./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product55.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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 4cb84f4cda4da5ed2f20ac89ec7baabe2dc4055e ............................................................................................................................................ 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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 4cb84f4cda4da5ed2f20ac89ec7baabe2dc4055e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:29:52,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:52,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:52,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:52,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:52,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:52,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:52,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:52,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:52,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:52,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:52,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:52,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:52,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:52,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:52,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:52,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:52,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:52,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:52,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:52,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:52,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:52,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:52,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:52,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:52,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:52,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:52,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:52,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:52,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:52,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:52,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:52,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:52,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:52,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:52,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:52,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:52,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:52,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:52,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:52,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:52,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:52,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:52,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:52,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:52,360 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:52,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:52,360 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:52,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:52,361 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:52,361 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:52,361 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:52,362 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:52,362 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:52,362 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:52,362 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:52,363 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:52,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:52,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:52,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:52,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:52,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:52,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:52,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:52,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:52,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:52,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:52,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:52,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:52,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:52,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:52,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:52,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:52,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:52,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:52,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:52,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:52,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:52,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:52,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:52,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:52,370 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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb84f4cda4da5ed2f20ac89ec7baabe2dc4055e [2021-10-11 02:29:52,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:52,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:52,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:52,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:52,702 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:52,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2021-10-11 02:29:52,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/ddb57c208/09e2632c079041c6bda8f7ffd012e221/FLAGc59ba333d [2021-10-11 02:29:53,467 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:53,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2021-10-11 02:29:53,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/ddb57c208/09e2632c079041c6bda8f7ffd012e221/FLAGc59ba333d [2021-10-11 02:29:53,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/ddb57c208/09e2632c079041c6bda8f7ffd012e221 [2021-10-11 02:29:53,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:53,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:53,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:53,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:53,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:53,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba87e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:53, skipping insertion in model container [2021-10-11 02:29:53,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:53" (1/1) ... [2021-10-11 02:29:53,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:53,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:54,010 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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3453,3466] [2021-10-11 02:29:54,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:54,177 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 02:29:54,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72dbc54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:54, skipping insertion in model container [2021-10-11 02:29:54,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:54,180 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:54,183 INFO L168 Benchmark]: Toolchain (without parser) took 487.18 ms. Allocated memory is still 98.6 MB. Free memory was 73.2 MB in the beginning and 71.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,185 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 67.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:54,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.40 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 71.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:54,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 67.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.40 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 71.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 228]: 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 02:29:56,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:56,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:56,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:56,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:56,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:56,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:56,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:56,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:56,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:56,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:56,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:56,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:56,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:56,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:56,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:56,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:56,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:56,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:56,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:56,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:56,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:56,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:56,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:56,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:56,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:56,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:56,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:56,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:56,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:56,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:56,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:56,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:56,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:56,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:56,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:56,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:56,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:56,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:56,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:56,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:56,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:56,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:56,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:56,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:56,562 