./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw --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 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef ............................................................................................................................................ 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_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw --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 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 06:20:26,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:20:26,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:20:26,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:20:26,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:20:26,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:20:26,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:20:26,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:20:26,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:20:26,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:20:26,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:20:26,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:20:26,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:20:26,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:20:26,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:20:26,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:20:26,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:20:26,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:20:26,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:20:26,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:20:26,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:20:26,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:20:26,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:20:26,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:20:26,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:20:26,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:20:26,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:20:26,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:20:26,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:20:26,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:20:26,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:20:26,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:20:26,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:20:26,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:20:26,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:20:26,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:20:26,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:20:26,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:20:26,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:20:26,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:20:26,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:20:26,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:20:26,455 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:20:26,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:20:26,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:20:26,464 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:20:26,465 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:20:26,465 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:20:26,465 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:20:26,465 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:20:26,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:20:26,470 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:20:26,470 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:20:26,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:20:26,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:20:26,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:20:26,473 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:20:26,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:20:26,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:20:26,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:20:26,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:20:26,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:20:26,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:20:26,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:20:26,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:20:26,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:20:26,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:20:26,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:20:26,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:20:26,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:20:26,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:20:26,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:20:26,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:20:26,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:20:26,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:20:26,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:20:26,482 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:20:26,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:20:26,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:20:26,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:20:26,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:20:26,484 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_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef [2021-10-20 06:20:26,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:20:26,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:20:26,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:20:26,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:20:26,846 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:20:26,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-20 06:20:26,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/e898c035d/c0ccf8d23fed45739ae62f7312e1b7dd/FLAGf57200f26 [2021-10-20 06:20:27,583 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:20:27,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-20 06:20:27,601 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/e898c035d/c0ccf8d23fed45739ae62f7312e1b7dd/FLAGf57200f26 [2021-10-20 06:20:27,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/e898c035d/c0ccf8d23fed45739ae62f7312e1b7dd [2021-10-20 06:20:27,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:20:27,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:20:27,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:20:27,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:20:27,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:20:27,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:27" (1/1) ... [2021-10-20 06:20:27,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71131209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:27, skipping insertion in model container [2021-10-20 06:20:27,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:27" (1/1) ... [2021-10-20 06:20:27,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:20:27,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:20:28,208 WARN L228 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_ca533380-3da0-445f-b512-d102a0f231f7/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-20 06:20:28,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:20:28,402 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) [2021-10-20 06:20:28,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@335945ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:28, skipping insertion in model container [2021-10-20 06:20:28,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:20:28,404 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 06:20:28,406 INFO L168 Benchmark]: Toolchain (without parser) took 531.23 ms. Allocated memory is still 100.7 MB. Free memory was 58.8 MB in the beginning and 73.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:28,407 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:20:28,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.91 ms. Allocated memory is still 100.7 MB. Free memory was 58.5 MB in the beginning and 73.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:28,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 100.7 MB. Free memory is still 76.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.91 ms. Allocated memory is still 100.7 MB. Free memory was 58.5 MB in the beginning and 73.7 MB in the end (delta: -15.