./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09e3ebf9e88b37df43a29457dc1ad9a694c62daa ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09e3ebf9e88b37df43a29457dc1ad9a694c62daa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:49:14,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:49:14,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:49:14,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:49:14,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:49:14,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:49:14,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:49:14,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:49:14,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:49:14,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:49:14,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:49:14,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:49:14,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:49:14,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:49:14,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:49:14,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:49:14,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:49:14,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:49:14,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:49:14,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:49:14,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:49:14,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:49:14,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:49:14,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:49:14,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:49:14,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:49:14,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:49:14,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:49:14,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:49:14,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:49:14,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:49:14,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:49:14,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:49:14,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:49:14,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:49:14,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:49:14,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:49:14,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:49:14,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:49:14,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:49:14,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:49:14,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:49:14,538 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:49:14,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:49:14,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:49:14,539 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:49:14,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:49:14,540 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:49:14,540 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:49:14,540 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:49:14,540 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:49:14,540 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:49:14,540 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:49:14,540 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:49:14,541 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:49:14,541 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:49:14,541 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:49:14,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:49:14,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:49:14,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:49:14,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:49:14,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:49:14,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:49:14,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:49:14,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:49:14,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:49:14,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:49:14,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:49:14,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:49:14,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:49:14,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:49:14,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:49:14,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:49:14,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:49:14,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:49:14,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:49:14,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:49:14,544 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:49:14,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:49:14,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:49:14,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:49:14,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:49:14,545 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan 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(__VERIFIER_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 -> 09e3ebf9e88b37df43a29457dc1ad9a694c62daa [2019-12-07 13:49:14,646 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:49:14,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:49:14,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:49:14,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:49:14,661 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:49:14,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-12-07 13:49:14,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/3425eea68/3bc68fdf26f549869a2bb2cdfcc77177/FLAGb6de7ad5f [2019-12-07 13:49:15,210 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:49:15,211 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-12-07 13:49:15,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/3425eea68/3bc68fdf26f549869a2bb2cdfcc77177/FLAGb6de7ad5f [2019-12-07 13:49:15,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/3425eea68/3bc68fdf26f549869a2bb2cdfcc77177 [2019-12-07 13:49:15,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:49:15,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:49:15,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:49:15,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:49:15,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:49:15,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:49:15" (1/1) ... [2019-12-07 13:49:15,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcbd8ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:15, skipping insertion in model container [2019-12-07 13:49:15,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:49:15" (1/1) ... [2019-12-07 13:49:15,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:49:15,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:49:15,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:49:15,989 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) [2019-12-07 13:49:15,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e9c94d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:15, skipping insertion in model container [2019-12-07 13:49:15,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:49:15,989 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:49:15,991 INFO L168 Benchmark]: Toolchain (without parser) took 252.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:15,991 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:49:15,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:15,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 181]: 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 0.1.25-f470102 [2019-12-07 13:49:17,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:49:17,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:49:17,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:49:17,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:49:17,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:49:17,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:49:17,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:49:17,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:49:17,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:49:17,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:49:17,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:49:17,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:49:17,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:49:17,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:49:17,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:49:17,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:49:17,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:49:17,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:49:17,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:49:17,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:49:17,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:49:17,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:49:17,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:49:17,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:49:17,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:49:17,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:49:17,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:49:17,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:49:17,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:49:17,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:49:17,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:49:17,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:49:17,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:49:17,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:49:17,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:49:17,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:49:17,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:49:17,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:49:17,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:49:17,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:49:17,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:49:17,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:49:17,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:49:17,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:49:17,236 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:49:17,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:49:17,236 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:49:17,236 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:49:17,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:49:17,237 