./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed5636201ca86e4c0316e1914010795451711e2b ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed5636201ca86e4c0316e1914010795451711e2b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:55,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:55,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:55,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:55,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:55,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:55,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:55,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:55,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:55,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:55,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:55,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:55,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:55,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:55,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:55,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:55,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:55,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:55,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:55,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:55,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:55,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:55,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:55,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:55,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:55,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:55,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:55,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:55,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:55,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:55,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:55,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:55,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:55,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:55,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:55,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:55,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:55,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:55,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:55,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:55,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:55,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:07:55,357 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:55,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:55,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:55,358 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:55,359 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:55,359 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:55,359 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:55,359 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:55,359 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:55,360 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:55,360 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:55,360 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:55,360 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:55,360 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:55,361 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:55,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:55,361 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:55,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:55,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:55,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:55,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:55,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:55,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:55,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:55,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:55,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:55,363 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:55,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:55,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:55,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:55,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:55,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:55,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:55,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:55,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:55,365 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:55,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:55,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:55,366 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:55,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:55,366 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed5636201ca86e4c0316e1914010795451711e2b [2020-11-22 13:07:55,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:55,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:55,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:55,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:55,637 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:55,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-22 13:07:55,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/cfdd3e45d/eef378ea066e498aa88094af84922a96/FLAG7bcaf2e6d [2020-11-22 13:07:56,252 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:56,253 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-22 13:07:56,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/cfdd3e45d/eef378ea066e498aa88094af84922a96/FLAG7bcaf2e6d [2020-11-22 13:07:56,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/cfdd3e45d/eef378ea066e498aa88094af84922a96 [2020-11-22 13:07:56,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:56,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:56,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:56,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:56,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:56,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1e021d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56, skipping insertion in model container [2020-11-22 13:07:56,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:56,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:56,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:56,962 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) [2020-11-22 13:07:56,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3401236b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56, skipping insertion in model container [2020-11-22 13:07:56,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:56,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:07:56,965 INFO L168 Benchmark]: Toolchain (without parser) took 373.91 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 71.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:56,966 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:56,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.40 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 71.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:56,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.40 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 71.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:59,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:59,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:59,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:59,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:59,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:59,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:59,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:59,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:59,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:59,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:59,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:59,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:59,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:59,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:59,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:59,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:59,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:59,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:59,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:59,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:59,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:59,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:59,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:59,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:59,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:59,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:59,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:59,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:59,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:59,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:59,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:59,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:59,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:59,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:59,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:59,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:59,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:59,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:59,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:59,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:59,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:07:59,437 