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 602]: 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 0.2.1-dev-e943c26 [2021-10-20 06:20:31,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:20:31,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:20:31,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:20:31,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:20:31,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:20:31,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:20:31,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:20:31,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:20:31,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:20:31,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:20:31,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:20:31,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:20:31,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:20:31,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:20:31,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:20:31,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:20:31,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:20:31,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:20:31,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:20:31,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:20:31,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:20:31,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:20:31,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:20:31,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:20:31,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:20:31,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:20:31,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:20:31,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:20:31,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:20:31,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:20:31,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:20:31,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:20:31,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:20:31,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:20:31,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:20:31,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:20:31,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:20:31,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:20:31,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:20:31,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:20:31,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 06:20:31,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:20:31,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:20:31,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:20:31,438 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:20:31,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:20:31,439 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:20:31,439 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:20:31,439 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:20:31,441 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:20:31,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:20:31,443 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:20:31,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:20:31,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:20:31,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:20:31,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:20:31,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:20:31,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:20:31,445 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 06:20:31,446 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 06:20:31,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:20:31,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:20:31,446 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:20:31,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:20:31,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:20:31,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 06:20:31,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:20:31,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:20:31,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:20:31,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:20:31,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:20:31,449 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 06:20:31,449 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 06:20:31,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:20:31,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:20:31,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:20:31,450 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_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef [2021-10-20 06:20:31,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:20:31,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:20:31,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:20:31,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:20:31,972 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:20:31,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-20 06:20:32,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/7adfcc9d1/f09aef261b7a41c39faf727684def5eb/FLAGcf0e1eafc [2021-10-20 06:20:32,741 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:20:32,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2021-10-20 06:20:32,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/7adfcc9d1/f09aef261b7a41c39faf727684def5eb/FLAGcf0e1eafc [2021-10-20 06:20:32,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/data/7adfcc9d1/f09aef261b7a41c39faf727684def5eb [2021-10-20 06:20:32,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:20:32,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:20:33,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:20:33,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:20:33,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:20:33,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:32" (1/1) ... [2021-10-20 06:20:33,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300500b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33, skipping insertion in model container [2021-10-20 06:20:33,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:32" (1/1) ... [2021-10-20 06:20:33,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:20:33,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:20:33,405 WARN L228 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_ca533380-3da0-445f-b512-d102a0f231f7/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-20 06:20:33,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:20:33,594 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 06:20:33,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:20:33,616 WARN L228 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_ca533380-3da0-445f-b512-d102a0f231f7/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-20 06:20:33,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:20:33,698 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:20:33,726 WARN L228 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_ca533380-3da0-445f-b512-d102a0f231f7/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2021-10-20 06:20:33,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:20:33,852 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:20:33,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33 WrapperNode [2021-10-20 06:20:33,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:20:33,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:20:33,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:20:33,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:20:33,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:33,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:20:34,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:20:34,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:20:34,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:20:34,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:20:34,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:20:34,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:20:34,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:20:34,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (1/1) ... [2021-10-20 06:20:34,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:20:34,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:20:34,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:20:34,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:20:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:20:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 06:20:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:20:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:20:36,912 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:20:36,913 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-20 06:20:36,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:36 BoogieIcfgContainer [2021-10-20 06:20:36,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:20:36,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:20:36,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:20:36,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:20:36,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:20:32" (1/3) ... [2021-10-20 06:20:36,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c08e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:20:36, skipping insertion in model container [2021-10-20 