./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE --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 ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE --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 ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:48:34,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:48:34,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:48:34,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:48:34,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:48:34,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:48:34,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:48:34,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:48:34,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:48:34,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:48:34,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:48:34,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:48:34,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:48:34,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:48:34,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:48:34,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:48:34,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:48:34,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:48:34,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:48:34,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:48:34,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:48:34,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:48:34,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:48:34,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:48:34,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:48:34,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:48:34,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:48:34,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:48:34,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:48:34,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:48:34,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:48:34,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:48:34,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:48:34,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:48:34,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:48:34,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:48:34,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:48:34,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:48:34,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:48:34,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:48:34,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:48:34,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:48:34,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:48:34,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:48:34,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:48:34,360 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:48:34,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:48:34,361 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:48:34,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:48:34,361 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:48:34,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:48:34,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:48:34,362 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:48:34,362 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:48:34,362 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:48:34,363 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:48:34,363 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:48:34,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:48:34,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:48:34,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:48:34,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:48:34,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:48:34,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:48:34,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:48:34,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:48:34,365 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:48:34,365 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:48:34,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:48:34,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:48:34,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:48:34,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:48:34,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:48:34,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:48:34,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:48:34,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:48:34,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:48:34,367 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:48:34,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:48:34,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:48:34,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:48:34,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:48:34,368 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_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2021-10-24 10:48:34,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:48:34,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:48:34,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:48:34,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:48:34,694 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:48:34,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-10-24 10:48:34,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/99f4b9772/83d1914ef95b481ea6bfc12f197508ba/FLAGa0e49a944 [2021-10-24 10:48:35,320 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:48:35,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-10-24 10:48:35,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/99f4b9772/83d1914ef95b481ea6bfc12f197508ba/FLAGa0e49a944 [2021-10-24 10:48:35,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/99f4b9772/83d1914ef95b481ea6bfc12f197508ba [2021-10-24 10:48:35,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:48:35,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:48:35,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:35,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:48:35,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:48:35,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:35" (1/1) ... [2021-10-24 10:48:35,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a06cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:35, skipping insertion in model container [2021-10-24 10:48:35,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:35" (1/1) ... [2021-10-24 10:48:35,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:48:35,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:48:36,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2021-10-24 10:48:36,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:36,157 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) [2021-10-24 10:48:36,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@766ee2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:36, skipping insertion in model container [2021-10-24 10:48:36,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:36,158 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:48:36,162 INFO L168 Benchmark]: Toolchain (without parser) took 499.61 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 50.2 MB in the beginning and 98.9 MB in the end (delta: -48.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:36,163 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:48:36,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.69 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 50.0 MB in the beginning and 98.9 MB in the end (delta: -48.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:48:36,168 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 90.2 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 496.69 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 50.0 MB in the beginning and 98.9 MB in the end (delta: -48.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 281]: 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 0.2.1-dev-e943c26 [2021-10-24 10:48:38,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:48:38,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:48:38,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:48:38,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:48:38,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:48:38,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:48:38,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:48:38,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:48:38,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:48:38,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:48:38,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:48:38,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:48:38,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:48:38,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:48:38,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:48:38,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:48:38,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:48:38,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:48:38,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:48:38,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:48:38,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:48:38,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:48:38,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:48:38,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:48:38,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:48:38,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:48:38,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:48:38,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:48:38,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:48:38,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:48:38,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:48:38,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:48:38,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:48:38,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:48:38,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:48:38,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:48:38,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:48:38,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:48:38,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:48:38,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:48:38,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:48:38,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:48:38,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:48:38,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:48:38,892 