./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.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_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 ...................................................................................................................................... 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_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:51:11,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:51:11,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:51:11,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:51:11,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:51:11,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:51:11,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:51:11,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:51:11,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:51:11,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:51:11,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:51:11,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:51:11,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:51:11,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:51:11,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:51:11,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:51:11,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:51:11,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:51:11,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:51:11,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:51:11,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:51:11,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:51:11,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:51:11,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:51:11,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:51:11,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:51:11,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:51:11,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:51:11,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:51:11,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:51:11,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:51:11,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:51:11,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:51:11,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:51:11,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:51:11,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:51:11,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:51:11,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:51:11,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:51:11,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:51:11,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:51:11,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:51:11,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:51:11,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:51:11,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:51:11,071 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:51:11,071 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:51:11,072 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:51:11,072 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:51:11,072 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:51:11,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:51:11,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:51:11,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:51:11,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:51:11,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:51:11,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:51:11,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:51:11,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:51:11,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:51:11,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:51:11,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:51:11,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:51:11,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:51:11,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:51:11,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:51:11,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:51:11,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:51:11,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:51:11,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:51:11,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:51:11,075 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:51:11,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:51:11,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:51:11,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:51:11,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:51:11,076 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_732f2383-09ac-4e3b-92eb-7977937d5317/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 -> 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 [2019-12-07 21:51:11,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:51:11,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:51:11,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:51:11,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:51:11,203 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:51:11,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-12-07 21:51:11,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/2fa4c2d87/ec7f3c01b3ae409d84a62df5a83dcfce/FLAGa6d39b8ff [2019-12-07 21:51:11,663 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:51:11,664 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-12-07 21:51:11,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/2fa4c2d87/ec7f3c01b3ae409d84a62df5a83dcfce/FLAGa6d39b8ff [2019-12-07 21:51:12,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/2fa4c2d87/ec7f3c01b3ae409d84a62df5a83dcfce [2019-12-07 21:51:12,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:51:12,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:51:12,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:12,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:51:12,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:51:12,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:12" (1/1) ... [2019-12-07 21:51:12,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a523291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:12, skipping insertion in model container [2019-12-07 21:51:12,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:12" (1/1) ... [2019-12-07 21:51:12,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:51:12,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:51:12,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:12,279 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 21:51:12,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30d9bb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:12, skipping insertion in model container [2019-12-07 21:51:12,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:12,280 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:51:12,282 INFO L168 Benchmark]: Toolchain (without parser) took 249.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:12,282 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 21:51:12,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:12,284 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 246.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 68]: 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 