./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.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_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/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 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c ...................................................................................................................................... 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_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/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 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:23:57,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:23:57,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:23:57,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:23:57,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:23:57,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:23:57,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:23:57,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:23:57,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:23:57,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:23:57,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:23:57,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:23:57,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:23:57,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:23:57,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:23:57,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:23:57,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:23:57,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:23:57,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:23:57,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:23:57,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:23:57,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:23:57,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:23:57,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:23:57,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:23:57,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:23:57,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:23:57,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:23:57,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:23:57,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:23:57,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:23:57,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:23:57,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:23:57,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:23:57,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:23:57,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:23:57,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:23:57,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:23:57,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:23:57,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:23:57,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:23:57,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 13:23:57,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:23:57,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:23:57,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:23:57,293 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:23:57,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:23:57,293 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:23:57,294 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 13:23:57,294 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:23:57,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:23:57,294 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 13:23:57,294 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 13:23:57,294 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:23:57,295 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 13:23:57,295 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 13:23:57,295 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 13:23:57,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:23:57,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:23:57,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:23:57,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:23:57,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:23:57,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:23:57,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:23:57,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:23:57,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:23:57,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:23:57,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:23:57,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:23:57,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:23:57,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:23:57,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:23:57,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:23:57,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:23:57,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:23:57,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:23:57,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:23:57,299 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 13:23:57,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:23:57,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:23:57,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:23:57,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:23:57,300 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_25e6e0df-178e-4558-81d1-fc3c20221b02/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 -> 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c [2019-12-07 13:23:57,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:23:57,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:23:57,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:23:57,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:23:57,420 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:23:57,420 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2019-12-07 13:23:57,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/cbc38f635/45ec3a6b8c30487fb7530fe5d8e18123/FLAGc7784d003 [2019-12-07 13:23:57,887 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:23:57,887 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2019-12-07 13:23:57,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/cbc38f635/45ec3a6b8c30487fb7530fe5d8e18123/FLAGc7784d003 [2019-12-07 13:23:57,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/cbc38f635/45ec3a6b8c30487fb7530fe5d8e18123 [2019-12-07 13:23:57,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:23:57,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:23:57,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:23:57,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:23:57,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:23:57,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:23:57" (1/1) ... [2019-12-07 13:23:57,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:23:57, skipping insertion in model container [2019-12-07 13:23:57,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:23:57" (1/1) ... [2019-12-07 13:23:57,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:23:57,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:23:58,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:23:58,172 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-12-07 13:23:58,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66106d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:23:58, skipping insertion in model container [2019-12-07 13:23:58,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:23:58,173 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 13:23:58,176 INFO L168 Benchmark]: Toolchain (without parser) took 269.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:23:58,176 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:23:58,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:23:58,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 106]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 13:23:59,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:23:59,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:23:59,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:23:59,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:23:59,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:23:59,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:23:59,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:23:59,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:23:59,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:23:59,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:23:59,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:23:59,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:23:59,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:23:59,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:23:59,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:23:59,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:23:59,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:23:59,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:23:59,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:23:59,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:23:59,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:23:59,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:23:59,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:23:59,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:23:59,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:23:59,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:23:59,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:23:59,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:23:59,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:23:59,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:23:59,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:23:59,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:23:59,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:23:59,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:23:59,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:23:59,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:23:59,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:23:59,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:23:59,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:23:59,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:23:59,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 13:23:59,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:23:59,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:23:59,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 13:23:59,365 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 13:23:59,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 13:23:59,366 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 13:23:59,366 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 