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:48:38,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:48:38,893 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:48:38,893 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:48:38,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:48:38,894 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:48:38,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:48:38,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:48:38,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:48:38,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:48:38,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:48:38,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:48:38,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:48:38,898 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:48:38,898 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:48:38,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:48:38,899 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:48:38,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:48:38,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:48:38,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:48:38,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:48:38,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:48:38,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:48:38,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:48:38,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:48:38,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:48:38,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:48:38,902 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:48:38,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:48:38,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:48:38,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:48:38,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:48:38,903 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_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2021-10-24 10:48:39,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:48:39,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:48:39,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:48:39,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:48:39,360 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:48:39,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-10-24 10:48:39,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/6423a92b1/36aa314cacd84aac8664d43763108038/FLAG0ce0dcabf [2021-10-24 10:48:40,032 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:48:40,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2021-10-24 10:48:40,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/6423a92b1/36aa314cacd84aac8664d43763108038/FLAG0ce0dcabf [2021-10-24 10:48:40,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/data/6423a92b1/36aa314cacd84aac8664d43763108038 [2021-10-24 10:48:40,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:48:40,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:48:40,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:40,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:48:40,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:48:40,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:40,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c94de9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40, skipping insertion in model container [2021-10-24 10:48:40,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:40,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:48:40,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:48:40,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2021-10-24 10:48:40,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:40,694 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:48:40,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:48:40,790 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2021-10-24 10:48:40,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:40,800 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:48:40,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2021-10-24 10:48:40,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:48:40,919 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:48:40,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40 WrapperNode [2021-10-24 10:48:40,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:48:40,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:48:40,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:48:40,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:48:40,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:40,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:40,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:48:41,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:48:41,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:48:41,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:48:41,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:48:41,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:48:41,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:48:41,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:48:41,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (1/1) ... [2021-10-24 10:48:41,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:48:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:48:41,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:48:41,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:48:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:48:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:48:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:48:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:48:43,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:48:43,866 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-24 10:48:43,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:43 BoogieIcfgContainer [2021-10-24 10:48:43,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:48:43,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:48:43,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:48:43,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:48:43,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:48:40" (1/3) ... [2021-10-24 10:48:43,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288ffcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:43, skipping insertion in model container [2021-10-24 10:48:43,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:40" (2/3) ... [2021-10-24 10:48:43,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288ffcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:43, skipping insertion in model container [2021-10-24 10:48:43,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:43" (3/3) ... [2021-10-24 10:48:43,877 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2021-10-24 10:48:43,883 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:48:43,883 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:48:43,932 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:48:43,939 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:48:43,939 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:48:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:43,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:48:43,963 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:43,964 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:43,965 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:43,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:43,971 INFO L82 PathProgramCache]: Analyzing trace with hash 325683581, now seen corresponding path program 1 times [2021-10-24 10:48:43,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:43,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846712107] [2021-10-24 10:48:43,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:43,988 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:43,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:43,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:44,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:48:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:44,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:48:44,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:44,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:44,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:44,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846712107] [2021-10-24 10:48:44,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846712107] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:44,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:44,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:48:44,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863315584] [2021-10-24 