21:51:13,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:51:13,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:51:13,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:51:13,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:51:13,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:51:13,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:51:13,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:51:13,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:51:13,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:51:13,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:51:13,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:51:13,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:51:13,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:51:13,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:51:13,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:51:13,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:51:13,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:51:13,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:51:13,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:51:13,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:51:13,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:51:13,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:51:13,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:51:13,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:51:13,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:51:13,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:51:13,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:51:13,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:51:13,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:51:13,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:51:13,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:51:13,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:51:13,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:51:13,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:51:13,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:51:13,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:51:13,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:51:13,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:51:13,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:51:13,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:51:13,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:51:13,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:51:13,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:51:13,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:51:13,503 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:51:13,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:51:13,503 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:51:13,503 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:51:13,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:51:13,503 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:51:13,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:51:13,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:51:13,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:51:13,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:51:13,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:51:13,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:51:13,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:51:13,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:51:13,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:51:13,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:51:13,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:51:13,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:51:13,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:51:13,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:51:13,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:51:13,507 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:51:13,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:51:13,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:51:13,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:51:13,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:51:13,507 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_732f2383-09ac-4e3b-92eb-7977937d5317/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 -> 0f3978068d3e88eb2e8d08ee6f85f2ba09bbc729 [2019-12-07 21:51:13,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:51:13,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:51:13,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:51:13,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:51:13,676 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:51:13,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-12-07 21:51:13,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/cca3a958b/84f5456f54b044dca6ee65e8732bbe94/FLAG94774019f [2019-12-07 21:51:14,177 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:51:14,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2019-12-07 21:51:14,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/cca3a958b/84f5456f54b044dca6ee65e8732bbe94/FLAG94774019f [2019-12-07 21:51:14,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/data/cca3a958b/84f5456f54b044dca6ee65e8732bbe94 [2019-12-07 21:51:14,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:51:14,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:51:14,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:14,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:51:14,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:51:14,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,201 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 09:51:14, skipping insertion in model container [2019-12-07 21:51:14,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:51:14,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:51:14,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:14,450 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:51:14,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:51:14,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:14,497 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:51:14,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:51:14,559 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:51:14,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14 WrapperNode [2019-12-07 21:51:14,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:51:14,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:51:14,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:51:14,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:51:14,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:51:14,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:51:14,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:51:14,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:51:14,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... [2019-12-07 21:51:14,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:51:14,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:51:14,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:51:14,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:51:14,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 21:51:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:51:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:51:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:51:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:51:15,146 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:51:15,146 INFO L287 CfgBuilder]: Removed 116 assume(true) statements. [2019-12-07 21:51:15,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:15 BoogieIcfgContainer [2019-12-07 21:51:15,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:51:15,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:51:15,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:51:15,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:51:15,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:51:14" (1/3) ... [2019-12-07 21:51:15,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab98e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:51:15, skipping insertion in model container [2019-12-07 21:51:15,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:51:14" (2/3) ... [2019-12-07 21:51:15,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab98e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:51:15, skipping insertion in model container [2019-12-07 21:51:15,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:15" (3/3) ... [2019-12-07 21:51:15,152 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2019-12-07 21:51:15,159 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:51:15,165 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:51:15,172 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:51:15,189 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:51:15,189 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:51:15,189 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:51:15,189 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:51:15,189 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:51:15,190 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:51:15,190 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:51:15,190 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:51:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2019-12-07 21:51:15,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:51:15,205 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:15,205 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:15,205 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:15,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:15,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1594902839, now seen corresponding path program 1 times [2019-12-07 21:51:15,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:15,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324793571] [2019-12-07 