./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.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_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 ...................................................................................................................................... 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_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:47:17,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:47:17,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:47:17,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:47:17,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:47:17,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:47:17,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:47:17,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:47:17,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:47:17,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:47:17,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:47:17,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:47:17,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:47:17,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:47:17,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:47:17,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:47:17,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:47:17,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:47:17,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:47:17,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:47:17,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:47:17,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:47:17,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:47:17,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:47:17,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:47:17,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:47:17,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:47:17,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:47:17,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:47:17,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:47:17,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:47:17,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:47:17,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:47:17,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:47:17,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:47:17,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:47:17,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:47:17,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:47:17,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:47:17,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:47:17,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:47:17,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:47:17,312 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:47:17,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:47:17,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:47:17,313 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:47:17,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:47:17,314 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:47:17,314 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:47:17,314 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:47:17,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:47:17,314 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:47:17,315 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:47:17,315 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:47:17,315 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:47:17,315 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:47:17,315 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:47:17,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:47:17,316 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:47:17,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:47:17,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:47:17,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:47:17,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:47:17,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:47:17,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:47:17,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:47:17,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:47:17,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:47:17,318 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:47:17,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:47:17,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:47:17,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:47:17,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:47:17,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:47:17,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:47:17,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:47:17,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:47:17,320 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:47:17,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:47:17,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:47:17,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:47:17,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:47:17,320 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_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2019-12-07 12:47:17,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:47:17,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:47:17,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:47:17,462 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:47:17,462 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:47:17,462 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2019-12-07 12:47:17,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/e1317be54/9cbd775bdc5c4146abd35731cc843e1b/FLAG3c420e0fb [2019-12-07 12:47:17,940 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:47:17,941 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2019-12-07 12:47:17,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/e1317be54/9cbd775bdc5c4146abd35731cc843e1b/FLAG3c420e0fb [2019-12-07 12:47:17,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/e1317be54/9cbd775bdc5c4146abd35731cc843e1b [2019-12-07 12:47:17,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:47:17,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:47:17,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:47:17,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:47:17,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:47:17,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:17" (1/1) ... [2019-12-07 12:47:17,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3510f86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:17, skipping insertion in model container [2019-12-07 12:47:17,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:17" (1/1) ... [2019-12-07 12:47:17,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:47:17,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:47:18,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:47:18,239 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 12:47:18,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59d78dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:18, skipping insertion in model container [2019-12-07 12:47:18,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:47:18,241 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:47:18,243 INFO L168 Benchmark]: Toolchain (without parser) took 281.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:18,243 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:47:18,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:18,245 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 360]: 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 12:47:19,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:47:19,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:47:19,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:47:19,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:47:19,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:47:19,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:47:19,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:47:19,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:47:19,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:47:19,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:47:19,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:47:19,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:47:19,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:47:19,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:47:19,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:47:19,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:47:19,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:47:19,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:47:19,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:47:19,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:47:19,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:47:19,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:47:19,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:47:19,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:47:19,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:47:19,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:47:19,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:47:19,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:47:19,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:47:19,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:47:19,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:47:19,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:47:19,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:47:19,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:47:19,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:47:19,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:47:19,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:47:19,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:47:19,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:47:19,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:47:19,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:47:19,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:47:19,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:47:19,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:47:19,485 