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:59,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:59,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:59,440 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:59,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:59,441 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:59,441 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:59,442 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:59,442 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:59,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:59,445 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:59,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:59,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:59,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:59,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:59,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:59,446 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:59,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:07:59,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:07:59,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:59,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:59,448 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:59,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:59,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:59,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:07:59,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:59,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:59,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:59,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:59,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:59,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:59,451 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:07:59,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:07:59,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:59,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:59,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:59,452 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed5636201ca86e4c0316e1914010795451711e2b [2020-11-22 13:07:59,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:59,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:59,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:59,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:59,879 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:59,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-22 13:07:59,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/3b1a2a635/3064a8ac8a6f4b0c95ffaf64563c3cdd/FLAG51f3e832f [2020-11-22 13:08:00,534 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:08:00,535 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-11-22 13:08:00,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/3b1a2a635/3064a8ac8a6f4b0c95ffaf64563c3cdd/FLAG51f3e832f [2020-11-22 13:08:00,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/data/3b1a2a635/3064a8ac8a6f4b0c95ffaf64563c3cdd [2020-11-22 13:08:00,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:08:00,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:08:00,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:00,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:08:00,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:08:00,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:00" (1/1) ... [2020-11-22 13:08:00,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb81f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:00, skipping insertion in model container [2020-11-22 13:08:00,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:00" (1/1) ... [2020-11-22 13:08:00,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:08:00,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:01,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,293 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 13:08:01,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:08:01,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,409 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:08:01,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:08:01,513 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:08:01,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01 WrapperNode [2020-11-22 13:08:01,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:08:01,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:01,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:08:01,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:08:01,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:08:01,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:08:01,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:08:01,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:08:01,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... [2020-11-22 13:08:01,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:08:01,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:08:01,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:08:01,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:08:01,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/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 [2020-11-22 13:08:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:08:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:08:01,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:08:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:08:04,408 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:04,408 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-22 13:08:04,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04 BoogieIcfgContainer [2020-11-22 13:08:04,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:04,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:04,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:04,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:04,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:00" (1/3) ... [2020-11-22 13:08:04,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e97973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:04, skipping insertion in model container [2020-11-22 13:08:04,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:01" (2/3) ... [2020-11-22 13:08:04,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e97973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:04, skipping insertion in model container [2020-11-22 13:08:04,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04" (3/3) ... [2020-11-22 13:08:04,421 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-11-22 13:08:04,432 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:04,437 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 13:08:04,449 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:08:04,473 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:04,473 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:04,473 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:04,474 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:04,474 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:04,474 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:04,474 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:04,474 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2020-11-22 13:08:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:08:04,510 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:04,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:04,511 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:04,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:04,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1031197650, now seen corresponding path program 1 times [2020-11-22 13:08:04,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:04,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847338979] [2020-11-22 13:08:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/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 [2020-11-22 13:08:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:04,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:08:04,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:04,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:04,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847338979] [2020-11-22 