06:20:36,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:33" (2/3) ... [2021-10-20 06:20:36,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c08e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:20:36, skipping insertion in model container [2021-10-20 06:20:36,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:36" (3/3) ... [2021-10-20 06:20:36,925 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2021-10-20 06:20:36,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:20:36,932 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 06:20:36,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:20:37,000 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 06:20:37,001 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 06:20:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:37,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-20 06:20:37,031 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:20:37,032 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:20:37,033 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:20:37,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:20:37,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-20 06:20:37,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:20:37,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [110597626] [2021-10-20 06:20:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:37,066 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:20:37,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:20:37,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:20:37,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 06:20:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:37,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 06:20:37,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:37,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:37,536 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:20:37,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [110597626] [2021-10-20 06:20:37,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [110597626] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:20:37,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:20:37,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:20:37,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261939904] [2021-10-20 06:20:37,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 06:20:37,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:20:37,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 06:20:37,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:20:37,570 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:37,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:20:37,617 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-20 06:20:37,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 06:20:37,619 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-20 06:20:37,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:20:37,633 INFO L225 Difference]: With dead ends: 148 [2021-10-20 06:20:37,633 INFO L226 Difference]: Without dead ends: 73 [2021-10-20 06:20:37,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 06:20:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-20 06:20:37,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-20 06:20:37,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-20 06:20:37,713 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-20 06:20:37,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:20:37,714 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-20 06:20:37,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-20 06:20:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-20 06:20:37,718 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:20:37,718 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:20:37,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:37,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:20:37,933 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:20:37,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:20:37,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-20 06:20:37,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:20:37,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236578802] [2021-10-20 06:20:37,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:37,935 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:20:37,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:20:37,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:20:37,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 06:20:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:38,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:20:38,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:38,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:38,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:20:38,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236578802] [2021-10-20 06:20:38,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236578802] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:20:38,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:20:38,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 06:20:38,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89440103] [2021-10-20 06:20:38,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:20:38,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:20:38,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:20:38,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:20:38,371 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:20:38,404 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-20 06:20:38,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:20:38,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-20 06:20:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:20:38,407 INFO L225 Difference]: With dead ends: 73 [2021-10-20 06:20:38,408 INFO L226 Difference]: Without dead ends: 35 [2021-10-20 06:20:38,409 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:20:38,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-20 06:20:38,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-20 06:20:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-20 06:20:38,418 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-20 06:20:38,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:20:38,419 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-20 06:20:38,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-20 06:20:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-20 06:20:38,420 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:20:38,420 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:20:38,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:38,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:20:38,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:20:38,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:20:38,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-20 06:20:38,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:20:38,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71262570] [2021-10-20 06:20:38,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:38,623 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:20:38,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:20:38,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:20:38,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 06:20:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:38,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:20:38,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:39,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:39,157 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:20:39,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71262570] [2021-10-20 06:20:39,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71262570] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:20:39,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:20:39,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 06:20:39,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186627721] [2021-10-20 06:20:39,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:20:39,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:20:39,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:20:39,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:20:39,161 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:39,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:20:39,189 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-20 06:20:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 06:20:39,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-20 06:20:39,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:20:39,192 INFO L225 Difference]: With dead ends: 116 [2021-10-20 06:20:39,192 INFO L226 Difference]: Without dead ends: 87 [2021-10-20 06:20:39,193 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:20:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-20 06:20:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-20 06:20:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-20 