./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product52.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_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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_81cf6377-79d0-4525-ada1-186a393e9500/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 67bbde08c422c0aae8c31f3e56c0c6d44363bbfb ............................................................................................................................................ 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_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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_81cf6377-79d0-4525-ada1-186a393e9500/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 67bbde08c422c0aae8c31f3e56c0c6d44363bbfb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:32:25,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:32:25,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:32:25,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:32:25,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:32:25,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:32:25,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:32:25,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:32:25,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:32:25,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:32:25,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:32:25,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:32:25,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:32:25,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:32:25,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:32:25,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:32:25,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:32:25,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:32:25,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:32:25,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:32:25,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:32:25,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:32:25,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:32:25,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:32:25,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:32:25,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:32:25,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:32:25,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:32:25,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:32:25,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:32:25,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:32:25,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:32:25,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:32:25,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:32:25,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:32:25,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:32:25,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:32:25,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:32:25,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:32:25,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:32:25,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:32:25,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:32:25,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:32:25,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:32:25,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:32:25,455 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:32:25,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:32:25,455 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:32:25,455 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:32:25,456 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:32:25,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:32:25,463 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:32:25,464 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:32:25,464 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:32:25,465 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:32:25,465 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:32:25,465 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:32:25,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:32:25,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:32:25,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:32:25,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:32:25,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:32:25,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:32:25,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:32:25,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:32:25,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:32:25,468 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:32:25,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:32:25,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:32:25,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:32:25,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:32:25,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:32:25,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:32:25,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:32:25,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:32:25,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:32:25,471 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:32:25,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:32:25,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:32:25,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:32:25,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:32:25,472 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_81cf6377-79d0-4525-ada1-186a393e9500/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67bbde08c422c0aae8c31f3e56c0c6d44363bbfb [2021-10-11 02:32:25,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:32:25,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:32:25,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:32:25,796 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:32:25,799 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:32:25,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c [2021-10-11 02:32:25,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/afc76bec2/7636f42442f047e2a29af1b2e97450e7/FLAGae94df974 [2021-10-11 02:32:26,646 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:32:26,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c [2021-10-11 02:32:26,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/afc76bec2/7636f42442f047e2a29af1b2e97450e7/FLAGae94df974 [2021-10-11 02:32:26,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/afc76bec2/7636f42442f047e2a29af1b2e97450e7 [2021-10-11 02:32:26,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:32:26,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:32:26,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:26,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:32:26,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:32:26,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b366b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:26, skipping insertion in model container [2021-10-11 02:32:26,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:26" (1/1) ... [2021-10-11 02:32:26,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:32:27,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:27,408 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_81cf6377-79d0-4525-ada1-186a393e9500/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c[16932,16945] [2021-10-11 02:32:27,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:27,445 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 02:32:27,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11d40d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:27, skipping insertion in model container [2021-10-11 02:32:27,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:27,456 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:32:27,458 INFO L168 Benchmark]: Toolchain (without parser) took 559.62 ms. Allocated memory is still 121.6 MB. Free memory was 91.0 MB in the beginning and 95.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:27,461 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:27,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.48 ms. Allocated memory is still 121.6 MB. Free memory was 91.0 MB in the beginning and 95.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:27,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 37.6 MB in the beginning and 37.6 MB in the end (delta: 43.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.48 ms. Allocated memory is still 121.6 MB. Free memory was 91.0 MB in the beginning and 95.