13:08:04,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:04,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:08:04,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673169463] [2020-11-22 13:08:04,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:08:04,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:04,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:08:04,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:04,825 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2020-11-22 13:08:04,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:04,856 INFO L93 Difference]: Finished difference Result 211 states and 314 transitions. [2020-11-22 13:08:04,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:08:04,858 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-22 13:08:04,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:04,870 INFO L225 Difference]: With dead ends: 211 [2020-11-22 13:08:04,870 INFO L226 Difference]: Without dead ends: 103 [2020-11-22 13:08:04,880 INFO L677 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 [2020-11-22 13:08:04,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-11-22 13:08:04,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-11-22 13:08:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-22 13:08:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2020-11-22 13:08:04,923 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2020-11-22 13:08:04,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:04,923 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2020-11-22 13:08:04,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:08:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2020-11-22 13:08:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-22 13:08:04,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:04,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:05,148 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:08:05,148 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:05,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:05,149 INFO L82 PathProgramCache]: Analyzing trace with hash -2077954547, now seen corresponding path program 1 times [2020-11-22 13:08:05,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:05,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346270803] [2020-11-22 13:08:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/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 [2020-11-22 13:08:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:05,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:05,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:05,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:05,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346270803] [2020-11-22 13:08:05,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:05,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:05,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397268572] [2020-11-22 13:08:05,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:05,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:05,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:05,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:05,400 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand 4 states. [2020-11-22 13:08:05,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:05,429 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2020-11-22 13:08:05,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:08:05,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-22 13:08:05,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:05,434 INFO L225 Difference]: With dead ends: 103 [2020-11-22 13:08:05,435 INFO L226 Difference]: Without dead ends: 45 [2020-11-22 13:08:05,436 INFO L677 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 [2020-11-22 13:08:05,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-22 13:08:05,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-22 13:08:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-22 13:08:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2020-11-22 13:08:05,451 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2020-11-22 13:08:05,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:05,454 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2020-11-22 13:08:05,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2020-11-22 13:08:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-22 13:08:05,456 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:05,456 INFO L422 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] [2020-11-22 13:08:05,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:08:05,676 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:05,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:05,677 INFO L82 PathProgramCache]: Analyzing trace with hash -471925062, now seen corresponding path program 1 times [2020-11-22 13:08:05,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:05,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967835738] [2020-11-22 13:08:05,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/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 [2020-11-22 13:08:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:05,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 13:08:05,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:05,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:05,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967835738] [2020-11-22 13:08:05,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:05,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 13:08:05,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824835069] [2020-11-22 13:08:05,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:08:05,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:05,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:08:05,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:08:05,895 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 4 states. [2020-11-22 13:08:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:05,955 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2020-11-22 13:08:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:08:05,955 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-22 13:08:05,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:05,957 INFO L225 Difference]: With dead ends: 146 [2020-11-22 13:08:05,957 INFO L226 Difference]: Without dead ends: 107 [2020-11-22 13:08:05,958 INFO L677 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 [2020-11-22 13:08:05,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-22 13:08:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2020-11-22 13:08:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-11-22 13:08:05,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2020-11-22 13:08:05,977 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2020-11-22 13:08:05,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:05,977 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2020-11-22 13:08:05,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:08:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2020-11-22 13:08:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 13:08:05,979 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:05,979 INFO L422 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] [2020-11-22 13:08:06,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:08:06,193 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:06,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:06,194 INFO L82 PathProgramCache]: Analyzing trace with hash -644490584, now seen corresponding path program 1 times [2020-11-22 13:08:06,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:06,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596126571] [2020-11-22 13:08:06,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/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 [2020-11-22 13:08:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:06,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:06,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:06,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:06,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596126571] [2020-11-22 13:08:06,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:06,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 13:08:06,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527122607] [2020-11-22 13:08:06,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:06,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:06,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:06,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:06,446 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2020-11-22 13:08:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:06,614 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2020-11-22 13:08:06,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 13:08:06,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-22 13:08:06,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:06,619 INFO L225 Difference]: With dead ends: 309 [2020-11-22 13:08:06,619 