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:56,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:56,562 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:56,562 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:56,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:56,563 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:56,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:56,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:56,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:56,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:56,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:56,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:56,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:56,567 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:56,567 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:56,567 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:56,567 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:56,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:56,568 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:56,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:56,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:56,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:56,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:56,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:56,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:56,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:56,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:56,570 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:56,570 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:56,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:56,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:56,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:56,571 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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb84f4cda4da5ed2f20ac89ec7baabe2dc4055e [2021-10-11 02:29:56,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:57,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:57,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:57,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:57,046 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:57,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2021-10-11 02:29:57,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/0dc219789/d91fcc5af5604a0b95ea66d972e32f5a/FLAGf613f4e15 [2021-10-11 02:29:57,732 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:57,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c [2021-10-11 02:29:57,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/0dc219789/d91fcc5af5604a0b95ea66d972e32f5a/FLAGf613f4e15 [2021-10-11 02:29:57,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/data/0dc219789/d91fcc5af5604a0b95ea66d972e32f5a [2021-10-11 02:29:57,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:57,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:57,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:57,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:57,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:57,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbb04bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:57, skipping insertion in model container [2021-10-11 02:29:57,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:57" (1/1) ... [2021-10-11 02:29:57,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:58,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:58,225 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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3453,3466] [2021-10-11 02:29:58,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:58,358 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:58,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:58,420 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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3453,3466] [2021-10-11 02:29:58,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:58,523 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:58,563 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_8e0c648c-b457-4cb6-88b1-44fdfedd905c/sv-benchmarks/c/product-lines/minepump_spec3_product55.cil.c[3453,3466] [2021-10-11 02:29:58,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:58,668 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:58,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58 WrapperNode [2021-10-11 02:29:58,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:58,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:58,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:58,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:58,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:58,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:58,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:58,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:58,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... [2021-10-11 02:29:58,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:58,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:58,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:58,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:58,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 02:29:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:30:01,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:30:01,909 INFO L299 CfgBuilder]: Removed 286 assume(true) statements. [2021-10-11 02:30:01,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:01 BoogieIcfgContainer [2021-10-11 02:30:01,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:30:01,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:30:01,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:30:01,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:30:01,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:57" (1/3) ... [2021-10-11 02:30:01,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3c7d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:01, skipping insertion in model container [2021-10-11 02:30:01,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:58" (2/3) ... [2021-10-11 02:30:01,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3c7d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:30:01, skipping insertion in model container [2021-10-11 02:30:01,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:01" (3/3) ... [2021-10-11 02:30:01,922 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product55.cil.c [2021-10-11 02:30:01,939 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:30:01,943 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:30:01,962 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:30:02,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:30:02,001 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:30:02,001 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:30:02,001 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:30:02,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:30:02,002 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:30:02,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:30:02,002 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:30:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2021-10-11 02:30:02,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:30:02,024 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,025 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 02:30:02,025 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:02,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash -477478196, now seen corresponding path program 1 times [2021-10-11 02:30:02,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:02,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690311154] [2021-10-11 02:30:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 02:30:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:02,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:30:02,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:02,377 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 02:30:02,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:02,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690311154] [2021-10-11 02:30:02,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:02,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:02,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204708705] [2021-10-11 