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:47:19,485 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:47:19,485 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:47:19,485 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:47:19,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:47:19,485 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:47:19,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:47:19,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:47:19,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:47:19,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:47:19,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:47:19,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:47:19,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:47:19,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:47:19,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:47:19,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:47:19,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:47:19,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:47:19,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:47:19,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:47:19,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:47:19,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:47:19,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:47:19,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:47:19,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:47:19,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:47:19,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:47:19,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:47:19,488 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:47:19,489 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:47:19,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:47:19,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:47:19,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:47:19,489 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_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2019-12-07 12:47:19,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:47:19,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:47:19,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:47:19,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:47:19,676 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:47:19,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2019-12-07 12:47:19,719 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/4cb16be9c/0b005341d9e84d898637bed2ceb0cdd9/FLAG23a139234 [2019-12-07 12:47:20,212 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:47:20,213 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2019-12-07 12:47:20,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/4cb16be9c/0b005341d9e84d898637bed2ceb0cdd9/FLAG23a139234 [2019-12-07 12:47:20,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/data/4cb16be9c/0b005341d9e84d898637bed2ceb0cdd9 [2019-12-07 12:47:20,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:47:20,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:47:20,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:47:20,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:47:20,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:47:20,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,238 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 12:47:20, skipping insertion in model container [2019-12-07 12:47:20,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:47:20,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:47:20,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:47:20,488 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:47:20,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:47:20,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:47:20,536 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:47:20,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:47:20,595 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:47:20,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20 WrapperNode [2019-12-07 12:47:20,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:47:20,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:47:20,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:47:20,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:47:20,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:47:20,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:47:20,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:47:20,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:47:20,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... [2019-12-07 12:47:20,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:47:20,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:47:20,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:47:20,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:47:20,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:47:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:47:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:47:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:47:21,166 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:47:21,166 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 12:47:21,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:47:21 BoogieIcfgContainer [2019-12-07 12:47:21,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:47:21,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:47:21,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:47:21,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:47:21,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:47:20" (1/3) ... [2019-12-07 12:47:21,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578d2fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:47:21, skipping insertion in model container [2019-12-07 12:47:21,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:47:20" (2/3) ... [2019-12-07 12:47:21,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578d2fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:47:21, skipping insertion in model container [2019-12-07 12:47:21,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:47:21" (3/3) ... [2019-12-07 12:47:21,172 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2019-12-07 12:47:21,179 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:47:21,185 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:47:21,193 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:47:21,209 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:47:21,209 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:47:21,209 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:47:21,210 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:47:21,210 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:47:21,210 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:47:21,210 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:47:21,210 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:47:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 12:47:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 12:47:21,225 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:47:21,226 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:47:21,226 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:47:21,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:47:21,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1114813757, now seen corresponding path program 1 times [2019-12-07 12:47:21,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:47:21,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [344917732] [2019-12-07 12:47:21,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:21,378 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:47:21,382 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:21,392 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 12:47:21,392 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:21,395 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 12:47:21,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [344917732] [2019-12-07 12:47:21,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:47:21,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:47:21,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736281283] [2019-12-07 