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296975142] [2021-10-11 02:24:53,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 02:24:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:53,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:53,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:53,931 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 02:24:53,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:53,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296975142] [2021-10-11 02:24:53,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:53,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:24:53,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080827885] [2021-10-11 02:24:53,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:53,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:53,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:53,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:53,935 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand 3 states. [2021-10-11 02:24:53,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:53,947 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2021-10-11 02:24:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:53,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:24:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:53,949 INFO L225 Difference]: With dead ends: 79 [2021-10-11 02:24:53,949 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:24:53,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:53,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:24:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 02:24:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:24:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 02:24:53,956 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 02:24:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:53,956 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 02:24:53,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 02:24:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:24:53,958 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:53,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:54,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:24:54,173 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:54,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:54,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1444562447, now seen corresponding path program 1 times [2021-10-11 02:24:54,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:54,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10900084] [2021-10-11 02:24:54,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 02:24:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:54,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:24:54,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:54,470 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 02:24:54,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:54,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10900084] [2021-10-11 02:24:54,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:54,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:24:54,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484602089] [2021-10-11 02:24:54,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:24:54,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:54,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:24:54,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:54,484 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 02:24:54,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:54,526 INFO L93 Difference]: Finished difference Result 99 states and 144 transitions. [2021-10-11 02:24:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:24:54,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:24:54,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:54,530 INFO L225 Difference]: With dead ends: 99 [2021-10-11 02:24:54,531 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:24:54,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:24:54,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:24:54,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2021-10-11 02:24:54,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-10-11 02:24:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-11 02:24:54,556 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 24 [2021-10-11 02:24:54,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:54,558 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-11 02:24:54,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:24:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-11 02:24:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:24:54,560 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:54,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:54,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:24:54,761 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:54,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:54,761 INFO L82 PathProgramCache]: Analyzing trace with hash -685298349, now seen corresponding path program 1 times [2021-10-11 02:24:54,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:54,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684594289] [2021-10-11 02:24:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 02:24:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:54,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:24:54,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:55,026 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 02:24:55,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:24:55,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684594289] [2021-10-11 02:24:55,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:55,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:24:55,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591460574] [2021-10-11 02:24:55,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:55,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:24:55,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:55,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:55,029 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2021-10-11 02:24:55,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:55,208 INFO L93 Difference]: Finished difference Result 348 states and 530 transitions. [2021-10-11 02:24:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:24:55,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:24:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:55,215 INFO L225 Difference]: With dead ends: 348 [2021-10-11 02:24:55,215 INFO L226 Difference]: Without dead ends: 290 [2021-10-11 02:24:55,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 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 02:24:55,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-11 02:24:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 116. [2021-10-11 02:24:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-10-11 02:24:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2021-10-11 02:24:55,262 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 25 [2021-10-11 02:24:55,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:55,263 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2021-10-11 02:24:55,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2021-10-11 02:24:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:24:55,270 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:55,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:55,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:24:55,490 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:55,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:55,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1650359957, now seen corresponding path program 1 times [2021-10-11 02:24:55,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:24:55,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090783780] [2021-10-11 02:24:55,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/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 02:24:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:56,618 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:24:57,750 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:24:57,882 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:24:57,883 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:24:58,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:24:58,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:58 BoogieIcfgContainer [2021-10-11 02:24:58,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:58,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:58,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:58,196 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:58,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:52" (3/4) ... [2021-10-11 02:24:58,198 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:24:58,302 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d2471f-1918-4ba5-ba56-11d98b03f98a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:58,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:58,304 INFO L168 Benchmark]: Toolchain (without parser) took 8873.24 ms. Allocated memory was 58.7 MB in the beginning and 92.3 MB in the end (delta: 33.6 MB). Free memory was 36.0 MB in the beginning and 34.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:58,311 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 45.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:58,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.47 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.8 MB in the beginning and 57.7 MB in the end (delta: -21.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:58,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.55 ms. Allocated memory is still 75.5 MB. Free memory was 57.4 MB in the beginning and 54.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:58,314 INFO L168 Benchmark]: Boogie Preprocessor took 81.02 ms. Allocated memory is still 75.5 MB. Free memory was 54.6 MB in the beginning and 52.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:58,315 INFO L168 Benchmark]: RCFGBuilder took 2415.83 ms. Allocated memory is still 75.5 MB. Free memory was 52.2 MB in the beginning and 35.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:58,317 INFO L168 Benchmark]: TraceAbstraction took 5333.19 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 35.4 MB in the beginning and 45.4 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:58,318 INFO L168 Benchmark]: Witness Printer took 106.62 ms. Allocated memory is still 92.3 MB. Free memory was 45.4 MB in the beginning and 34.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:58,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 45.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 830.47 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.8 MB in the beginning and 57.7 MB in the end (delta: -21.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.55 ms. Allocated memory is still 75.5 MB. Free memory was 57.4 MB in the beginning and 54.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.02 ms. Allocated memory is still 75.5 MB. Free memory was 54.6 MB in the beginning and 52.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2415.83 ms. Allocated memory is still 75.5 MB. Free memory was 52.2 MB in the beginning and 35.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5333.19 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 35.4 MB in the beginning and 45.4 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Witness Printer took 106.62 ms. Allocated memory is still 92.3 MB. Free memory was 45.4 MB in the beginning and 34.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L492] int cleanupTimeShifts = 4; [L596] int waterLevel = 1; [L597] int methaneLevelCritical = 0; [L755] int pumpRunning = 0; [L756] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L570] int retValue_acc ; [L571] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] tmp = valid_product() [L579] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L696] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L698] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L704] tmp = __VERIFIER_nondet_int() [L706] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L614] COND TRUE waterLevel < 2 [L615] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L762] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L769] COND TRUE \read(systemActive) [L791] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L794] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L93] int tmp ; [L94] int tmp___0 ; [L95] int tmp___1 ; [L635] int retValue_acc ; [L638] retValue_acc = methaneLevelCritical [L639] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L99] tmp = isMethaneLevelCritical() [L101] COND FALSE !(\read(tmp)) [L667] int retValue_acc ; [L670] retValue_acc = waterLevel [L671] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L105] tmp___0 = getWaterLevel() [L107] COND TRUE tmp___0 == 2 [L843] int retValue_acc ; [L846] retValue_acc = pumpRunning [L847] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L109] tmp___1 = isPumpRunning() [L111] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 299 SDtfs, 299 SDslu, 246 SDs, 0 SdLazy, 46 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 4 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 5090 SizeOfPredicates, 4 NumberOfNonLiveVariables, 790 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! Received shutdown request...