13:23:59,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 13:23:59,366 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 13:23:59,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 13:23:59,367 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 13:23:59,368 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 13:23:59,368 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:23:59,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:23:59,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:23:59,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:23:59,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:23:59,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:23:59,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:23:59,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:23:59,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:23:59,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:23:59,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:23:59,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:23:59,369 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 13:23:59,369 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 13:23:59,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:23:59,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:23:59,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:23:59,370 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_25e6e0df-178e-4558-81d1-fc3c20221b02/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 -> 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c [2019-12-07 13:23:59,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:23:59,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:23:59,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:23:59,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:23:59,551 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:23:59,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2019-12-07 13:23:59,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/c6a3becbd/2ac95592bad0464690ea47873f15bd16/FLAG37f8aff38 [2019-12-07 13:24:00,009 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:24:00,010 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2019-12-07 13:24:00,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/c6a3becbd/2ac95592bad0464690ea47873f15bd16/FLAG37f8aff38 [2019-12-07 13:24:00,372 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/data/c6a3becbd/2ac95592bad0464690ea47873f15bd16 [2019-12-07 13:24:00,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:24:00,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:24:00,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:00,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:24:00,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:24:00,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00, skipping insertion in model container [2019-12-07 13:24:00,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:24:00,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:24:00,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:00,637 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 13:24:00,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:24:00,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:00,697 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:24:00,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:24:00,759 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:24:00,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00 WrapperNode [2019-12-07 13:24:00,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:24:00,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:24:00,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:24:00,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:24:00,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:24:00,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:24:00,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:24:00,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:24:00,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... [2019-12-07 13:24:00,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:24:00,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:24:00,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:24:00,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:24:00,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:24:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:24:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 13:24:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:24:00,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:24:01,316 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:24:01,316 INFO L287 CfgBuilder]: Removed 108 assume(true) statements. [2019-12-07 13:24:01,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:01 BoogieIcfgContainer [2019-12-07 13:24:01,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:24:01,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:24:01,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:24:01,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:24:01,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:24:00" (1/3) ... [2019-12-07 13:24:01,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7658c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:24:01, skipping insertion in model container [2019-12-07 13:24:01,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:24:00" (2/3) ... [2019-12-07 13:24:01,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f7658c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:24:01, skipping insertion in model container [2019-12-07 13:24:01,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:01" (3/3) ... [2019-12-07 13:24:01,322 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2019-12-07 13:24:01,329 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:24:01,334 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 13:24:01,342 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 13:24:01,357 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:24:01,358 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:24:01,358 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:24:01,358 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:24:01,358 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:24:01,358 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:24:01,358 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:24:01,358 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:24:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2019-12-07 13:24:01,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 13:24:01,373 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:01,373 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:24:01,374 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:01,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:01,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1926736589, now seen corresponding path program 1 times [2019-12-07 13:24:01,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:01,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140649257] [2019-12-07 13:24:01,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 13:24:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:01,520 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 13:24:01,524 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:01,535 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:01,539 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140649257] [2019-12-07 13:24:01,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:01,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 13:24:01,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922075586] [2019-12-07 13:24:01,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 13:24:01,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:01,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 13:24:01,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:24:01,554 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2019-12-07 13:24:01,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:01,572 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2019-12-07 13:24:01,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 13:24:01,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 13:24:01,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:01,581 INFO L225 Difference]: With dead ends: 148 [2019-12-07 13:24:01,581 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 13:24:01,584 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 13:24:01,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 13:24:01,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 13:24:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 13:24:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-12-07 13:24:01,612 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2019-12-07 13:24:01,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:01,612 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-12-07 13:24:01,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 13:24:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-12-07 13:24:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:24:01,613 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:01,614 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:24:01,815 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 13:24:01,816 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:01,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:01,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1015705836, now seen corresponding path program 1 times [2019-12-07 13:24:01,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:01,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [340250803] [2019-12-07 13:24:01,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 13:24:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:01,968 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:24:01,969 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:01,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:01,985 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:01,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [340250803] [2019-12-07 13:24:01,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:01,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:24:01,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382548169] [2019-12-07 13:24:01,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:24:01,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:01,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:24:01,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:24:01,997 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2019-12-07 13:24:02,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:02,007 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2019-12-07 13:24:02,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:24:02,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:24:02,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:02,008 INFO L225 Difference]: With dead