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:49:17,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:49:17,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:49:17,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:49:17,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:49:17,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:49:17,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:49:17,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:49:17,238 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:49:17,238 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:49:17,238 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:49:17,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:49:17,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:49:17,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:49:17,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:49:17,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:49:17,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:49:17,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:49:17,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:49:17,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:49:17,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:49:17,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:49:17,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:49:17,240 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:49:17,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:49:17,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:49:17,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:49:17,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:49:17,241 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan 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(__VERIFIER_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 -> 09e3ebf9e88b37df43a29457dc1ad9a694c62daa [2019-12-07 13:49:17,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:49:17,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:49:17,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:49:17,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:49:17,422 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:49:17,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-12-07 13:49:17,463 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/9efcef1d0/697cf738ab0042e0bab68c6c0fefe1ab/FLAG807b0fb66 [2019-12-07 13:49:17,964 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:49:17,965 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2019-12-07 13:49:17,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/9efcef1d0/697cf738ab0042e0bab68c6c0fefe1ab/FLAG807b0fb66 [2019-12-07 13:49:17,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/data/9efcef1d0/697cf738ab0042e0bab68c6c0fefe1ab [2019-12-07 13:49:17,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:49:17,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:49:17,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:49:17,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:49:17,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:49:17,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:49:17" (1/1) ... [2019-12-07 13:49:17,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:17, skipping insertion in model container [2019-12-07 13:49:17,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:49:17" (1/1) ... [2019-12-07 13:49:17,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:49:18,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:49:18,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:49:18,251 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:49:18,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:49:18,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:49:18,316 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:49:18,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:49:18,389 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:49:18,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18 WrapperNode [2019-12-07 13:49:18,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:49:18,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:49:18,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:49:18,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:49:18,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:49:18,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:49:18,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:49:18,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:49:18,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... [2019-12-07 13:49:18,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:49:18,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:49:18,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:49:18,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:49:18,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:49:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:49:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:49:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:49:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:49:18,949 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:49:18,950 INFO L287 CfgBuilder]: Removed 108 assume(true) statements. [2019-12-07 13:49:18,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:49:18 BoogieIcfgContainer [2019-12-07 13:49:18,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:49:18,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:49:18,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:49:18,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:49:18,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:49:17" (1/3) ... [2019-12-07 13:49:18,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e39f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:49:18, skipping insertion in model container [2019-12-07 13:49:18,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:49:18" (2/3) ... [2019-12-07 13:49:18,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e39f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:49:18, skipping insertion in model container [2019-12-07 13:49:18,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:49:18" (3/3) ... [2019-12-07 13:49:18,958 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2019-12-07 13:49:18,967 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:49:18,974 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:49:18,985 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:49:19,006 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:49:19,006 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:49:19,006 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:49:19,006 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:49:19,006 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:49:19,006 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:49:19,007 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:49:19,007 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:49:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 13:49:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:49:19,021 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:19,022 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:19,022 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:19,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:19,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times [2019-12-07 13:49:19,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:19,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339661940] [2019-12-07 13:49:19,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:49:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:19,170 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:49:19,174 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:19,185 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:49:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:19,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339661940] [2019-12-07 13:49:19,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:19,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:49:19,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903304736] [2019-12-07 13:49:19,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:49:19,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:49:19,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:49:19,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:49:19,204 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 13:49:19,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:19,223 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 13:49:19,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:49:19,224 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:49:19,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:19,232 INFO L225 Difference]: With dead ends: 148 [2019-12-07 13:49:19,232 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 13:49:19,235 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:49:19,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 13:49:19,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 13:49:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 13:49:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 13:49:19,263 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2019-12-07 13:49:19,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:19,263 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 13:49:19,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:49:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 13:49:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:49:19,264 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:19,265 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:49:19,465 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:49:19,466 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:19,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:19,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times [2019-12-07 13:49:19,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:19,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690729159] [2019-12-07 13:49:19,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:49:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:19,740 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:49:19,741 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:19,755 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:49:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:19,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690729159] [2019-12-07 13:49:19,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:19,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:49:19,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573470856] [2019-12-07 13:49:19,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:49:19,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:49:19,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:49:19,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:19,766 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 13:49:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:19,776 