10:48:44,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:48:44,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:44,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:48:44,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:48:44,370 INFO L87 Difference]: Start difference. First operand has 131 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 130 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:44,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:44,404 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2021-10-24 10:48:44,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:48:44,406 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 10:48:44,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:44,418 INFO L225 Difference]: With dead ends: 256 [2021-10-24 10:48:44,418 INFO L226 Difference]: Without dead ends: 127 [2021-10-24 10:48:44,422 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:48:44,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-24 10:48:44,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2021-10-24 10:48:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 124 states have (on average 1.4758064516129032) internal successors, (183), 126 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2021-10-24 10:48:44,472 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2021-10-24 10:48:44,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:44,472 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2021-10-24 10:48:44,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2021-10-24 10:48:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:48:44,474 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:44,474 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:44,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:44,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:44,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:44,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:44,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1302516555, now seen corresponding path program 1 times [2021-10-24 10:48:44,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:44,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209562470] [2021-10-24 10:48:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:44,704 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:44,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:44,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:44,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:48:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:44,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:48:44,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:44,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:45,048 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:45,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209562470] [2021-10-24 10:48:45,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209562470] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:45,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:45,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:48:45,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175517132] [2021-10-24 10:48:45,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:45,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:45,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:45,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:45,053 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:45,071 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2021-10-24 10:48:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:48:45,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 10:48:45,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:45,073 INFO L225 Difference]: With dead ends: 127 [2021-10-24 10:48:45,073 INFO L226 Difference]: Without dead ends: 53 [2021-10-24 10:48:45,075 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:45,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-24 10:48:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-24 10:48:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-24 10:48:45,083 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-24 10:48:45,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:45,084 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-24 10:48:45,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-24 10:48:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:48:45,085 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:45,086 INFO L512 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] [2021-10-24 10:48:45,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:45,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:45,300 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:45,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:45,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907750, now seen corresponding path program 1 times [2021-10-24 10:48:45,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:45,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965978850] [2021-10-24 10:48:45,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:45,302 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:45,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:45,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:45,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:48:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:45,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:48:45,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:45,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:45,660 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:45,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965978850] [2021-10-24 10:48:45,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965978850] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:45,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:45,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:48:45,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251515775] [2021-10-24 10:48:45,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:45,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:45,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:45,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:45,666 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:45,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:45,754 INFO L93 Difference]: Finished difference Result 170 states and 250 transitions. [2021-10-24 10:48:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:48:45,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:48:45,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:45,758 INFO L225 Difference]: With dead ends: 170 [2021-10-24 10:48:45,760 INFO L226 Difference]: Without dead ends: 123 [2021-10-24 10:48:45,761 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:45,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-24 10:48:45,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 72. [2021-10-24 10:48:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4788732394366197) internal successors, (105), 71 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2021-10-24 10:48:45,782 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 22 [2021-10-24 10:48:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:45,783 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2021-10-24 10:48:45,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2021-10-24 10:48:45,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:48:45,786 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:45,787 INFO L512 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] [2021-10-24 10:48:45,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:46,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:46,008 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:46,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:46,009 INFO L82 PathProgramCache]: Analyzing trace with hash 752688312, now seen corresponding path program 1 times [2021-10-24 10:48:46,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:46,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317055701] [2021-10-24 10:48:46,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:46,010 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:46,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:46,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:46,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:48:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:46,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:48:46,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:46,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:46,446 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:46,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317055701] [2021-10-24 10:48:46,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317055701] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:46,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:46,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:48:46,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871650521] [2021-10-24 10:48:46,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:48:46,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:46,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:48:46,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:48:46,448 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:46,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:46,509 INFO L93 Difference]: Finished difference Result 159 states and 234 transitions. [2021-10-24 10:48:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:48:46,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:48:46,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:46,511 