21:51:15,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 21:51:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:15,370 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:51:15,374 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:15,385 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 21:51:15,385 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:15,388 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 21:51:15,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324793571] [2019-12-07 21:51:15,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:15,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:51:15,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239644200] [2019-12-07 21:51:15,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:51:15,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:15,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:51:15,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:51:15,404 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2019-12-07 21:51:15,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:15,423 INFO L93 Difference]: Finished difference Result 168 states and 251 transitions. [2019-12-07 21:51:15,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:51:15,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 21:51:15,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:15,432 INFO L225 Difference]: With dead ends: 168 [2019-12-07 21:51:15,432 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 21:51:15,435 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 21:51:15,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 21:51:15,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-12-07 21:51:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 21:51:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2019-12-07 21:51:15,464 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 16 [2019-12-07 21:51:15,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:15,464 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2019-12-07 21:51:15,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:51:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2019-12-07 21:51:15,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 21:51:15,465 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:15,466 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:15,666 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:51:15,667 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:15,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:15,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1653307560, now seen corresponding path program 1 times [2019-12-07 21:51:15,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:15,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491758808] [2019-12-07 21:51:15,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 21:51:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:15,869 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:15,870 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:15,883 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 21:51:15,884 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:15,892 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 21:51:15,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491758808] [2019-12-07 21:51:15,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:15,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:51:15,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517739557] [2019-12-07 21:51:15,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:51:15,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:15,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:51:15,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:51:15,895 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 4 states. [2019-12-07 21:51:15,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:15,905 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2019-12-07 21:51:15,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:51:15,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 21:51:15,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:15,906 INFO L225 Difference]: With dead ends: 83 [2019-12-07 21:51:15,907 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 21:51:15,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 21:51:15,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 21:51:15,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 21:51:15,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 21:51:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-12-07 21:51:15,912 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 17 [2019-12-07 21:51:15,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:15,912 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-12-07 21:51:15,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:51:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-12-07 21:51:15,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 21:51:15,913 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:15,913 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] [2019-12-07 21:51:16,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:51:16,113 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:16,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:16,114 INFO L82 PathProgramCache]: Analyzing trace with hash 533078269, now seen corresponding path program 1 times [2019-12-07 21:51:16,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:16,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618745526] [2019-12-07 21:51:16,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 21:51:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:16,211 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:16,213 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:16,221 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 21:51:16,221 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:16,227 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 21:51:16,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618745526] [2019-12-07 21:51:16,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:16,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:51:16,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21523853] [2019-12-07 21:51:16,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:51:16,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:16,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:51:16,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:51:16,229 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 4 states. [2019-12-07 21:51:16,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:16,266 INFO L93 Difference]: Finished difference Result 68 states and 98 transitions. [2019-12-07 21:51:16,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:51:16,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 21:51:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:16,267 INFO L225 Difference]: With dead ends: 68 [2019-12-07 21:51:16,268 INFO L226 Difference]: Without dead ends: 37 [2019-12-07 21:51:16,268 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 21:51:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-12-07 21:51:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-12-07 21:51:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-12-07 21:51:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2019-12-07 21:51:16,274 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 22 [2019-12-07 21:51:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:16,275 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2019-12-07 21:51:16,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:51:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2019-12-07 21:51:16,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 21:51:16,276 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:16,276 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] [2019-12-07 21:51:16,476 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:51:16,477 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:16,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:16,477 INFO L82 PathProgramCache]: Analyzing trace with hash 545820985, now seen corresponding path program 1 times [2019-12-07 21:51:16,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:16,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318576339] [2019-12-07 21:51:16,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 21:51:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:16,610 INFO L264 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:16,612 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:16,618 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 