06:20:39,204 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-20 06:20:39,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:20:39,205 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-20 06:20:39,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-20 06:20:39,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-20 06:20:39,206 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:20:39,207 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:20:39,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:39,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:20:39,422 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:20:39,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:20:39,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-20 06:20:39,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:20:39,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57618049] [2021-10-20 06:20:39,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:39,424 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:20:39,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:20:39,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:20:39,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 06:20:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:39,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:20:39,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:39,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:39,956 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:20:39,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57618049] [2021-10-20 06:20:39,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57618049] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:20:39,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:20:39,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-20 06:20:39,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661076836] [2021-10-20 06:20:39,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-20 06:20:39,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:20:39,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-20 06:20:39,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-20 06:20:39,959 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:20:40,296 INFO L93 Difference]: Finished difference Result 373 states and 575 transitions. [2021-10-20 06:20:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-20 06:20:40,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-20 06:20:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:20:40,301 INFO L225 Difference]: With dead ends: 373 [2021-10-20 06:20:40,301 INFO L226 Difference]: Without dead ends: 325 [2021-10-20 06:20:40,302 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 150.1ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-20 06:20:40,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-20 06:20:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 136. [2021-10-20 06:20:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-10-20 06:20:40,335 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 23 [2021-10-20 06:20:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:20:40,336 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-10-20 06:20:40,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-10-20 06:20:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 06:20:40,338 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:20:40,339 INFO L512 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] [2021-10-20 06:20:40,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:40,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:20:40,554 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:20:40,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:20:40,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1402731609, now seen corresponding path program 1 times [2021-10-20 06:20:40,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:20:40,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876885137] [2021-10-20 06:20:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:40,556 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:20:40,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:20:40,557 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:20:40,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 06:20:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:40,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:20:40,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:40,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:40,949 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:20:40,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876885137] [2021-10-20 06:20:40,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876885137] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:20:40,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:20:40,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-20 06:20:40,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084205821] [2021-10-20 06:20:40,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:20:40,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:20:40,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:20:40,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:20:40,953 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:42,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:20:42,441 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2021-10-20 06:20:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:20:42,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-20 06:20:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:20:42,443 INFO L225 Difference]: With dead ends: 354 [2021-10-20 06:20:42,444 INFO L226 Difference]: Without dead ends: 224 [2021-10-20 06:20:42,445 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:20:42,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-20 06:20:42,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2021-10-20 06:20:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.4253393665158371) internal successors, (315), 221 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 315 transitions. [2021-10-20 06:20:42,480 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 315 transitions. Word has length 24 [2021-10-20 06:20:42,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:20:42,480 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 315 transitions. [2021-10-20 06:20:42,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 315 transitions. [2021-10-20 06:20:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-20 06:20:42,483 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:20:42,483 INFO L512 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] [2021-10-20 06:20:42,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:42,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:20:42,698 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:20:42,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:20:42,698 INFO L82 PathProgramCache]: Analyzing trace with hash -796024257, now seen corresponding path program 1 times [2021-10-20 06:20:42,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:20:42,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71300464] [2021-10-20 06:20:42,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:42,700 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:20:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:20:42,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:20:42,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-20 06:20:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:42,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 06:20:42,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:43,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:43,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:43,204 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:20:43,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71300464] [2021-10-20 06:20:43,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71300464] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:20:43,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:20:43,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 06:20:43,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585061120] [2021-10-20 06:20:43,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-20 06:20:43,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:20:43,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-20 06:20:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:20:43,210 INFO L87 Difference]: Start difference. First operand 222 states and 315 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:43,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:20:43,236 INFO L93 Difference]: Finished difference Result 331 states and 474 transitions. [2021-10-20 06:20:43,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 06:20:43,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-20 06:20:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:20:43,238 INFO L225 