./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 8369ffe6be6d2c55428400826fc244d656d1bbae ............................................................................................................................................ 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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 8369ffe6be6d2c55428400826fc244d656d1bbae ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:23:35,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:35,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:35,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:35,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:35,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:35,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:35,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:35,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:35,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:35,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:35,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:35,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:35,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:35,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:35,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:35,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:35,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:35,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:35,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:35,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:35,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:35,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:35,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:35,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:35,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:35,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:35,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:35,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:35,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:35,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:35,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:35,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:35,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:35,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:35,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:35,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:35,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:35,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:35,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:35,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:35,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:35,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:35,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:35,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:35,533 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:35,533 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:35,534 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:35,534 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:35,534 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:35,534 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:35,534 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:35,535 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:35,535 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:35,536 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:35,536 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:35,536 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:35,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:35,537 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:35,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:35,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:35,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:35,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:35,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:35,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:35,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:35,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:35,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:35,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:35,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:35,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:35,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:35,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:35,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:35,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:35,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:35,542 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:35,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:35,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:35,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:35,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:35,543 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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8369ffe6be6d2c55428400826fc244d656d1bbae [2021-10-11 02:23:35,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:35,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:35,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:35,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:35,920 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:35,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2021-10-11 02:23:35,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/35dcef4b3/dcfc68fb15ca42029274aac1ee94a200/FLAGb59ead6b2 [2021-10-11 02:23:36,648 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:36,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2021-10-11 02:23:36,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/35dcef4b3/dcfc68fb15ca42029274aac1ee94a200/FLAGb59ead6b2 [2021-10-11 02:23:36,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/35dcef4b3/dcfc68fb15ca42029274aac1ee94a200 [2021-10-11 02:23:36,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:36,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:36,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:36,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:36,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:36,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f62ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:36, skipping insertion in model container [2021-10-11 02:23:36,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:36" (1/1) ... [2021-10-11 02:23:36,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:36,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:37,160 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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c[1281,1294] [2021-10-11 02:23:37,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:37,315 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 02:23:37,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4115b0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:37, skipping insertion in model container [2021-10-11 02:23:37,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:37,321 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:37,323 INFO L168 Benchmark]: Toolchain (without parser) took 413.75 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 43.1 MB in the beginning and 69.7 MB in the end (delta: -26.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,325 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:37,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.99 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 42.9 MB in the beginning and 69.7 MB in the end (delta: -26.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:37,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.99 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 42.9 MB in the beginning and 69.7 MB in the end (delta: -26.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 319]: 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 02:23:39,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:39,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:39,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:39,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:39,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:39,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:39,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:39,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:39,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:39,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:39,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:39,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:39,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:39,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:39,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:39,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:39,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:39,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:39,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:39,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:39,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:39,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:39,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:39,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:39,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:39,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:39,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:39,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:39,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:39,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:39,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:39,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:39,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:39,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:39,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:39,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:39,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:39,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:39,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:39,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:39,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:39,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:39,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:39,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:39,738 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:39,739 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:39,739 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:39,739 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:39,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:39,739 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:39,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:39,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:39,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:39,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:39,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:39,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:39,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:39,742 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:39,742 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:39,742 