INFO L226 Difference]: Without dead ends: 251 [2020-11-22 13:08:06,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 13:08:06,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-11-22 13:08:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2020-11-22 13:08:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-22 13:08:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2020-11-22 13:08:06,654 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2020-11-22 13:08:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:06,654 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2020-11-22 13:08:06,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2020-11-22 13:08:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-22 13:08:06,660 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:06,660 INFO L422 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] [2020-11-22 13:08:06,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:08:06,877 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:06,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:06,877 INFO L82 PathProgramCache]: Analyzing trace with hash -235423010, now seen corresponding path program 1 times [2020-11-22 13:08:06,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:06,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625285549] [2020-11-22 13:08:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/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 [2020-11-22 13:08:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:07,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 13:08:07,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:07,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:07,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625285549] [2020-11-22 13:08:07,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:07,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 13:08:07,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131324140] [2020-11-22 13:08:07,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 13:08:07,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:07,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 13:08:07,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 13:08:07,104 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand 5 states. [2020-11-22 13:08:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:07,238 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2020-11-22 13:08:07,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:07,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-22 13:08:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:07,239 INFO L225 Difference]: With dead ends: 312 [2020-11-22 13:08:07,239 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:08:07,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 13:08:07,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:08:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:08:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:08:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:08:07,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-22 13:08:07,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:07,242 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:08:07,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 13:08:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:08:07,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:08:07,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 13:08:07,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:08:07,926 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:07,926 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:08:07,926 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:08:07,926 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 13:08:07,926 INFO L270 CegarLoopResult]: At program point L730(lines 730 736) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,926 INFO L270 CegarLoopResult]: At program point L730-1(lines 730 736) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L730-2(lines 730 736) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L274 CegarLoopResult]: For program point L565(lines 565 571) no Hoare annotation was computed. [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L565-1(lines 565 571) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L499-3(lines 494 502) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L499-4(lines 494 502) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L270 CegarLoopResult]: At program point L499-5(lines 494 502) the Hoare annotation is: false [2020-11-22 13:08:07,927 INFO L274 CegarLoopResult]: For program point L897(lines 897 903) no Hoare annotation was computed. [2020-11-22 13:08:07,928 INFO L270 CegarLoopResult]: At program point L897-1(lines 897 903) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,928 INFO L274 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-11-22 13:08:07,928 INFO L277 CegarLoopResult]: At program point L700-1(lines 700 707) the Hoare annotation is: true [2020-11-22 13:08:07,928 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-22 13:08:07,928 INFO L274 CegarLoopResult]: For program point L536-1(line 536) no Hoare annotation was computed. [2020-11-22 13:08:07,928 INFO L274 CegarLoopResult]: For program point L536-2(line 536) no Hoare annotation was computed. [2020-11-22 13:08:07,928 INFO L270 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,928 INFO L270 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2020-11-22 13:08:07,928 INFO L270 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2020-11-22 13:08:07,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:07,929 INFO L270 CegarLoopResult]: At program point L605(lines 554 606) the Hoare annotation is: false [2020-11-22 13:08:07,929 INFO L270 CegarLoopResult]: At program point L674(lines 670 676) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:07,929 INFO L274 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-11-22 13:08:07,929 INFO L270 CegarLoopResult]: At program point L575-1(lines 575 581) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,929 INFO L270 CegarLoopResult]: At program point L939(lines 1 950) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:07,929 INFO L277 CegarLoopResult]: At program point L709(lines 690 712) the Hoare annotation is: true [2020-11-22 13:08:07,929 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-22 13:08:07,929 INFO L274 CegarLoopResult]: For program point L514(lines 514 527) no Hoare annotation was computed. [2020-11-22 13:08:07,930 INFO L270 CegarLoopResult]: At program point L514-1(lines 1 950) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,930 INFO L274 CegarLoopResult]: For program point L514-2(lines 514 527) no Hoare annotation was computed. [2020-11-22 13:08:07,930 INFO L270 CegarLoopResult]: At program point L514-3(lines 1 950) the Hoare annotation is: false [2020-11-22 13:08:07,930 INFO L274 CegarLoopResult]: For program point L514-4(lines 514 527) no Hoare annotation was computed. [2020-11-22 13:08:07,930 INFO L270 CegarLoopResult]: At program point L514-5(lines 1 950) the Hoare annotation is: false [2020-11-22 13:08:07,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:08:07,930 INFO L274 CegarLoopResult]: For program point L781(lines 781 798) no Hoare annotation was computed. [2020-11-22 13:08:07,930 INFO L274 CegarLoopResult]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2020-11-22 13:08:07,930 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2020-11-22 13:08:07,930 INFO L270 CegarLoopResult]: At program point L947(lines 942 950) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L518(lines 518 524) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L518-2(lines 518 524) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L518-4(lines 518 524) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L585(lines 585 600) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L883-2(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L883-5(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L883-8(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,931 INFO L274 CegarLoopResult]: For program point L883-9(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,932 INFO L274 CegarLoopResult]: For program point L883-11(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,932 INFO L274 CegarLoopResult]: For program point L883-12(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,932 INFO L274 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-11-22 13:08:07,932 INFO L274 CegarLoopResult]: For program point L883-14(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,932 INFO L274 CegarLoopResult]: For program point L883-15(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,938 INFO L274 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-11-22 13:08:07,938 INFO L274 CegarLoopResult]: For program point L883-17(lines 883 887) no Hoare annotation was computed. [2020-11-22 13:08:07,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:08:07,939 INFO L274 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-11-22 