12:47:21,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:47:21,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:47:21,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:47:21,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:47:21,411 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 12:47:21,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:47:21,428 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-12-07 12:47:21,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:47:21,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 12:47:21,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:47:21,437 INFO L225 Difference]: With dead ends: 136 [2019-12-07 12:47:21,437 INFO L226 Difference]: Without dead ends: 67 [2019-12-07 12:47:21,439 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 12:47:21,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-12-07 12:47:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-12-07 12:47:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-12-07 12:47:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-12-07 12:47:21,467 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-12-07 12:47:21,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:47:21,467 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-12-07 12:47:21,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:47:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-12-07 12:47:21,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 12:47:21,468 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:47:21,468 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 12:47:21,669 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:47:21,669 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:47:21,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:47:21,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2133396642, now seen corresponding path program 1 times [2019-12-07 12:47:21,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:47:21,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60865791] [2019-12-07 12:47:21,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:21,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:47:21,846 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:21,858 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 12:47:21,858 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:21,865 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 12:47:21,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60865791] [2019-12-07 12:47:21,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:47:21,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:47:21,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843057978] [2019-12-07 12:47:21,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:47:21,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:47:21,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:47:21,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:47:21,869 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 4 states. [2019-12-07 12:47:21,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:47:21,880 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-12-07 12:47:21,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:47:21,880 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 12:47:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:47:21,881 INFO L225 Difference]: With dead ends: 67 [2019-12-07 12:47:21,881 INFO L226 Difference]: Without dead ends: 33 [2019-12-07 12:47:21,882 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 12:47:21,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-12-07 12:47:21,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-12-07 12:47:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 12:47:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-12-07 12:47:21,885 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-12-07 12:47:21,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:47:21,886 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-12-07 12:47:21,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:47:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-07 12:47:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:47:21,887 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:47:21,887 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 12:47:22,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:47:22,088 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:47:22,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:47:22,089 INFO L82 PathProgramCache]: Analyzing trace with hash 719253894, now seen corresponding path program 1 times [2019-12-07 12:47:22,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:47:22,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353332521] [2019-12-07 12:47:22,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:22,244 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:47:22,246 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:22,253 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 12:47:22,254 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:22,261 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 12:47:22,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353332521] [2019-12-07 12:47:22,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:47:22,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:47:22,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988826651] [2019-12-07 12:47:22,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:47:22,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:47:22,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:47:22,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:47:22,263 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 4 states. [2019-12-07 12:47:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:47:22,280 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2019-12-07 12:47:22,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:47:22,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 12:47:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:47:22,282 INFO L225 Difference]: With dead ends: 110 [2019-12-07 12:47:22,282 INFO L226 Difference]: Without dead ends: 83 [2019-12-07 12:47:22,283 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 12:47:22,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-12-07 12:47:22,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2019-12-07 12:47:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 12:47:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-12-07 12:47:22,290 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-12-07 12:47:22,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:47:22,290 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-12-07 12:47:22,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:47:22,291 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-12-07 12:47:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-07 12:47:22,291 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:47:22,291 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 12:47:22,492 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:47:22,493 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:47:22,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:47:22,494 INFO L82 PathProgramCache]: Analyzing trace with hash -842737206, now seen corresponding path program 1 times [2019-12-07 12:47:22,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:47:22,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063340622] [2019-12-07 12:47:22,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:22,646 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:47:22,647 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:22,661 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 12:47:22,661 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:22,688 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 12:47:22,688 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063340622] [2019-12-07 12:47:22,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:47:22,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 12:47:22,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552110538] [2019-12-07 12:47:22,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:47:22,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:47:22,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:47:22,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:47:22,689 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 8 states. [2019-12-07 12:47:22,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:47:22,858 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2019-12-07 12:47:22,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 12:47:22,859 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-12-07 12:47:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:47:22,861 INFO L225 Difference]: With dead ends: 351 [2019-12-07 12:47:22,861 INFO L226 Difference]: Without dead ends: 305 [2019-12-07 12:47:22,862 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 12:47:22,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-12-07 12:47:22,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2019-12-07 12:47:22,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-12-07 