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 217]: 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 02:32:30,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:32:30,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:32:30,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:32:30,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:32:30,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:32:30,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:32:30,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:32:30,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:32:30,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:32:30,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:32:30,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:32:30,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:32:30,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:32:30,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:32:30,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:32:30,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:32:30,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:32:30,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:32:30,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:32:30,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:32:30,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:32:30,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:32:30,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:32:30,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:32:30,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:32:30,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:32:30,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:32:30,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:32:30,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:32:30,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:32:30,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:32:30,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:32:30,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:32:30,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:32:30,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:32:30,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:32:30,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:32:30,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:32:30,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:32:30,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:32:30,228 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:32:30,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:32:30,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:32:30,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:32:30,261 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:32:30,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:32:30,262 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:32:30,263 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:32:30,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:32:30,264 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:32:30,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:32:30,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:32:30,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:32:30,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:32:30,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:32:30,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:32:30,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:32:30,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:32:30,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:32:30,269 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:32:30,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:32:30,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:32:30,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:32:30,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:32:30,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:32:30,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:32:30,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:32:30,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:32:30,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:32:30,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:32:30,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:32:30,273 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:32:30,274 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:32:30,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:32:30,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:32:30,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:32:30,275 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_81cf6377-79d0-4525-ada1-186a393e9500/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67bbde08c422c0aae8c31f3e56c0c6d44363bbfb [2021-10-11 02:32:30,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:32:30,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:32:30,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:32:30,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:32:30,823 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:32:30,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c [2021-10-11 02:32:30,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/ef6e18c74/f6fddfc0009c4add86c827074477239a/FLAGebe98f002 [2021-10-11 02:32:31,748 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:32:31,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c [2021-10-11 02:32:31,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/ef6e18c74/f6fddfc0009c4add86c827074477239a/FLAGebe98f002 [2021-10-11 02:32:31,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/data/ef6e18c74/f6fddfc0009c4add86c827074477239a [2021-10-11 02:32:31,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:32:31,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:32:31,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:31,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:32:31,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:32:31,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:31" (1/1) ... [2021-10-11 02:32:31,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e74dbe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:31, skipping insertion in model container [2021-10-11 02:32:31,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:31" (1/1) ... [2021-10-11 02:32:31,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:32:31,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:32,201 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_81cf6377-79d0-4525-ada1-186a393e9500/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c[16932,16945] [2021-10-11 02:32:32,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:32,228 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:32:32,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:32,322 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_81cf6377-79d0-4525-ada1-186a393e9500/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c[16932,16945] [2021-10-11 02:32:32,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:32,345 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:32:32,452 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_81cf6377-79d0-4525-ada1-186a393e9500/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c[16932,16945] [2021-10-11 02:32:32,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:32,504 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:32:32,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32 WrapperNode [2021-10-11 02:32:32,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:32,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:32,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:32:32,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:32:32,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:32,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:32:32,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:32:32,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:32:32,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... [2021-10-11 02:32:32,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:32:32,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:32:32,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:32:32,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:32:32,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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 02:32:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:32:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:32:32,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:32:32,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:32:35,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:32:35,560 INFO L299 CfgBuilder]: Removed 168 assume(true) statements. [2021-10-11 02:32:35,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:35 BoogieIcfgContainer [2021-10-11 02:32:35,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:32:35,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:32:35,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:32:35,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:32:35,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:32:31" (1/3) ... [2021-10-11 02:32:35,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb59a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:35, skipping insertion in model container [2021-10-11 02:32:35,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:32" (2/3) ... [2021-10-11 02:32:35,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb59a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:35, skipping insertion in model container [2021-10-11 02:32:35,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:35" (3/3) ... [2021-10-11 02:32:35,577 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52.cil.c [2021-10-11 02:32:35,593 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:32:35,597 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:32:35,610 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:32:35,654 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:32:35,654 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:32:35,655 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:32:35,655 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:32:35,655 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:32:35,655 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:32:35,655 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:32:35,655 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:32:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2021-10-11 02:32:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:32:35,680 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:35,681 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 02:32:35,681 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:35,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:35,687 INFO L82 PathProgramCache]: Analyzing trace with hash -805334601, now seen corresponding path