21:51:16,618 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:16,620 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 21:51:16,620 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318576339] [2019-12-07 21:51:16,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:16,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:51:16,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466741175] [2019-12-07 21:51:16,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:51:16,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:16,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:51:16,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:51:16,622 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 3 states. [2019-12-07 21:51:16,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:16,678 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2019-12-07 21:51:16,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:51:16,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-12-07 21:51:16,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:16,679 INFO L225 Difference]: With dead ends: 89 [2019-12-07 21:51:16,679 INFO L226 Difference]: Without dead ends: 58 [2019-12-07 21:51:16,680 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:51:16,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-07 21:51:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2019-12-07 21:51:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 21:51:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2019-12-07 21:51:16,686 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2019-12-07 21:51:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:16,686 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2019-12-07 21:51:16,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:51:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2019-12-07 21:51:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-07 21:51:16,687 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:16,687 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, 1, 1, 1] [2019-12-07 21:51:16,888 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:51:16,889 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:16,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:16,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2110814541, now seen corresponding path program 1 times [2019-12-07 21:51:16,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:16,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418975770] [2019-12-07 21:51:16,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/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 21:51:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:17,026 INFO L264 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:51:17,028 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:17,044 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 21:51:17,045 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:17,054 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 21:51:17,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418975770] [2019-12-07 21:51:17,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:17,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 21:51:17,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926976443] [2019-12-07 21:51:17,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:51:17,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:17,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:51:17,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:51:17,056 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2019-12-07 21:51:17,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:17,136 INFO L93 Difference]: Finished difference Result 266 states and 385 transitions. [2019-12-07 21:51:17,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 21:51:17,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-12-07 21:51:17,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:17,138 INFO L225 Difference]: With dead ends: 266 [2019-12-07 21:51:17,138 INFO L226 Difference]: Without dead ends: 216 [2019-12-07 21:51:17,139 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:51:17,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-12-07 21:51:17,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 100. [2019-12-07 21:51:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-12-07 21:51:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 139 transitions. [2019-12-07 21:51:17,150 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 139 transitions. Word has length 29 [2019-12-07 21:51:17,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:17,150 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 139 transitions. [2019-12-07 21:51:17,150 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:51:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 139 transitions. [2019-12-07 21:51:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 21:51:17,151 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:17,151 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, 1, 1, 1, 1] [2019-12-07 21:51:17,351 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:51:17,352 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:17,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:17,353 INFO L82 PathProgramCache]: Analyzing trace with hash 331369175, now seen corresponding path program 1 times [2019-12-07 21:51:17,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:17,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83414543] [2019-12-07 21:51:17,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 21:51:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:17,469 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:51:17,471 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:17,484 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 21:51:17,484 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:17,487 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 21:51:17,488 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83414543] [2019-12-07 21:51:17,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:17,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:51:17,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602712272] [2019-12-07 21:51:17,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:51:17,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:17,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:51:17,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:51:17,489 INFO L87 Difference]: Start difference. First operand 100 states and 139 transitions. Second operand 5 states. [2019-12-07 21:51:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:17,608 INFO L93 Difference]: Finished difference Result 280 states and 394 transitions. [2019-12-07 21:51:17,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 21:51:17,609 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-12-07 21:51:17,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:17,611 INFO L225 Difference]: With dead ends: 280 [2019-12-07 21:51:17,611 INFO L226 Difference]: Without dead ends: 278 [2019-12-07 21:51:17,611 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 21:51:17,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-07 21:51:17,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 100. [2019-12-07 21:51:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-12-07 21:51:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 138 transitions. [2019-12-07 21:51:17,626 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 138 transitions. Word has length 30 [2019-12-07 21:51:17,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:17,626 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 138 transitions. [2019-12-07 21:51:17,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:51:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2019-12-07 21:51:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 21:51:17,627 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:17,627 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:17,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:51:17,828 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:17,829 INFO L82 PathProgramCache]: Analyzing trace with hash 261712181, now seen corresponding path program 1 times [2019-12-07 21:51:17,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:17,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816485539] [2019-12-07 21:51:17,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 21:51:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:17,930 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:51:17,932 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:17,943 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 