13:08:07,939 INFO L274 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-11-22 13:08:07,939 INFO L274 CegarLoopResult]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2020-11-22 13:08:07,939 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-11-22 13:08:07,939 INFO L274 CegarLoopResult]: For program point L556(lines 555 604) no Hoare annotation was computed. [2020-11-22 13:08:07,940 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:08:07,940 INFO L274 CegarLoopResult]: For program point L755(lines 755 772) no Hoare annotation was computed. [2020-11-22 13:08:07,940 INFO L274 CegarLoopResult]: For program point L755-1(lines 755 772) no Hoare annotation was computed. [2020-11-22 13:08:07,941 INFO L274 CegarLoopResult]: For program point L755-2(lines 755 772) no Hoare annotation was computed. [2020-11-22 13:08:07,941 INFO L274 CegarLoopResult]: For program point L755-3(lines 755 772) no Hoare annotation was computed. [2020-11-22 13:08:07,941 INFO L274 CegarLoopResult]: For program point L755-4(lines 755 772) no Hoare annotation was computed. [2020-11-22 13:08:07,941 INFO L274 CegarLoopResult]: For program point L755-5(lines 755 772) no Hoare annotation was computed. [2020-11-22 13:08:07,941 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-11-22 13:08:07,941 INFO L270 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: false [2020-11-22 13:08:07,942 INFO L270 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,942 INFO L270 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2020-11-22 13:08:07,942 INFO L270 CegarLoopResult]: At program point L458-3(lines 453 461) the Hoare annotation is: false [2020-11-22 13:08:07,942 INFO L270 CegarLoopResult]: At program point L458-4(lines 453 461) the Hoare annotation is: false [2020-11-22 13:08:07,942 INFO L270 CegarLoopResult]: At program point L458-5(lines 453 461) the Hoare annotation is: false [2020-11-22 13:08:07,942 INFO L270 CegarLoopResult]: At program point L723(lines 722 741) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,942 INFO L274 CegarLoopResult]: For program point L723-1(lines 723 729) no Hoare annotation was computed. [2020-11-22 13:08:07,943 INFO L270 CegarLoopResult]: At program point L723-2(lines 722 741) the Hoare annotation is: false [2020-11-22 13:08:07,943 INFO L270 CegarLoopResult]: At program point L723-3(lines 722 741) the Hoare annotation is: false [2020-11-22 13:08:07,943 INFO L270 CegarLoopResult]: At program point L889(lines 874 892) the Hoare annotation is: false [2020-11-22 13:08:07,943 INFO L270 CegarLoopResult]: At program point L889-1(lines 874 892) the Hoare annotation is: false [2020-11-22 13:08:07,943 INFO L270 CegarLoopResult]: At program point L889-2(lines 874 892) the Hoare annotation is: false [2020-11-22 13:08:07,943 INFO L270 CegarLoopResult]: At program point L889-3(lines 874 892) the Hoare annotation is: false [2020-11-22 13:08:07,943 INFO L270 CegarLoopResult]: At program point L889-4(lines 874 892) the Hoare annotation is: false [2020-11-22 13:08:07,944 INFO L270 CegarLoopResult]: At program point L889-5(lines 874 892) the Hoare annotation is: false [2020-11-22 13:08:07,944 INFO L270 CegarLoopResult]: At program point L625-2(lines 625 639) the Hoare annotation is: false [2020-11-22 13:08:07,945 INFO L274 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-11-22 13:08:07,945 INFO L274 CegarLoopResult]: For program point L593(lines 593 599) no Hoare annotation was computed. [2020-11-22 13:08:07,945 INFO L270 CegarLoopResult]: At program point L593-1(lines 723 729) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-22 13:08:07,946 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:08:07,946 INFO L270 CegarLoopResult]: At program point L825(lines 818 828) the Hoare annotation is: false [2020-11-22 13:08:07,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:07,946 INFO L270 CegarLoopResult]: At program point L825-1(lines 818 828) the Hoare annotation is: false [2020-11-22 13:08:07,946 INFO L274 CegarLoopResult]: For program point L759(lines 759 767) no Hoare annotation was computed. [2020-11-22 13:08:07,946 INFO L270 CegarLoopResult]: At program point L825-2(lines 818 828) the Hoare annotation is: false [2020-11-22 13:08:07,946 INFO L274 CegarLoopResult]: For program point L759-1(lines 759 767) no Hoare annotation was computed. [2020-11-22 13:08:07,947 INFO L274 CegarLoopResult]: For program point L759-2(lines 759 767) no Hoare annotation was computed. [2020-11-22 13:08:07,947 INFO L274 CegarLoopResult]: For program point L759-3(lines 759 767) no Hoare annotation was computed. [2020-11-22 13:08:07,947 INFO L274 CegarLoopResult]: For program point L759-4(lines 759 767) no Hoare annotation was computed. [2020-11-22 13:08:07,947 INFO L274 CegarLoopResult]: For program point L759-5(lines 759 767) no Hoare annotation was computed. [2020-11-22 13:08:07,947 INFO L274 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-11-22 13:08:07,947 INFO L274 CegarLoopResult]: For program point L629-1(lines 723 729) no Hoare annotation was computed. [2020-11-22 13:08:07,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:07 BoogieIcfgContainer [2020-11-22 13:08:07,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:07,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:07,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:07,976 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:07,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04" (3/4) ... [2020-11-22 13:08:07,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:08:08,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 13:08:08,009 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 13:08:08,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 13:08:08,011 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 13:08:08,012 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:08:08,013 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:08,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:08,048 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2020-11-22 13:08:08,121 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7786209d-8aeb-407c-9169-3aecfae43f4e/bin/utaipan/witness.graphml [2020-11-22 13:08:08,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:08,125 INFO L168 Benchmark]: Toolchain (without parser) took 7262.26 ms. Allocated memory was 71.3 MB in the beginning and 104.9 MB in the end (delta: 33.6 MB). Free memory was 47.0 MB in the beginning and 54.4 MB in the end (delta: -7.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:08,126 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 35.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:08,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.33 ms. Allocated memory is still 71.3 MB. Free memory was 46.8 MB in the beginning and 37.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:08,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.12 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 34.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:08,127 INFO L168 Benchmark]: Boogie Preprocessor took 72.86 ms. Allocated memory is still 71.3 MB. Free memory was 34.0 MB in the beginning and 51.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:08,127 INFO L168 Benchmark]: RCFGBuilder took 2734.25 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 51.3 MB in the beginning and 43.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:08,128 INFO L168 Benchmark]: TraceAbstraction took 3562.03 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.6 MB in the beginning and 63.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:08,128 INFO L168 Benchmark]: Witness Printer took 145.43 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 54.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:08,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 31.4 MB in the end (delta: 35.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 651.33 ms. Allocated memory is still 71.3 MB. Free memory was 46.8 MB in the beginning and 37.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.12 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 34.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.86 ms. Allocated memory is still 71.3 MB. Free memory was 34.0 MB in the beginning and 51.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2734.25 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 51.3 MB in the beginning and 43.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3562.03 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 43.6 MB in the beginning and 63.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * Witness Printer took 145.43 ms. Allocated memory is still 104.9 MB. Free memory was 63.8 MB in the beginning and 54.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 434 SDtfs, 628 SDslu, 446 SDs, 0 SdLazy, 67 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 134 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4062 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 7084 SizeOfPredicates, 8 NumberOfNonLiveVariables, 978 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...