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:39,742 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:39,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:39,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:39,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:39,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:39,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:39,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:39,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:39,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:39,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:39,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:39,745 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:39,745 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:39,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:39,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:39,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:39,746 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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8369ffe6be6d2c55428400826fc244d656d1bbae [2021-10-11 02:23:40,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:40,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:40,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:40,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:40,198 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:40,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2021-10-11 02:23:40,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/7ed67216d/73591f52739c4942be6d639d81f9ab8c/FLAG7c3f6551e [2021-10-11 02:23:40,934 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:40,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2021-10-11 02:23:40,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/7ed67216d/73591f52739c4942be6d639d81f9ab8c/FLAG7c3f6551e [2021-10-11 02:23:41,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/data/7ed67216d/73591f52739c4942be6d639d81f9ab8c [2021-10-11 02:23:41,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:41,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:41,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:41,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:41,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:41,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15bd6eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41, skipping insertion in model container [2021-10-11 02:23:41,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:41,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:41,434 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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c[1281,1294] [2021-10-11 02:23:41,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:41,642 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:41,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:41,664 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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c[1281,1294] [2021-10-11 02:23:41,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:41,747 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:41,772 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_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c[1281,1294] [2021-10-11 02:23:41,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:41,879 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:41,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41 WrapperNode [2021-10-11 02:23:41,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:41,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:41,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:41,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:41,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:41,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:41,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:41,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:41,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... [2021-10-11 02:23:41,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:42,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:42,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:42,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:42,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 02:23:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:42,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:44,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:44,102 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 02:23:44,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:44 BoogieIcfgContainer [2021-10-11 02:23:44,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:44,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:44,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:44,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:44,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:41" (1/3) ... [2021-10-11 02:23:44,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bda6950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:44, skipping insertion in model container [2021-10-11 02:23:44,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:41" (2/3) ... [2021-10-11 02:23:44,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bda6950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:44, skipping insertion in model container [2021-10-11 02:23:44,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:44" (3/3) ... [2021-10-11 02:23:44,112 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2021-10-11 02:23:44,126 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:44,129 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:23:44,140 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:23:44,164 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:44,164 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:44,164 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:44,164 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:44,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:44,165 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:44,165 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:44,165 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 02:23:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:23:44,187 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:44,188 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 02:23:44,188 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:44,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:44,194 INFO L82 PathProgramCache]: Analyzing trace with hash -688968604, now seen corresponding path program 1 times [2021-10-11 02:23:44,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:44,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136144157] [2021-10-11 02:23:44,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 02:23:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:44,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:23:44,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:44,523 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 02:23:44,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:44,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136144157] [2021-10-11 02:23:44,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:44,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:44,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417380512] [2021-10-11 02:23:44,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:23:44,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:44,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:23:44,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:44,553 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 02:23:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:44,578 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-11 02:23:44,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:23:44,579 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:23:44,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:44,588 INFO L225 Difference]: With dead ends: 144 [2021-10-11 02:23:44,589 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 02:23:44,592 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 02:23:44,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 02:23:44,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 02:23:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 02:23:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 02:23:44,628 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2021-10-11 02:23:44,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:44,629 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 02:23:44,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:23:44,629 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 02:23:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:23:44,630 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:44,630 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 02:23:44,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:44,847 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:44,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:44,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1599999357, now seen corresponding path program 1 times [2021-10-11 02:23:44,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:44,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518977473] [2021-10-11 02:23:44,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 02:23:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:45,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:45,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:45,070 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 02:23:45,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:45,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518977473] [2021-10-11 02:23:45,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:45,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:45,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704833677] [2021-10-11 02:23:45,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:45,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:45,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:45,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:45,075 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-10-11 02:23:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:45,102 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-11 02:23:45,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:45,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:23:45,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:45,104 INFO L225 Difference]: With dead ends: 71 [2021-10-11 02:23:45,104 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:23:45,105 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 02:23:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:23:45,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:23:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:23:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 02:23:45,110 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-11 02:23:45,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:45,111 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 02:23:45,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 02:23:45,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:23:45,112 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:45,112 