21:51:17,943 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:17,946 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 21:51:17,946 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816485539] [2019-12-07 21:51:17,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:17,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:51:17,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658597009] [2019-12-07 21:51:17,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:51:17,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:17,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:51:17,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:51:17,947 INFO L87 Difference]: Start difference. First operand 100 states and 138 transitions. Second operand 5 states. [2019-12-07 21:51:17,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:17,993 INFO L93 Difference]: Finished difference Result 270 states and 372 transitions. [2019-12-07 21:51:17,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:51:17,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 21:51:17,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:17,995 INFO L225 Difference]: With dead ends: 270 [2019-12-07 21:51:17,995 INFO L226 Difference]: Without dead ends: 176 [2019-12-07 21:51:17,996 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:51:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-12-07 21:51:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 106. [2019-12-07 21:51:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-12-07 21:51:18,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2019-12-07 21:51:18,010 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 33 [2019-12-07 21:51:18,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:18,011 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2019-12-07 21:51:18,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:51:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2019-12-07 21:51:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 21:51:18,012 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:18,012 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:18,213 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 21:51:18,213 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:18,214 INFO L82 PathProgramCache]: Analyzing trace with hash -325093833, now seen corresponding path program 1 times [2019-12-07 21:51:18,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:18,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487912814] [2019-12-07 21:51:18,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 21:51:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:18,329 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:51:18,331 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:18,339 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 21:51:18,339 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:18,348 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 21:51:18,348 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487912814] [2019-12-07 21:51:18,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:18,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 21:51:18,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323092399] [2019-12-07 21:51:18,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:51:18,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:18,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:51:18,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:51:18,349 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand 6 states. [2019-12-07 21:51:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:18,382 INFO L93 Difference]: Finished difference Result 288 states and 390 transitions. [2019-12-07 21:51:18,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:51:18,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 21:51:18,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:18,384 INFO L225 Difference]: With dead ends: 288 [2019-12-07 21:51:18,384 INFO L226 Difference]: Without dead ends: 188 [2019-12-07 21:51:18,384 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:51:18,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-12-07 21:51:18,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 110. [2019-12-07 21:51:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 21:51:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 148 transitions. [2019-12-07 21:51:18,393 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 148 transitions. Word has length 33 [2019-12-07 21:51:18,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:18,393 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 148 transitions. [2019-12-07 21:51:18,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:51:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 148 transitions. [2019-12-07 21:51:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 21:51:18,394 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:18,394 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, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:18,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 21:51:18,595 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:18,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1604957511, now seen corresponding path program 1 times [2019-12-07 21:51:18,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:18,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220515961] [2019-12-07 21:51:18,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 21:51:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:18,719 INFO L264 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:51:18,720 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:18,725 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 21:51:18,725 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:18,731 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 21:51:18,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220515961] [2019-12-07 21:51:18,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:18,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:51:18,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69020030] [2019-12-07 21:51:18,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:51:18,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:18,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:51:18,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:51:18,733 INFO L87 Difference]: Start difference. First operand 110 states and 148 transitions. Second operand 4 states. [2019-12-07 21:51:18,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:18,771 INFO L93 Difference]: Finished difference Result 346 states and 468 transitions. [2019-12-07 21:51:18,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:51:18,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-12-07 21:51:18,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:18,773 INFO L225 Difference]: With dead ends: 346 [2019-12-07 21:51:18,773 INFO L226 Difference]: Without dead ends: 242 [2019-12-07 21:51:18,773 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 21:51:18,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2019-12-07 21:51:18,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 192. [2019-12-07 21:51:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-12-07 21:51:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 257 transitions. [2019-12-07 21:51:18,786 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 257 transitions. Word has length 33 [2019-12-07 21:51:18,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:18,786 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 257 transitions. [2019-12-07 21:51:18,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:51:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 257 transitions. [2019-12-07 21:51:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 21:51:18,787 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:18,787 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:18,987 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 21:51:18,988 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:18,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:18,988 INFO L82 PathProgramCache]: Analyzing trace with hash -447661573, now seen corresponding path program 1 times [2019-12-07 21:51:18,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:18,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385075414] [2019-12-07 21:51:18,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 21:51:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:51:19,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:51:19,080 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:51:19,097 