02:30:02,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:30:02,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:02,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:30:02,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:30:02,413 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2021-10-11 02:30:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:02,497 INFO L93 Difference]: Finished difference Result 388 states and 593 transitions. [2021-10-11 02:30:02,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:30:02,500 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:30:02,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:02,518 INFO L225 Difference]: With dead ends: 388 [2021-10-11 02:30:02,519 INFO L226 Difference]: Without dead ends: 193 [2021-10-11 02:30:02,524 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 02:30:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-10-11 02:30:02,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2021-10-11 02:30:02,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2021-10-11 02:30:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2021-10-11 02:30:02,606 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 18 [2021-10-11 02:30:02,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:02,607 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2021-10-11 02:30:02,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:30:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2021-10-11 02:30:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:30:02,610 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:02,610 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 02:30:02,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:30:02,833 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:02,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:02,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1388508949, now seen corresponding path program 1 times [2021-10-11 02:30:02,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:02,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248316614] [2021-10-11 02:30:02,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 02:30:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:03,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:03,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:03,108 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 02:30:03,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:03,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248316614] [2021-10-11 02:30:03,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:03,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:03,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168607521] [2021-10-11 02:30:03,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:03,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:03,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:03,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:03,114 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand 3 states. [2021-10-11 02:30:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:03,146 INFO L93 Difference]: Finished difference Result 193 states and 288 transitions. [2021-10-11 02:30:03,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:03,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:30:03,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:03,151 INFO L225 Difference]: With dead ends: 193 [2021-10-11 02:30:03,151 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:30:03,154 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 02:30:03,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:30:03,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-11 02:30:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 02:30:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-11 02:30:03,166 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-11 02:30:03,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:03,170 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-11 02:30:03,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-11 02:30:03,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:30:03,173 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:03,174 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 02:30:03,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,394 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,395 INFO L82 PathProgramCache]: Analyzing trace with hash -521457096, now seen corresponding path program 1 times [2021-10-11 02:30:03,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71529772] [2021-10-11 02:30:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 02:30:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:03,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:03,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:03,654 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 02:30:03,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:03,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71529772] [2021-10-11 02:30:03,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:03,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:30:03,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492206351] [2021-10-11 02:30:03,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:03,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:03,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:03,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:03,667 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand 3 states. [2021-10-11 02:30:03,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:03,699 INFO L93 Difference]: Finished difference Result 213 states and 321 transitions. [2021-10-11 02:30:03,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:03,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:30:03,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:03,702 INFO L225 Difference]: With dead ends: 213 [2021-10-11 02:30:03,702 INFO L226 Difference]: Without dead ends: 144 [2021-10-11 02:30:03,703 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 02:30:03,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-10-11 02:30:03,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2021-10-11 02:30:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 02:30:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 211 transitions. [2021-10-11 02:30:03,736 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 211 transitions. Word has length 24 [2021-10-11 02:30:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:03,736 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 211 transitions. [2021-10-11 02:30:03,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 211 transitions. [2021-10-11 02:30:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:30:03,743 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:03,743 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 02:30:03,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:30:03,960 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:03,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:03,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1870578463, now seen corresponding path program 1 times [2021-10-11 02:30:03,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:03,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103485935] [2021-10-11 02:30:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 02:30:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:04,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:30:04,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:04,204 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 02:30:04,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103485935] [2021-10-11 02:30:04,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:30:04,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409884846] [2021-10-11 02:30:04,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:30:04,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:30:04,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:30:04,207 INFO L87 Difference]: Start difference. First operand 140 states and 211 transitions. Second operand 3 states. [2021-10-11 02:30:04,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:04,294 INFO L93 Difference]: Finished difference Result 295 states and 448 transitions. [2021-10-11 02:30:04,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:30:04,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 02:30:04,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:04,296 INFO L225 Difference]: With dead ends: 295 [2021-10-11 02:30:04,296 INFO L226 Difference]: Without dead ends: 161 [2021-10-11 02:30:04,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 02:30:04,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-10-11 02:30:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2021-10-11 02:30:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2021-10-11 02:30:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 231 transitions. [2021-10-11 02:30:04,334 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 231 transitions. Word has length 27 [2021-10-11 02:30:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:04,335 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 231 transitions. [2021-10-11 02:30:04,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:30:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 231 transitions. [2021-10-11 