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 13:49:19,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:49:19,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:49:19,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:19,777 INFO L225 Difference]: With dead ends: 73 [2019-12-07 13:49:19,777 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 13:49:19,778 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:19,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 13:49:19,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 13:49:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 13:49:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 13:49:19,782 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 13:49:19,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:19,782 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 13:49:19,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:49:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 13:49:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:49:19,783 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:19,783 INFO L410 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] [2019-12-07 13:49:19,983 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:49:19,984 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:19,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:19,985 INFO L82 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times [2019-12-07 13:49:19,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:19,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372174906] [2019-12-07 13:49:19,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:49:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:20,209 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:49:20,210 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:20,218 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:49:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:20,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372174906] [2019-12-07 13:49:20,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:20,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:49:20,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907234985] [2019-12-07 13:49:20,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:49:20,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:49:20,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:49:20,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:20,227 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 13:49:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:20,288 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2019-12-07 13:49:20,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:49:20,288 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:49:20,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:20,290 INFO L225 Difference]: With dead ends: 118 [2019-12-07 13:49:20,290 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 13:49:20,291 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:49:20,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 13:49:20,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2019-12-07 13:49:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 13:49:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-12-07 13:49:20,301 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2019-12-07 13:49:20,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:20,302 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-12-07 13:49:20,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:49:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-12-07 13:49:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:49:20,303 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:20,303 INFO L410 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] [2019-12-07 13:49:20,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:49:20,504 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:20,506 INFO L82 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times [2019-12-07 13:49:20,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:20,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979858313] [2019-12-07 13:49:20,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 13:49:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:49:20,686 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:49:20,688 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:49:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:20,709 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:49:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:49:20,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979858313] [2019-12-07 13:49:20,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:49:20,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:49:20,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242988668] [2019-12-07 13:49:20,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:49:20,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:49:20,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:49:20,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:49:20,741 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 8 states. [2019-12-07 13:49:20,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:49:20,989 INFO L93 Difference]: Finished difference Result 570 states and 876 transitions. [2019-12-07 13:49:20,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 13:49:20,989 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 13:49:20,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:49:20,994 INFO L225 Difference]: With dead ends: 570 [2019-12-07 13:49:20,994 INFO L226 Difference]: Without dead ends: 520 [2019-12-07 13:49:20,995 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 13:49:20,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-12-07 13:49:21,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 142. [2019-12-07 13:49:21,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-12-07 13:49:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2019-12-07 13:49:21,018 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 25 [2019-12-07 13:49:21,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:49:21,018 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2019-12-07 13:49:21,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:49:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2019-12-07 13:49:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:49:21,019 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:49:21,019 INFO L410 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] [2019-12-07 13:49:21,220 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:49:21,222 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:49:21,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:49:21,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times [2019-12-07 13:49:21,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:49:21,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36977632] [2019-12-07 13:49:21,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 13:49:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:49:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:49:22,800 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:49:22,800 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:49:23,001 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:49:23,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:49:23 BoogieIcfgContainer [2019-12-07 13:49:23,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:49:23,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:49:23,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:49:23,096 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:49:23,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:49:18" (3/4) ... [2019-12-07 13:49:23,098 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:49:23,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_56da050f-27bb-4bdd-aba5-7559e3771150/bin/utaipan/witness.graphml [2019-12-07 13:49:23,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:49:23,166 INFO L168 Benchmark]: Toolchain (without parser) took 5180.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -241.5 MB). Peak memory consumption was 296.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:23,167 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:49:23,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:23,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:23,167 INFO L168 Benchmark]: Boogie Preprocessor took 27.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:49:23,168 INFO L168 Benchmark]: RCFGBuilder took 491.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:23,168 INFO L168 Benchmark]: TraceAbstraction took 4143.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 809.5 MB in the end (delta: 214.6 MB). Peak memory consumption was 214.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:23,168 INFO L168 Benchmark]: Witness Printer took 69.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 809.5 MB in the beginning and 1.2 GB in the end (delta: -385.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:49:23,170 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 491.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4143.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 809.5 MB in the end (delta: 214.6 MB). Peak memory consumption was 214.6 MB. Max. memory is 11.5 GB. * Witness Printer took 69.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 809.5 MB in the beginning and 1.2 GB in the end (delta: -385.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int cleanupTimeShifts = 4; [L322] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] int retValue_acc ; [L131] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L137] tmp = valid_product() [L139] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L539] tmp = __VERIFIER_nondet_int() [L541] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp___2) [L765] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L604] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L611] COND TRUE \read(systemActive) [L633] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L636] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L887] int tmp ; [L888] int tmp___0 ; [L889] int tmp___1 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L893] tmp = isMethaneLevelCritical() [L895] COND FALSE !(\read(tmp)) [L877] int retValue_acc ; [L880] retValue_acc = waterLevel [L881] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] tmp___0 = getWaterLevel() [L901] COND TRUE tmp___0 == 2 [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L903] tmp___1 = isPumpRunning() [L905] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 718 SDslu, 553 SDs, 0 SdLazy, 90 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 411 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 8246 SizeOfPredicates, 6 NumberOfNonLiveVariables, 736 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...