12:47:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2019-12-07 12:47:22,877 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2019-12-07 12:47:22,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:47:22,878 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2019-12-07 12:47:22,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:47:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2019-12-07 12:47:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:47:22,879 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:47:22,879 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 12:47:23,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:47:23,081 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:47:23,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:47:23,081 INFO L82 PathProgramCache]: Analyzing trace with hash 767593024, now seen corresponding path program 1 times [2019-12-07 12:47:23,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:47:23,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939844722] [2019-12-07 12:47:23,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:23,257 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:47:23,258 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:23,263 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 12:47:23,263 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:23,264 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 12:47:23,265 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939844722] [2019-12-07 12:47:23,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:47:23,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:47:23,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425745377] [2019-12-07 12:47:23,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:47:23,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:47:23,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:47:23,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:47:23,266 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand 3 states. [2019-12-07 12:47:23,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:47:23,437 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2019-12-07 12:47:23,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:47:23,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 12:47:23,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:47:23,439 INFO L225 Difference]: With dead ends: 342 [2019-12-07 12:47:23,439 INFO L226 Difference]: Without dead ends: 218 [2019-12-07 12:47:23,440 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 12:47:23,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-12-07 12:47:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2019-12-07 12:47:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 12:47:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2019-12-07 12:47:23,460 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2019-12-07 12:47:23,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:47:23,460 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2019-12-07 12:47:23,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:47:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2019-12-07 12:47:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:47:23,461 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:47:23,462 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 12:47:23,662 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:47:23,663 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:47:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:47:23,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1374300376, now seen corresponding path program 1 times [2019-12-07 12:47:23,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:47:23,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024738556] [2019-12-07 12:47:23,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:23,801 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:47:23,802 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:23,808 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 12:47:23,808 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:23,810 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 12:47:23,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024738556] [2019-12-07 12:47:23,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:47:23,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:47:23,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638372774] [2019-12-07 12:47:23,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:47:23,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:47:23,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:47:23,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:47:23,820 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand 3 states. [2019-12-07 12:47:23,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:47:23,835 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2019-12-07 12:47:23,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:47:23,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 12:47:23,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:47:23,836 INFO L225 Difference]: With dead ends: 325 [2019-12-07 12:47:23,836 INFO L226 Difference]: Without dead ends: 115 [2019-12-07 12:47:23,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 12:47:23,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-07 12:47:23,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-07 12:47:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-07 12:47:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2019-12-07 12:47:23,846 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2019-12-07 12:47:23,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:47:23,846 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2019-12-07 12:47:23,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:47:23,846 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2019-12-07 12:47:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 12:47:23,847 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:47:23,847 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:47:24,048 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 12:47:24,049 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:47:24,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:47:24,050 INFO L82 PathProgramCache]: Analyzing trace with hash 402720837, now seen corresponding path program 1 times [2019-12-07 12:47:24,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:47:24,052 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955330837] [2019-12-07 12:47:24,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/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 12:47:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:24,162 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:47:24,164 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:47:24,174 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:47:24,196 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955330837] [2019-12-07 12:47:24,196 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [730347451] [2019-12-07 12:47:24,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 12:47:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:47:24,284 INFO L264 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:47:24,285 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:47:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 12:47:24,310 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:47:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 12:47:24,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 12:47:24,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2019-12-07 12:47:24,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875657493] [2019-12-07 12:47:24,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:47:24,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:47:24,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:47:24,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:47:24,314 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand 5 states. [2019-12-07 12:47:24,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:47:24,397 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2019-12-07 12:47:24,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:47:24,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-07 12:47:24,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:47:24,398 INFO L225 Difference]: With dead ends: 235 [2019-12-07 12:47:24,398 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:47:24,399 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-12-07 12:47:24,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:47:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:47:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:47:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:47:24,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-12-07 12:47:24,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:47:24,400 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:47:24,400 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:47:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:47:24,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:47:24,800 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2019-12-07 12:47:24,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:47:25,042 