program 1 times [2021-10-11 02:32:35,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:35,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054558287] [2021-10-11 02:32:35,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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 02:32:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:35,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:32:35,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:36,024 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 02:32:36,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:36,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054558287] [2021-10-11 02:32:36,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:36,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:32:36,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217794032] [2021-10-11 02:32:36,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:32:36,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:36,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:32:36,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:32:36,055 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2021-10-11 02:32:36,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:36,092 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2021-10-11 02:32:36,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:32:36,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:32:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:36,113 INFO L225 Difference]: With dead ends: 244 [2021-10-11 02:32:36,113 INFO L226 Difference]: Without dead ends: 121 [2021-10-11 02:32:36,120 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 02:32:36,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-11 02:32:36,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-10-11 02:32:36,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2021-10-11 02:32:36,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2021-10-11 02:32:36,173 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 18 [2021-10-11 02:32:36,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:36,173 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2021-10-11 02:32:36,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:32:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2021-10-11 02:32:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:32:36,175 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:36,175 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 02:32:36,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:32:36,382 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:36,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:36,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1716365354, now seen corresponding path program 1 times [2021-10-11 02:32:36,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:36,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630592624] [2021-10-11 02:32:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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 02:32:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:36,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:36,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:36,626 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 02:32:36,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:36,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630592624] [2021-10-11 02:32:36,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:36,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:36,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862413395] [2021-10-11 02:32:36,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:36,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:36,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:36,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:36,632 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand 3 states. [2021-10-11 02:32:36,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:36,655 INFO L93 Difference]: Finished difference Result 121 states and 177 transitions. [2021-10-11 02:32:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:36,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:32:36,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:36,657 INFO L225 Difference]: With dead ends: 121 [2021-10-11 02:32:36,658 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:32:36,659 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 02:32:36,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:32:36,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:32:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:32:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-11 02:32:36,673 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-10-11 02:32:36,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:36,674 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-11 02:32:36,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-11 02:32:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:32:36,675 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:36,675 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 02:32:36,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:32:36,891 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:36,892 INFO L82 PathProgramCache]: Analyzing trace with hash -882616339, now seen corresponding path program 1 times [2021-10-11 02:32:36,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:36,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793748864] [2021-10-11 02:32:36,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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 02:32:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:37,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:37,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:37,152 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 02:32:37,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:37,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793748864] [2021-10-11 02:32:37,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:37,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:37,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762806105] [2021-10-11 02:32:37,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:37,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:37,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:37,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:37,163 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 3 states. [2021-10-11 02:32:37,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:37,222 INFO L93 Difference]: Finished difference Result 141 states and 210 transitions. [2021-10-11 02:32:37,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:37,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:32:37,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:37,224 INFO L225 Difference]: With dead ends: 141 [2021-10-11 02:32:37,224 INFO L226 Difference]: Without dead ends: 96 [2021-10-11 02:32:37,225 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 02:32:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-10-11 02:32:37,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2021-10-11 02:32:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-10-11 02:32:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2021-10-11 02:32:37,238 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 24 [2021-10-11 02:32:37,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:37,238 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2021-10-11 02:32:37,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2021-10-11 02:32:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:32:37,240 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:37,240 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 02:32:37,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:32:37,457 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:37,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:37,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1572520497, now seen corresponding path program 1 times [2021-10-11 02:32:37,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:37,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258398212] [2021-10-11 02:32:37,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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 02:32:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:37,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:32:37,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:37,854 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 02:32:37,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:37,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258398212] [2021-10-11 02:32:37,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:37,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:37,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833626698] [2021-10-11 02:32:37,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:37,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:37,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:37,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:37,859 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2021-10-11 02:32:37,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:37,957 INFO L93 Difference]: Finished difference Result 223 states and 336 transitions. [2021-10-11 02:32:37,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:37,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:32:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:37,959 INFO L225 Difference]: With dead ends: 223 [2021-10-11 02:32:37,959 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 02:32:37,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 02:32:37,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 02:32:37,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2021-10-11 