Difference]: With dead ends: 331 [2021-10-20 06:20:43,238 INFO L226 Difference]: Without dead ends: 115 [2021-10-20 06:20:43,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-20 06:20:43,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-20 06:20:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-20 06:20:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:43,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-20 06:20:43,260 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-10-20 06:20:43,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:20:43,261 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-20 06:20:43,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-20 06:20:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-20 06:20:43,263 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:20:43,263 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 06:20:43,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:43,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 06:20:43,479 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:20:43,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:20:43,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1852777620, now seen corresponding path program 1 times [2021-10-20 06:20:43,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 06:20:43,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610521911] [2021-10-20 06:20:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:43,480 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 06:20:43,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 06:20:43,482 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 06:20:43,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-20 06:20:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:43,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-20 06:20:43,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:43,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 06:20:44,104 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 06:20:44,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610521911] [2021-10-20 06:20:44,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610521911] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:20:44,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [120004420] [2021-10-20 06:20:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:20:44,105 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-20 06:20:44,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/cvc4 [2021-10-20 06:20:44,108 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-20 06:20:44,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-20 06:20:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:20:44,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 06:20:44,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:20:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-20 06:20:44,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:20:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-20 06:20:44,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [120004420] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 06:20:44,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-20 06:20:44,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-20 06:20:44,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700119439] [2021-10-20 06:20:44,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 06:20:44,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 06:20:44,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 06:20:44,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-20 06:20:44,661 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:44,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:20:44,773 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-10-20 06:20:44,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 06:20:44,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-20 06:20:44,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:20:44,775 INFO L225 Difference]: With dead ends: 235 [2021-10-20 06:20:44,775 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:20:44,776 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 89.7ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-20 06:20:44,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:20:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:20:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:20:44,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-20 06:20:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:20:44,777 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:20:44,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-20 06:20:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:20:44,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:20:44,781 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:20:44,782 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:20:44,782 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:20:44,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:45,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-20 06:20:45,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/cvc4 --incremental --print-success --lang smt [2021-10-20 06:20:45,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:20:45,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:20:45,654 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-20 06:20:45,655 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 205) no Hoare annotation was computed. [2021-10-20 06:20:45,655 INFO L857 garLoopResultBuilder]: For program point L201-3(lines 201 205) no Hoare annotation was computed. [2021-10-20 06:20:45,655 INFO L857 garLoopResultBuilder]: For program point L201-6(lines 201 205) no Hoare annotation was computed. [2021-10-20 06:20:45,655 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:20:45,655 INFO L853 garLoopResultBuilder]: At program point L368(lines 368 374) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,655 INFO L853 garLoopResultBuilder]: At program point L368-1(lines 368 374) the Hoare annotation is: false [2021-10-20 06:20:45,656 INFO L853 garLoopResultBuilder]: At program point L368-2(lines 368 374) the Hoare annotation is: false [2021-10-20 06:20:45,656 INFO L853 garLoopResultBuilder]: At program point L270(lines 265 273) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,656 INFO L853 garLoopResultBuilder]: At program point L270-1(lines 265 273) the Hoare annotation is: false [2021-10-20 06:20:45,656 INFO L853 garLoopResultBuilder]: At program point L270-2(lines 265 273) the Hoare annotation is: false [2021-10-20 06:20:45,656 INFO L853 garLoopResultBuilder]: At program point L519(lines 504 522) the Hoare annotation is: false [2021-10-20 06:20:45,656 INFO L853 garLoopResultBuilder]: At program point L519-1(lines 504 522) the Hoare annotation is: false [2021-10-20 06:20:45,656 INFO L853 garLoopResultBuilder]: At program point L519-2(lines 504 522) the Hoare annotation is: false [2021-10-20 06:20:45,657 INFO L853 garLoopResultBuilder]: At program point L569(lines 564 572) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,657 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2021-10-20 06:20:45,657 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,657 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 186) no Hoare annotation was computed. [2021-10-20 06:20:45,657 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-20 06:20:45,657 INFO L853 garLoopResultBuilder]: At program point L173-1(lines 1 938) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,657 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 186) no Hoare annotation was computed. [2021-10-20 06:20:45,658 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-20 06:20:45,658 INFO L853 garLoopResultBuilder]: At program point L173-3(lines 1 938) the Hoare annotation is: false [2021-10-20 06:20:45,658 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 186) no Hoare annotation was computed. [2021-10-20 06:20:45,658 INFO L853 garLoopResultBuilder]: At program point L173-5(lines 1 938) the Hoare annotation is: false [2021-10-20 06:20:45,658 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:20:45,658 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-20 06:20:45,658 INFO L857 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2021-10-20 06:20:45,658 INFO L857 garLoopResultBuilder]: For program point L158-2(line 158) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 229) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 338) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 183) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L857 garLoopResultBuilder]: For program point L177-4(lines 177 183) no Hoare annotation was computed. [2021-10-20 06:20:45,659 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-20 06:20:45,660 INFO L853 garLoopResultBuilder]: At program point L343(lines 294 344) the Hoare annotation is: false [2021-10-20 06:20:45,660 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 410) no Hoare annotation was