ends: 73 [2019-12-07 13:24:02,008 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 13:24:02,009 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:24:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 13:24:02,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 13:24:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 13:24:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-12-07 13:24:02,013 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-12-07 13:24:02,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:02,013 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-12-07 13:24:02,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:24:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-12-07 13:24:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 13:24:02,014 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:02,014 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:24:02,215 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 13:24:02,215 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:02,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:02,216 INFO L82 PathProgramCache]: Analyzing trace with hash 428358184, now seen corresponding path program 1 times [2019-12-07 13:24:02,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:02,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301774689] [2019-12-07 13:24:02,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 13:24:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:02,390 INFO L264 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:24:02,391 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:02,398 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:02,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301774689] [2019-12-07 13:24:02,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:02,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 13:24:02,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805903748] [2019-12-07 13:24:02,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:24:02,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:02,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:24:02,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:24:02,407 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 4 states. [2019-12-07 13:24:02,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:02,452 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2019-12-07 13:24:02,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:24:02,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 13:24:02,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:02,454 INFO L225 Difference]: With dead ends: 118 [2019-12-07 13:24:02,454 INFO L226 Difference]: Without dead ends: 89 [2019-12-07 13:24:02,455 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:24:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-12-07 13:24:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2019-12-07 13:24:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 13:24:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-12-07 13:24:02,463 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2019-12-07 13:24:02,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:02,463 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-12-07 13:24:02,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:24:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-12-07 13:24:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 13:24:02,464 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:02,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:24:02,665 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 13:24:02,665 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:02,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:02,666 INFO L82 PathProgramCache]: Analyzing trace with hash 796513325, now seen corresponding path program 1 times [2019-12-07 13:24:02,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:02,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430178734] [2019-12-07 13:24:02,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 13:24:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:24:02,846 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 13:24:02,847 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:24:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:02,862 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 13:24:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:24:02,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430178734] [2019-12-07 13:24:02,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:24:02,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 13:24:02,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730347451] [2019-12-07 13:24:02,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:24:02,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 13:24:02,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:24:02,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:24:02,892 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 8 states. [2019-12-07 13:24:03,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:24:03,119 INFO L93 Difference]: Finished difference Result 570 states and 876 transitions. [2019-12-07 13:24:03,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 13:24:03,120 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2019-12-07 13:24:03,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:24:03,123 INFO L225 Difference]: With dead ends: 570 [2019-12-07 13:24:03,123 INFO L226 Difference]: Without dead ends: 520 [2019-12-07 13:24:03,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-12-07 13:24:03,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2019-12-07 13:24:03,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 142. [2019-12-07 13:24:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-12-07 13:24:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2019-12-07 13:24:03,145 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 25 [2019-12-07 13:24:03,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:24:03,145 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2019-12-07 13:24:03,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:24:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2019-12-07 13:24:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 13:24:03,146 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:24:03,146 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:24:03,346 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 13:24:03,347 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:24:03,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:24:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1162795665, now seen corresponding path program 1 times [2019-12-07 13:24:03,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 13:24:03,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795199888] [2019-12-07 13:24:03,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 13:24:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:24:04,862 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 13:24:04,862 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 13:24:05,063 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 13:24:05,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:24:05 BoogieIcfgContainer [2019-12-07 13:24:05,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:24:05,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:24:05,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:24:05,144 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:24:05,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:24:01" (3/4) ... [2019-12-07 13:24:05,146 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 13:24:05,206 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_25e6e0df-178e-4558-81d1-fc3c20221b02/bin/utaipan/witness.graphml [2019-12-07 13:24:05,206 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:24:05,207 INFO L168 Benchmark]: Toolchain (without parser) took 4828.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -230.5 MB). Peak memory consumption was 281.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:05,207 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 13:24:05,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:05,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:24:05,208 INFO L168 Benchmark]: Boogie Preprocessor took 27.59 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:05,208 INFO L168 Benchmark]: RCFGBuilder took 489.26 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: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:05,209 INFO L168 Benchmark]: TraceAbstraction took 3825.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 803.7 MB in the end (delta: 214.9 MB). Peak memory consumption was 214.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:05,209 INFO L168 Benchmark]: Witness Printer took 62.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 803.7 MB in the beginning and 1.2 GB in the end (delta: -373.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:24:05,210 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 378.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.49 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 27.59 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 489.26 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: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3825.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 803.7 MB in the end (delta: 214.9 MB). Peak memory consumption was 214.9 MB. Max. memory is 11.5 GB. * Witness Printer took 62.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 803.7 MB in the beginning and 1.2 GB in the end (delta: -373.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 532]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] int retValue_acc ; [L881] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] tmp = valid_product() [L889] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L551] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L553] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L559] tmp = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L466] COND TRUE waterLevel < 2 [L467] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L764] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L620] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L627] COND TRUE \read(systemActive) [L649] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L652] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L701] int retValue_acc ; [L704] retValue_acc = pumpRunning [L705] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L532] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 77 locations, 3 error locations. Result: UNSAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 718 SDslu, 553 SDs, 0 SdLazy, 90 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 411 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 8246 SizeOfPredicates, 6 NumberOfNonLiveVariables, 736 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...