02:32:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 02:32:37,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2021-10-11 02:32:37,977 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 26 [2021-10-11 02:32:37,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:37,978 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2021-10-11 02:32:37,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2021-10-11 02:32:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:32:37,979 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:37,980 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, 1] [2021-10-11 02:32:38,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:32:38,193 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:38,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:38,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1445956926, now seen corresponding path program 1 times [2021-10-11 02:32:38,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:38,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604677502] [2021-10-11 02:32:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/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 02:32:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:38,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:38,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:38,440 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 02:32:38,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:38,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604677502] [2021-10-11 02:32:38,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:38,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:32:38,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746662802] [2021-10-11 02:32:38,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:32:38,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:38,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:32:38,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:38,444 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand 5 states. [2021-10-11 02:32:38,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:38,695 INFO L93 Difference]: Finished difference Result 707 states and 1049 transitions. [2021-10-11 02:32:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:32:38,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:32:38,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:38,702 INFO L225 Difference]: With dead ends: 707 [2021-10-11 02:32:38,703 INFO L226 Difference]: Without dead ends: 578 [2021-10-11 02:32:38,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 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 02:32:38,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-10-11 02:32:38,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 226. [2021-10-11 02:32:38,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2021-10-11 02:32:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 320 transitions. [2021-10-11 02:32:38,790 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 320 transitions. Word has length 27 [2021-10-11 02:32:38,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:38,791 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 320 transitions. [2021-10-11 02:32:38,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:32:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 320 transitions. [2021-10-11 02:32:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:32:38,799 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:38,799 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, 1, 1] [2021-10-11 02:32:39,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:32:39,003 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:39,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:39,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1148746628, now seen corresponding path program 1 times [2021-10-11 02:32:39,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:39,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450616983] [2021-10-11 02:32:39,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:32:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:32:39,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:32:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:32:41,204 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:32:41,396 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:32:41,397 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:32:41,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:32:41,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:32:41 BoogieIcfgContainer [2021-10-11 02:32:41,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:32:41,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:32:41,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:32:41,747 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:32:41,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:35" (3/4) ... [2021-10-11 02:32:41,749 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:32:41,825 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81cf6377-79d0-4525-ada1-186a393e9500/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:32:41,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:32:41,827 INFO L168 Benchmark]: Toolchain (without parser) took 10014.02 ms. Allocated memory was 67.1 MB in the beginning and 111.1 MB in the end (delta: 44.0 MB). Free memory was 46.4 MB in the beginning and 54.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:41,827 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:41,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.45 ms. Allocated memory is still 67.1 MB. Free memory was 46.3 MB in the beginning and 30.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:41,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.37 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 30.6 MB in the beginning and 69.5 MB in the end (delta: -38.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:41,829 INFO L168 Benchmark]: Boogie Preprocessor took 52.11 ms. Allocated memory is still 88.1 MB. Free memory was 69.5 MB in the beginning and 66.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:41,829 INFO L168 Benchmark]: RCFGBuilder took 2902.24 ms. Allocated memory is still 88.1 MB. Free memory was 66.7 MB in the beginning and 58.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:41,830 INFO L168 Benchmark]: TraceAbstraction took 6175.86 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 58.6 MB in the beginning and 65.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:41,830 INFO L168 Benchmark]: Witness Printer took 78.80 ms. Allocated memory is still 111.1 MB. Free memory was 65.8 MB in the beginning and 54.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:41,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 691.45 ms. Allocated memory is still 67.1 MB. Free memory was 46.3 MB in the beginning and 30.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.37 ms. Allocated memory was 67.1 MB in the beginning and 88.1 MB in the end (delta: 21.0 MB). Free memory was 30.6 MB in the beginning and 69.5 MB in the end (delta: -38.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.11 ms. Allocated memory is still 88.1 MB. Free memory was 69.5 MB in the beginning and 66.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2902.24 ms. Allocated memory is still 88.1 MB. Free memory was 66.7 MB in the beginning and 58.6 MB in the end (delta: 8.1 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6175.86 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 58.6 MB in the beginning and 65.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. * Witness Printer took 78.80 ms. Allocated memory is still 111.1 MB. Free memory was 65.8 MB in the beginning and 54.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 855]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L561] int pumpRunning = 0; [L562] int systemActive = 1; [L898] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L971] int retValue_acc ; [L972] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] int retValue_acc ; [L892] retValue_acc = 1 [L893] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L978] tmp = valid_product() [L980] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L783] int splverifierCounter ; [L784] int tmp ; [L785] int tmp___0 ; [L786] int tmp___1 ; [L787] int tmp___2 ; [L790] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L794] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L800] tmp = __VERIFIER_nondet_int() [L802] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] COND TRUE waterLevel < 2 [L105] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L810] tmp___0 = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L820] tmp___2 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___2)) [L828] tmp___1 = __VERIFIER_nondet_int() [L830] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L768] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L568] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L575] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L53] tmp = isMethaneLevelCritical() [L55] COND FALSE !(\read(tmp)) [L157] int retValue_acc ; [L160] retValue_acc = waterLevel [L161] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L59] tmp___0 = getWaterLevel() [L61] COND TRUE tmp___0 == 2 [L675] int retValue_acc ; [L678] retValue_acc = pumpRunning [L679] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L63] tmp___1 = isPumpRunning() [L65] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L855] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 519 SDtfs, 473 SDslu, 401 SDs, 0 SdLazy, 65 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 358 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5137 SizeOfPredicates, 4 NumberOfNonLiveVariables, 997 ConjunctsInSsa, 12 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 incorrect! Received shutdown request...