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 02:23:45,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:23:45,331 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:45,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:45,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1180040056, now seen corresponding path program 1 times [2021-10-11 02:23:45,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:45,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873047731] [2021-10-11 02:23:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 02:23:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:45,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:45,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:45,572 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 02:23:45,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:45,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873047731] [2021-10-11 02:23:45,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:45,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:45,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225528365] [2021-10-11 02:23:45,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:45,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:45,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:45,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:45,583 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 02:23:45,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:45,622 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-11 02:23:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:45,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:23:45,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:45,625 INFO L225 Difference]: With dead ends: 60 [2021-10-11 02:23:45,625 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:23:45,626 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 02:23:45,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:23:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:23:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:23:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 02:23:45,640 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-11 02:23:45,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:45,640 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 02:23:45,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 02:23:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:23:45,642 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:45,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:45,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:23:45,863 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:45,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:45,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1819191868, now seen corresponding path program 1 times [2021-10-11 02:23:45,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:45,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943656899] [2021-10-11 02:23:45,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 02:23:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:46,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:46,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:46,119 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 02:23:46,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:46,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943656899] [2021-10-11 02:23:46,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:46,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:46,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647236885] [2021-10-11 02:23:46,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:46,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:46,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:46,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:46,123 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 02:23:46,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:46,262 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2021-10-11 02:23:46,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:46,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:23:46,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:46,267 INFO L225 Difference]: With dead ends: 158 [2021-10-11 02:23:46,267 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 02:23:46,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:46,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 02:23:46,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2021-10-11 02:23:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 02:23:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2021-10-11 02:23:46,298 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2021-10-11 02:23:46,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:46,300 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2021-10-11 02:23:46,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2021-10-11 02:23:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:23:46,302 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:46,302 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 02:23:46,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:46,518 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:46,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:46,518 INFO L82 PathProgramCache]: Analyzing trace with hash 516466438, now seen corresponding path program 1 times [2021-10-11 02:23:46,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:46,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255425875] [2021-10-11 02:23:46,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/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 02:23:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:47,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:48,484 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:48,609 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:23:48,609 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:23:48,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:23:48,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:48 BoogieIcfgContainer [2021-10-11 02:23:48,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:48,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:48,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:48,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:48,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:44" (3/4) ... [2021-10-11 02:23:48,930 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:23:49,030 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ae3f0d-c60b-4d09-b4db-91e4fcc7afec/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:49,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:49,032 INFO L168 Benchmark]: Toolchain (without parser) took 7821.18 ms. Allocated memory was 73.4 MB in the beginning and 119.5 MB in the end (delta: 46.1 MB). Free memory was 56.1 MB in the beginning and 80.5 MB in the end (delta: -24.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,033 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 73.4 MB. Free memory was 54.7 MB in the beginning and 54.7 MB in the end (delta: 60.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:49,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.82 ms. Allocated memory is still 73.4 MB. Free memory was 55.9 MB in the beginning and 39.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.56 ms. Allocated memory is still 73.4 MB. Free memory was 39.3 MB in the beginning and 36.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,034 INFO L168 Benchmark]: Boogie Preprocessor took 53.03 ms. Allocated memory is still 73.4 MB. Free memory was 36.1 MB in the beginning and 34.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,035 INFO L168 Benchmark]: RCFGBuilder took 2098.93 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 33.8 MB in the beginning and 56.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,035 INFO L168 Benchmark]: TraceAbstraction took 4821.28 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 56.6 MB in the beginning and 91.0 MB in the end (delta: -34.4 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,036 INFO L168 Benchmark]: Witness Printer took 103.16 ms. Allocated memory is still 119.5 MB. Free memory was 91.0 MB in the beginning and 80.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:49,039 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 73.4 MB. Free memory was 54.7 MB in the beginning and 54.7 MB in the end (delta: 60.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.82 ms. Allocated memory is still 73.4 MB. Free memory was 55.9 MB in the beginning and 39.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.56 ms. Allocated memory is still 73.4 MB. Free memory was 39.3 MB in the beginning and 36.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.03 ms. Allocated memory is still 73.4 MB. Free memory was 36.1 MB in the beginning and 34.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2098.93 ms. Allocated memory was 73.4 MB in the beginning and 96.5 MB in the end (delta: 23.1 MB). Free memory was 33.8 MB in the beginning and 56.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4821.28 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 56.6 MB in the beginning and 91.0 MB in the end (delta: -34.4 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. * Witness Printer took 103.16 ms. Allocated memory is still 119.5 MB. Free memory was 91.0 MB in the beginning and 80.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L133] int pumpRunning = 0; [L134] int systemActive = 1; [L460] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L727] int cleanupTimeShifts = 4; [L823] int waterLevel = 1; [L824] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L800] int retValue_acc ; [L801] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L807] tmp = valid_product() [L809] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L661] int splverifierCounter ; [L662] int tmp ; [L663] int tmp___0 ; [L664] int tmp___1 ; [L665] int tmp___2 ; [L668] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L672] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L678] tmp = __VERIFIER_nondet_int() [L680] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L841] COND TRUE waterLevel < 2 [L842] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] tmp___0 = __VERIFIER_nondet_int() [L690] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L698] tmp___2 = __VERIFIER_nondet_int() [L700] COND TRUE \read(tmp___2) [L286] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] COND TRUE \read(systemActive) [L169] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L93] int tmp ; [L94] int tmp___0 ; [L95] int tmp___1 ; [L862] int retValue_acc ; [L865] retValue_acc = methaneLevelCritical [L866] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L99] tmp = isMethaneLevelCritical() [L101] COND FALSE !(\read(tmp)) [L894] int retValue_acc ; [L897] retValue_acc = waterLevel [L898] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L105] tmp___0 = getWaterLevel() [L107] COND TRUE tmp___0 == 2 [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L109] tmp___1 = isPumpRunning() [L111] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 262 SDtfs, 251 SDslu, 173 SDs, 0 SdLazy, 36 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3894 SizeOfPredicates, 4 NumberOfNonLiveVariables, 792 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...