INFO L246 CegarLoopResult]: For program point L861(lines 861 868) no Hoare annotation was computed. [2019-12-07 12:47:25,042 INFO L249 CegarLoopResult]: At program point L861-1(lines 861 868) the Hoare annotation is: true [2019-12-07 12:47:25,042 INFO L246 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-12-07 12:47:25,042 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 12:47:25,042 INFO L242 CegarLoopResult]: At program point L267(lines 260 270) the Hoare annotation is: false [2019-12-07 12:47:25,042 INFO L242 CegarLoopResult]: At program point L267-1(lines 260 270) the Hoare annotation is: false [2019-12-07 12:47:25,042 INFO L242 CegarLoopResult]: At program point L267-2(lines 260 270) the Hoare annotation is: false [2019-12-07 12:47:25,042 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:47:25,042 INFO L246 CegarLoopResult]: For program point L103(lines 102 149) no Hoare annotation was computed. [2019-12-07 12:47:25,042 INFO L246 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-12-07 12:47:25,042 INFO L246 CegarLoopResult]: For program point L138(lines 138 144) no Hoare annotation was computed. [2019-12-07 12:47:25,043 INFO L242 CegarLoopResult]: At program point L138-1(lines 174 180) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,043 INFO L246 CegarLoopResult]: For program point L320(lines 320 326) no Hoare annotation was computed. [2019-12-07 12:47:25,043 INFO L242 CegarLoopResult]: At program point L320-1(lines 320 326) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,043 INFO L246 CegarLoopResult]: For program point L122(lines 122 128) no Hoare annotation was computed. [2019-12-07 12:47:25,043 INFO L242 CegarLoopResult]: At program point L122-1(lines 122 128) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,043 INFO L246 CegarLoopResult]: For program point L717(lines 717 721) no Hoare annotation was computed. [2019-12-07 12:47:25,043 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:47:25,043 INFO L246 CegarLoopResult]: For program point L883(lines 883 896) no Hoare annotation was computed. [2019-12-07 12:47:25,043 INFO L242 CegarLoopResult]: At program point L883-1(lines 1 899) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,043 INFO L246 CegarLoopResult]: For program point L883-2(lines 883 896) no Hoare annotation was computed. [2019-12-07 12:47:25,043 INFO L242 CegarLoopResult]: At program point L883-3(lines 1 899) the Hoare annotation is: false [2019-12-07 12:47:25,043 INFO L246 CegarLoopResult]: For program point L883-4(lines 883 896) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point L206(lines 206 223) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L242 CegarLoopResult]: At program point L883-5(lines 1 899) the Hoare annotation is: false [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point L206-1(lines 206 223) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point L206-2(lines 206 223) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L242 CegarLoopResult]: At program point L174(lines 173 192) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L242 CegarLoopResult]: At program point L174-2(lines 173 192) the Hoare annotation is: false [2019-12-07 12:47:25,044 INFO L242 CegarLoopResult]: At program point L174-3(lines 173 192) the Hoare annotation is: false [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L249 CegarLoopResult]: At program point L870(lines 851 873) the Hoare annotation is: true [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point L705(lines 705 709) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point L705-3(lines 705 709) no Hoare annotation was computed. [2019-12-07 12:47:25,044 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L705-6(lines 705 709) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L242 CegarLoopResult]: At program point L276(lines 271 279) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,045 INFO L242 CegarLoopResult]: At program point L276-1(lines 271 279) the Hoare annotation is: false [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L242 CegarLoopResult]: At program point L276-2(lines 271 279) the Hoare annotation is: false [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L210-1(lines 210 218) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L242 CegarLoopResult]: At program point L838(lines 834 840) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:47:25,045 INFO L246 CegarLoopResult]: For program point L112(lines 112 118) no Hoare annotation was computed. [2019-12-07 12:47:25,045 INFO L242 CegarLoopResult]: At program point L112-1(lines 112 118) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,045 INFO L242 CegarLoopResult]: At program point L790-2(lines 790 804) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L774(lines 769 777) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L774-1(lines 769 777) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L774-2(lines 769 777) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L246 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L65(lines 1 899) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:47:25,046 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:47:25,046 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L181(lines 181 187) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L181-1(lines 181 187) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L242 CegarLoopResult]: At program point L181-2(lines 181 187) the Hoare annotation is: false [2019-12-07 12:47:25,046 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-12-07 12:47:25,047 INFO L246 CegarLoopResult]: For program point L82-1(line 82) no Hoare annotation was computed. [2019-12-07 12:47:25,047 INFO L246 CegarLoopResult]: For program point L82-2(line 82) no Hoare annotation was computed. [2019-12-07 12:47:25,047 INFO L246 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-12-07 12:47:25,047 INFO L246 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2019-12-07 12:47:25,047 INFO L246 CegarLoopResult]: For program point L794-1(lines 174 180) no Hoare annotation was computed. [2019-12-07 12:47:25,047 INFO L242 CegarLoopResult]: At program point L150(lines 101 151) the Hoare annotation is: false [2019-12-07 12:47:25,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:47:25 BoogieIcfgContainer [2019-12-07 12:47:25,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:47:25,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:47:25,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:47:25,059 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:47:25,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:47:21" (3/4) ... [2019-12-07 12:47:25,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:47:25,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:47:25,073 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:47:25,073 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:47:25,073 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:47:25,074 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:47:25,074 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:47:25,074 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:47:25,095 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 12:47:25,123 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e4101ccd-dce9-4631-b4ad-dffaf53eb1b3/bin/utaipan/witness.graphml [2019-12-07 12:47:25,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:47:25,125 INFO L168 Benchmark]: Toolchain (without parser) took 4891.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -99.8 MB). Peak memory consumption was 106.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:25,125 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:47:25,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:25,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.74 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:25,125 INFO L168 Benchmark]: Boogie Preprocessor took 28.78 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 12:47:25,126 INFO L168 Benchmark]: RCFGBuilder took 498.38 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: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:25,126 INFO L168 Benchmark]: TraceAbstraction took 3890.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -37.0 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:25,126 INFO L168 Benchmark]: Witness Printer took 64.51 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:47:25,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.74 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 498.38 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: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3890.95 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -37.0 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.51 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0bv32 == pumpRunning && splverifierCounter == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 407 SDtfs, 560 SDslu, 627 SDs, 0 SdLazy, 118 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=5, 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, 7 MinimizatonAttempts, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 128 HoareAnnotationTreeSize, 32 FomulaSimplifications, 6254 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 26195 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1496 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...