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 21:51:19,097 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:51:19,123 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 21:51:19,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385075414] [2019-12-07 21:51:19,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:51:19,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 21:51:19,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512087361] [2019-12-07 21:51:19,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 21:51:19,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:51:19,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 21:51:19,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 21:51:19,125 INFO L87 Difference]: Start difference. First operand 192 states and 257 transitions. Second operand 10 states. [2019-12-07 21:51:19,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:51:19,454 INFO L93 Difference]: Finished difference Result 788 states and 1036 transitions. [2019-12-07 21:51:19,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 21:51:19,454 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-12-07 21:51:19,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:51:19,457 INFO L225 Difference]: With dead ends: 788 [2019-12-07 21:51:19,457 INFO L226 Difference]: Without dead ends: 602 [2019-12-07 21:51:19,458 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2019-12-07 21:51:19,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-07 21:51:19,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 192. [2019-12-07 21:51:19,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-12-07 21:51:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2019-12-07 21:51:19,475 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 34 [2019-12-07 21:51:19,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:51:19,475 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2019-12-07 21:51:19,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 21:51:19,475 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2019-12-07 21:51:19,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 21:51:19,476 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:51:19,476 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:51:19,676 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 21:51:19,677 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:51:19,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:51:19,677 INFO L82 PathProgramCache]: Analyzing trace with hash -2059222374, now seen corresponding path program 1 times [2019-12-07 21:51:19,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:51:19,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [295694377] [2019-12-07 21:51:19,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-12-07 21:51:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:51:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 21:51:21,547 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 21:51:21,547 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 21:51:21,747 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-12-07 21:51:21,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:51:21 BoogieIcfgContainer [2019-12-07 21:51:21,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:51:21,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:51:21,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:51:21,846 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:51:21,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:51:15" (3/4) ... [2019-12-07 21:51:21,848 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 21:51:21,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_732f2383-09ac-4e3b-92eb-7977937d5317/bin/utaipan/witness.graphml [2019-12-07 21:51:21,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:51:21,913 INFO L168 Benchmark]: Toolchain (without parser) took 7716.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.9 MB). Free memory was 952.4 MB in the beginning and 859.9 MB in the end (delta: 92.5 MB). Peak memory consumption was 295.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:21,913 INFO L168 Benchmark]: CDTParser took 0.13 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 21:51:21,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:21,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.85 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 21:51:21,914 INFO L168 Benchmark]: Boogie Preprocessor took 29.38 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:21,914 INFO L168 Benchmark]: RCFGBuilder took 515.79 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: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:21,914 INFO L168 Benchmark]: TraceAbstraction took 6697.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 882.8 MB in the end (delta: 132.5 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:21,914 INFO L168 Benchmark]: Witness Printer took 65.79 ms. Allocated memory is still 1.2 GB. Free memory was 882.8 MB in the beginning and 859.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:51:21,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 362.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.85 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. * Boogie Preprocessor took 29.38 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 515.79 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: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6697.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 882.8 MB in the end (delta: 132.5 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.79 ms. Allocated memory is still 1.2 GB. Free memory was 882.8 MB in the beginning and 859.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L581] int pumpRunning = 0; [L582] int systemActive = 1; [L833] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] int retValue_acc ; [L907] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] int retValue_acc ; [L827] retValue_acc = 1 [L828] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L511] int splverifierCounter ; [L512] int tmp ; [L513] int tmp___0 ; [L514] int tmp___1 ; [L515] int tmp___2 ; [L518] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L528] tmp = __VERIFIER_nondet_int() [L530] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp___2) [L755] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND TRUE ! pumpRunning [L733] int retValue_acc ; [L734] int tmp ; [L735] int tmp___0 ; [L493] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] COND FALSE !(waterLevel < 2) [L500] retValue_acc = 0 [L501] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L746] retValue_acc = tmp___0 [L747] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L623] tmp = isHighWaterLevel() [L625] COND TRUE \read(tmp) [L652] int tmp ; [L677] int retValue_acc ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) [L646] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L770] int tmp ; [L771] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L775] tmp = isMethaneLevelCritical() [L777] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L520] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L522] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L528] tmp = __VERIFIER_nondet_int() [L530] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L538] tmp___0 = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L443] COND FALSE !(\read(methaneLevelCritical)) [L446] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L548] tmp___2 = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp___2) [L755] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L589] COND TRUE \read(pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L419] COND TRUE waterLevel > 0 [L420] waterLevel = waterLevel - 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND TRUE \read(systemActive) [L618] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L621] COND FALSE !(! pumpRunning) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L770] int tmp ; [L771] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L775] tmp = isMethaneLevelCritical() [L777] COND TRUE \read(tmp) [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L779] tmp___0 = isPumpRunning() [L781] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L764] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Result: UNSAFE, OverallTime: 6.5s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 801 SDtfs, 1247 SDslu, 1807 SDs, 0 SdLazy, 224 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 904 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 520 ConstructedInterpolants, 0 QuantifiedInterpolants, 26748 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1924 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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...