computed. [2021-10-20 06:20:45,660 INFO L857 garLoopResultBuilder]: For program point L393-1(lines 393 410) no Hoare annotation was computed. [2021-10-20 06:20:45,660 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 393 410) no Hoare annotation was computed. [2021-10-20 06:20:45,660 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-20 06:20:45,660 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,660 INFO L853 garLoopResultBuilder]: At program point L361(lines 360 379) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,665 INFO L857 garLoopResultBuilder]: For program point L361-1(lines 361 367) no Hoare annotation was computed. [2021-10-20 06:20:45,665 INFO L853 garLoopResultBuilder]: At program point L361-2(lines 360 379) the Hoare annotation is: false [2021-10-20 06:20:45,666 INFO L853 garLoopResultBuilder]: At program point L361-3(lines 360 379) the Hoare annotation is: false [2021-10-20 06:20:45,666 INFO L853 garLoopResultBuilder]: At program point L279(lines 274 282) the Hoare annotation is: false [2021-10-20 06:20:45,667 INFO L853 garLoopResultBuilder]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2021-10-20 06:20:45,667 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2021-10-20 06:20:45,667 INFO L853 garLoopResultBuilder]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2021-10-20 06:20:45,667 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2021-10-20 06:20:45,667 INFO L853 garLoopResultBuilder]: At program point L527-1(lines 527 533) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,668 INFO L857 garLoopResultBuilder]: For program point L296(lines 295 342) no Hoare annotation was computed. [2021-10-20 06:20:45,668 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 06:20:45,668 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2021-10-20 06:20:45,669 INFO L853 garLoopResultBuilder]: At program point L561(lines 1 938) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,669 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2021-10-20 06:20:45,669 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-20 06:20:45,669 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 361 367) no Hoare annotation was computed. [2021-10-20 06:20:45,670 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-20 06:20:45,670 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 405) no Hoare annotation was computed. [2021-10-20 06:20:45,670 INFO L857 garLoopResultBuilder]: For program point L397-1(lines 397 405) no Hoare annotation was computed. [2021-10-20 06:20:45,670 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2021-10-20 06:20:45,671 INFO L857 garLoopResultBuilder]: For program point L397-2(lines 397 405) no Hoare annotation was computed. [2021-10-20 06:20:45,671 INFO L853 garLoopResultBuilder]: At program point L331-1(lines 361 367) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,671 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2021-10-20 06:20:45,671 INFO L857 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2021-10-20 06:20:45,671 INFO L857 garLoopResultBuilder]: For program point L513-3(lines 513 517) no Hoare annotation was computed. [2021-10-20 06:20:45,672 INFO L857 garLoopResultBuilder]: For program point L513-5(lines 513 517) no Hoare annotation was computed. [2021-10-20 06:20:45,673 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2021-10-20 06:20:45,673 INFO L857 garLoopResultBuilder]: For program point L513-6(lines 513 517) no Hoare annotation was computed. [2021-10-20 06:20:45,673 INFO L853 garLoopResultBuilder]: At program point L315-1(lines 315 321) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,674 INFO L857 garLoopResultBuilder]: For program point L513-8(lines 513 517) no Hoare annotation was computed. [2021-10-20 06:20:45,674 INFO L853 garLoopResultBuilder]: At program point L464(lines 459 467) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 06:20:45,674 INFO L853 garLoopResultBuilder]: At program point L464-1(lines 459 467) the Hoare annotation is: false [2021-10-20 06:20:45,674 INFO L853 garLoopResultBuilder]: At program point L464-2(lines 459 467) the Hoare annotation is: false [2021-10-20 06:20:45,681 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:20:45,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:20:45 BoogieIcfgContainer [2021-10-20 06:20:45,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:20:45,720 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:20:45,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:20:45,720 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:20:45,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:36" (3/4) ... [2021-10-20 06:20:45,724 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:20:45,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 06:20:45,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 06:20:45,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 06:20:45,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 06:20:45,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 06:20:45,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:20:45,756 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:20:45,795 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-20 06:20:45,861 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:20:45,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:20:45,863 INFO L168 Benchmark]: Toolchain (without parser) took 12862.70 ms. Allocated memory was 58.7 MB in the beginning and 96.5 MB in the end (delta: 37.7 MB). Free memory was 35.4 MB in the beginning and 40.1 MB in the end (delta: -4.7 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:45,864 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 58.7 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:20:45,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.09 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.1 MB in the beginning and 48.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:45,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.15 ms. Allocated memory is still 79.7 MB. Free memory was 48.0 MB in the beginning and 45.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:45,866 INFO L168 Benchmark]: Boogie Preprocessor took 104.41 ms. Allocated memory is still 79.7 MB. Free memory was 45.2 MB in the beginning and 42.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:45,867 INFO L168 Benchmark]: RCFGBuilder took 2804.02 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 58.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:45,867 INFO L168 Benchmark]: TraceAbstraction took 8801.07 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 58.3 MB in the beginning and 46.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:45,868 INFO L168 Benchmark]: Witness Printer took 141.70 ms. Allocated memory is still 96.5 MB. Free memory was 46.3 MB in the beginning and 40.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 06:20:45,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 58.7 MB. Free memory is still 38.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 865.09 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.1 MB in the beginning and 48.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.15 ms. Allocated memory is still 79.7 MB. Free memory was 48.0 MB in the beginning and 45.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.41 ms. Allocated memory is still 79.7 MB. Free memory was 45.2 MB in the beginning and 42.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2804.02 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 58.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8801.07 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 58.3 MB in the beginning and 46.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 49.2 MB. Max. memory is 16.1 GB. * Witness Printer took 141.70 ms. Allocated memory is still 96.5 MB. Free memory was 46.3 MB in the beginning and 40.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 158]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 158]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 158]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8695.5ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 23.6ms, AutomataDifference: 2153.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 454.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 429 SDtfs, 620 SDslu, 624 SDs, 0 SdLazy, 128 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1630.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 269.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 147.8ms AutomataMinimizationTime, 7 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 340.2ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 103.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 213.5ms SsaConstructionTime, 1008.4ms SatisfiabilityAnalysisTime, 1936.8ms InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1608 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 06:20:45,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca533380-3da0-445f-b512-d102a0f231f7/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...