02:30:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:30:04,337 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:04,337 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 02:30:04,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:30:04,541 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:04,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1382032589, now seen corresponding path program 1 times [2021-10-11 02:30:04,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:04,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559474209] [2021-10-11 02:30:04,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 02:30:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:04,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:04,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:04,837 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 02:30:04,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:04,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559474209] [2021-10-11 02:30:04,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:04,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:30:04,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505950458] [2021-10-11 02:30:04,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:04,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:04,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:04,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:04,840 INFO L87 Difference]: Start difference. First operand 159 states and 231 transitions. Second operand 5 states. [2021-10-11 02:30:05,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:05,064 INFO L93 Difference]: Finished difference Result 809 states and 1191 transitions. [2021-10-11 02:30:05,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:30:05,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:30:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:05,069 INFO L225 Difference]: With dead ends: 809 [2021-10-11 02:30:05,069 INFO L226 Difference]: Without dead ends: 656 [2021-10-11 02:30:05,070 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 02:30:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2021-10-11 02:30:05,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 252. [2021-10-11 02:30:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2021-10-11 02:30:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 356 transitions. [2021-10-11 02:30:05,114 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 356 transitions. Word has length 27 [2021-10-11 02:30:05,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:05,115 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 356 transitions. [2021-10-11 02:30:05,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 356 transitions. [2021-10-11 02:30:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:30:05,116 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:05,116 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 02:30:05,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:30:05,336 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:05,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:05,337 INFO L82 PathProgramCache]: Analyzing trace with hash -318231153, now seen corresponding path program 1 times [2021-10-11 02:30:05,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:05,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280796083] [2021-10-11 02:30:05,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/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 02:30:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:06,742 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:30:08,094 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:30:08,280 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:30:08,281 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:30:08,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:30:08,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:08 BoogieIcfgContainer [2021-10-11 02:30:08,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:08,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:08,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:08,599 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:08,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:30:01" (3/4) ... [2021-10-11 02:30:08,602 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:30:08,710 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0c648c-b457-4cb6-88b1-44fdfedd905c/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:08,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:08,712 INFO L168 Benchmark]: Toolchain (without parser) took 10738.98 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 46.1 MB in the beginning and 35.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:08,713 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 48.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:08,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.94 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 36.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:08,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.50 ms. Allocated memory is still 67.1 MB. Free memory was 36.0 MB in the beginning and 31.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:08,715 INFO L168 Benchmark]: Boogie Preprocessor took 106.49 ms. Allocated memory is still 67.1 MB. Free memory was 31.1 MB in the beginning and 46.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:08,716 INFO L168 Benchmark]: RCFGBuilder took 3014.04 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.2 MB in the beginning and 39.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:08,717 INFO L168 Benchmark]: TraceAbstraction took 6682.67 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 39.6 MB in the beginning and 47.3 MB in the end (delta: -7.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:08,717 INFO L168 Benchmark]: Witness Printer took 112.00 ms. Allocated memory is still 98.6 MB. Free memory was 47.3 MB in the beginning and 35.7 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:08,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 48.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.94 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 36.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.50 ms. Allocated memory is still 67.1 MB. Free memory was 36.0 MB in the beginning and 31.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.49 ms. Allocated memory is still 67.1 MB. Free memory was 31.1 MB in the beginning and 46.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3014.04 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 46.2 MB in the beginning and 39.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6682.67 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 39.6 MB in the beginning and 47.3 MB in the end (delta: -7.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Witness Printer took 112.00 ms. Allocated memory is still 98.6 MB. Free memory was 47.3 MB in the beginning and 35.7 MB in the end (delta: 11.7 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: 195]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L88] int waterLevel = 1; [L89] int methaneLevelCritical = 0; [L369] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L566] int cleanupTimeShifts = 4; [L669] int pumpRunning = 0; [L670] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L642] int retValue_acc ; [L643] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L649] tmp = valid_product() [L651] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L943] int splverifierCounter ; [L944] int tmp ; [L945] int tmp___0 ; [L946] int tmp___1 ; [L947] int tmp___2 ; [L950] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L952] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L960] tmp = __VERIFIER_nondet_int() [L962] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L106] COND TRUE waterLevel < 2 [L107] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L970] tmp___0 = __VERIFIER_nondet_int() [L972] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L980] tmp___2 = __VERIFIER_nondet_int() [L982] COND FALSE !(\read(tmp___2)) [L986] tmp___1 = __VERIFIER_nondet_int() [L988] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L896] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L903] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L677] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L684] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; [L127] int retValue_acc ; [L130] retValue_acc = methaneLevelCritical [L131] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L915] tmp = isMethaneLevelCritical() [L917] COND FALSE !(\read(tmp)) [L159] int retValue_acc ; [L162] retValue_acc = waterLevel [L163] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L921] tmp___0 = getWaterLevel() [L923] COND TRUE tmp___0 == 2 [L810] int retValue_acc ; [L813] retValue_acc = pumpRunning [L814] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L925] tmp___1 = isPumpRunning() [L927] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L195] 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, 197 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 753 SDtfs, 599 SDslu, 523 SDs, 0 SdLazy, 73 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred 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, 410 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 6442 SizeOfPredicates, 4 NumberOfNonLiveVariables, 996 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...