INFO L225 Difference]: With dead ends: 159 [2021-10-24 10:48:46,511 INFO L226 Difference]: Without dead ends: 93 [2021-10-24 10:48:46,512 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:48:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-24 10:48:46,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-10-24 10:48:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 90 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:46,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2021-10-24 10:48:46,526 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 24 [2021-10-24 10:48:46,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:46,527 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2021-10-24 10:48:46,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2021-10-24 10:48:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:48:46,528 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:46,529 INFO L512 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] [2021-10-24 10:48:46,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:46,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:46,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:46,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:46,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1744683281, now seen corresponding path program 1 times [2021-10-24 10:48:46,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:46,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545475960] [2021-10-24 10:48:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:46,745 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:46,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:46,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:46,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:48:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:46,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:48:46,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:47,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:47,229 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:47,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545475960] [2021-10-24 10:48:47,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545475960] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:47,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:47,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:48:47,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819347585] [2021-10-24 10:48:47,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:48:47,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:47,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:48:47,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:48:47,237 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:47,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:47,415 INFO L93 Difference]: Finished difference Result 440 states and 638 transitions. [2021-10-24 10:48:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:48:47,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:48:47,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:47,419 INFO L225 Difference]: With dead ends: 440 [2021-10-24 10:48:47,420 INFO L226 Difference]: Without dead ends: 355 [2021-10-24 10:48:47,423 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 52.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:48:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-24 10:48:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 168. [2021-10-24 10:48:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.4131736526946108) internal successors, (236), 167 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 236 transitions. [2021-10-24 10:48:47,472 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 236 transitions. Word has length 25 [2021-10-24 10:48:47,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:47,473 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 236 transitions. [2021-10-24 10:48:47,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2021-10-24 10:48:47,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:48:47,478 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:47,479 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:47,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:47,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:47,695 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:47,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:47,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1948490375, now seen corresponding path program 1 times [2021-10-24 10:48:47,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:47,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022845422] [2021-10-24 10:48:47,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:47,699 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:47,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:47,700 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:47,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:48:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:47,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:48:47,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:48,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:48,143 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:48,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022845422] [2021-10-24 10:48:48,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022845422] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:48,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:48,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:48:48,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83465554] [2021-10-24 10:48:48,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:48:48,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:48,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:48:48,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:48:48,149 INFO L87 Difference]: Start difference. First operand 168 states and 236 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:48,396 INFO L93 Difference]: Finished difference Result 478 states and 675 transitions. [2021-10-24 10:48:48,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:48:48,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:48:48,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:48,400 INFO L225 Difference]: With dead ends: 478 [2021-10-24 10:48:48,400 INFO L226 Difference]: Without dead ends: 476 [2021-10-24 10:48:48,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 54.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:48:48,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-10-24 10:48:48,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 168. [2021-10-24 10:48:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.401197604790419) internal successors, (234), 167 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 234 transitions. [2021-10-24 10:48:48,425 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 234 transitions. Word has length 26 [2021-10-24 10:48:48,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:48,425 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 234 transitions. [2021-10-24 10:48:48,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 234 transitions. [2021-10-24 10:48:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:48:48,427 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:48,427 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:48,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:48,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:48,649 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:48,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:48,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1292268752, now seen corresponding path program 1 times [2021-10-24 10:48:48,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:48,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1740512647] [2021-10-24 10:48:48,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:48,652 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:48,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:48,653 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:48,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:48:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:48,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:48:48,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:49,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:49,135 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:49,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1740512647] [2021-10-24 10:48:49,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1740512647] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:49,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:49,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:48:49,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21778912] [2021-10-24 10:48:49,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:48:49,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:49,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:48:49,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:49,137 INFO L87 Difference]: Start difference. First operand 168 states and 234 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:49,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:49,242 INFO L93 Difference]: Finished difference Result 624 states and 874 transitions. [2021-10-24 10:48:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:48:49,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:48:49,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:49,246 INFO L225 Difference]: With dead ends: 624 [2021-10-24 10:48:49,246 INFO L226 Difference]: Without dead ends: 462 [2021-10-24 10:48:49,248 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:48:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-10-24 10:48:49,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 452. [2021-10-24 10:48:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 451 states have (on average 1.370288248337029) internal successors, (618), 451 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 618 transitions. [2021-10-24 10:48:49,315 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 618 transitions. Word has length 34 [2021-10-24 10:48:49,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:49,317 INFO L470 AbstractCegarLoop]: Abstraction has 452 states and 618 transitions. [2021-10-24 10:48:49,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 618 transitions. [2021-10-24 10:48:49,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:48:49,322 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:49,323 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:49,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:49,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:49,538 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:49,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:49,538 INFO L82 PathProgramCache]: Analyzing trace with hash -12405074, now seen corresponding path program 1 times [2021-10-24 10:48:49,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:49,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36929540] [2021-10-24 10:48:49,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:49,539 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:49,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:49,540 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:49,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:48:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:49,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:48:49,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:49,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:49,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:49,968 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:49,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36929540] [2021-10-24 10:48:49,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36929540] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:49,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:49,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:48:49,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911652814] [2021-10-24 10:48:49,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:48:49,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:49,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:48:49,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:48:49,975 INFO L87 Difference]: Start difference. First operand 452 states and 618 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:50,163 INFO L93 Difference]: Finished difference Result 1370 states and 1852 transitions. [2021-10-24 10:48:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:48:50,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:48:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:50,169 INFO L225 Difference]: With dead ends: 1370 [2021-10-24 10:48:50,169 INFO L226 Difference]: Without dead ends: 924 [2021-10-24 10:48:50,171 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:48:50,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-10-24 10:48:50,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 482. [2021-10-24 10:48:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 481 states have (on average 1.3471933471933473) internal successors, (648), 481 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 648 transitions. [2021-10-24 10:48:50,245 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 648 transitions. Word has length 34 [2021-10-24 10:48:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:50,245 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 648 transitions. [2021-10-24 10:48:50,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 648 transitions. [2021-10-24 10:48:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:48:50,247 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:50,247 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:50,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:50,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:50,461 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:50,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:50,461 INFO L82 PathProgramCache]: Analyzing trace with hash -599211088, now seen corresponding path program 1 times [2021-10-24 10:48:50,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:50,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363941235] [2021-10-24 10:48:50,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:50,462 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:50,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:50,463 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:50,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:48:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:50,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:48:50,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:50,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:50,943 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:50,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363941235] [2021-10-24 10:48:50,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363941235] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:50,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:50,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:48:50,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042485032] [2021-10-24 10:48:50,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:48:50,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:50,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:48:50,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:48:50,948 INFO L87 Difference]: Start difference. First operand 482 states and 648 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:51,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:51,086 INFO L93 Difference]: Finished difference Result 1155 states and 1547 transitions. [2021-10-24 10:48:51,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:48:51,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:48:51,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:51,090 INFO L225 Difference]: With dead ends: 1155 [2021-10-24 10:48:51,091 INFO L226 Difference]: Without dead ends: 679 [2021-10-24 10:48:51,092 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:48:51,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2021-10-24 10:48:51,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 328. [2021-10-24 10:48:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.342507645259939) internal successors, (439), 327 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 439 transitions. [2021-10-24 10:48:51,156 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 439 transitions. Word has length 34 [2021-10-24 10:48:51,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:51,157 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 439 transitions. [2021-10-24 10:48:51,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 439 transitions. [2021-10-24 10:48:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:48:51,159 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:51,159 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:51,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:51,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:51,372 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:51,373 INFO L82 PathProgramCache]: Analyzing trace with hash -362639056, now seen corresponding path program 1 times [2021-10-24 10:48:51,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:51,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141504503] [2021-10-24 10:48:51,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:51,374 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:51,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:51,375 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:51,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:48:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:51,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:48:51,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:51,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:48:51,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:51,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141504503] [2021-10-24 10:48:51,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141504503] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:51,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:51,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:48:51,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000205409] [2021-10-24 10:48:51,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:48:51,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:51,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:48:51,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:48:51,978 INFO L87 Difference]: Start difference. First operand 328 states and 439 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:53,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:53,884 INFO L93 Difference]: Finished difference Result 1604 states and 2116 transitions. [2021-10-24 10:48:53,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 10:48:53,884 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 10:48:53,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:53,895 INFO L225 Difference]: With dead ends: 1604 [2021-10-24 10:48:53,895 INFO L226 Difference]: Without dead ends: 1282 [2021-10-24 10:48:53,896 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 207.9ms TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-24 10:48:53,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2021-10-24 10:48:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 328. [2021-10-24 10:48:53,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 327 states have (on average 1.3180428134556574) internal successors, (431), 327 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 431 transitions. [2021-10-24 10:48:53,957 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 431 transitions. Word has length 35 [2021-10-24 10:48:53,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:53,957 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 431 transitions. [2021-10-24 10:48:53,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 431 transitions. [2021-10-24 10:48:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 10:48:53,960 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:48:53,960 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:48:53,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:54,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:54,174 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:48:54,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:48:54,174 INFO L82 PathProgramCache]: Analyzing trace with hash 653132802, now seen corresponding path program 1 times [2021-10-24 10:48:54,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:48:54,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919787044] [2021-10-24 10:48:54,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:48:54,175 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:48:54,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:48:54,177 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:48:54,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:48:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:48:54,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:48:54,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:48:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-24 10:48:54,724 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:48:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-24 10:48:54,894 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:48:54,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919787044] [2021-10-24 10:48:54,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919787044] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:48:54,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:48:54,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:48:54,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689454983] [2021-10-24 10:48:54,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:48:54,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:48:54,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:48:54,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:48:54,896 INFO L87 Difference]: Start difference. First operand 328 states and 431 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:56,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:48:56,970 INFO L93 Difference]: Finished difference Result 1292 states and 1687 transitions. [2021-10-24 10:48:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 10:48:56,971 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-24 10:48:56,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:48:56,972 INFO L225 Difference]: With dead ends: 1292 [2021-10-24 10:48:56,972 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:48:56,974 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 216.5ms TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-24 10:48:56,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:48:56,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:48:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:48:56,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-24 10:48:56,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:48:56,976 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:48:56,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:48:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:48:56,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:48:56,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:48:56,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:48:56,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:48:57,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:48:57,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:48:57,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:48:57,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:57,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:57,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:57,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:57,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:57,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:57,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:57,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:58,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:59,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:59,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:59,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:59,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:48:59,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:00,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:00,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:00,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:00,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:01,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:01,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:01,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:01,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:01,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:02,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:03,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:49:18,153 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2021-10-24 10:49:18,153 INFO L853 garLoopResultBuilder]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse2 .cse1))) [2021-10-24 10:49:18,154 INFO L853 garLoopResultBuilder]: At program point L665-1(lines 665 671) the Hoare annotation is: false [2021-10-24 10:49:18,154 INFO L853 garLoopResultBuilder]: At program point L665-2(lines 665 671) the Hoare annotation is: false [2021-10-24 10:49:18,154 INFO L857 garLoopResultBuilder]: For program point L633(lines 633 639) no Hoare annotation was computed. [2021-10-24 10:49:18,154 INFO L857 garLoopResultBuilder]: For program point L633-2(lines 633 639) no Hoare annotation was computed. [2021-10-24 10:49:18,154 INFO L857 garLoopResultBuilder]: For program point L633-4(lines 633 639) no Hoare annotation was computed. [2021-10-24 10:49:18,155 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 904) no Hoare annotation was computed. [2021-10-24 10:49:18,155 INFO L853 garLoopResultBuilder]: At program point L898-1(lines 898 904) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 10:49:18,155 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2021-10-24 10:49:18,155 INFO L860 garLoopResultBuilder]: At program point L239-1(lines 239 246) the Hoare annotation is: true [2021-10-24 10:49:18,155 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:49:18,155 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:49:18,156 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:49:18,156 INFO L857 garLoopResultBuilder]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:49:18,156 INFO L857 garLoopResultBuilder]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:49:18,156 INFO L857 garLoopResultBuilder]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:49:18,156 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:49:18,156 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,156 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,157 INFO L857 garLoopResultBuilder]: For program point L835-3(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,157 INFO L857 garLoopResultBuilder]: For program point L835-5(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,157 INFO L857 garLoopResultBuilder]: For program point L835-6(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,157 INFO L857 garLoopResultBuilder]: For program point L835-8(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,157 INFO L857 garLoopResultBuilder]: For program point L835-9(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,157 INFO L857 garLoopResultBuilder]: For program point L835-11(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,158 INFO L857 garLoopResultBuilder]: For program point L835-12(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,158 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2021-10-24 10:49:18,158 INFO L857 garLoopResultBuilder]: For program point L835-14(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,158 INFO L857 garLoopResultBuilder]: For program point L835-15(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,158 INFO L857 garLoopResultBuilder]: For program point L835-17(lines 835 839) no Hoare annotation was computed. [2021-10-24 10:49:18,158 INFO L853 garLoopResultBuilder]: At program point L969(lines 1 980) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,159 INFO L853 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,159 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:49:18,159 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-10-24 10:49:18,159 INFO L853 garLoopResultBuilder]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2021-10-24 10:49:18,159 INFO L853 garLoopResultBuilder]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2021-10-24 10:49:18,159 INFO L853 garLoopResultBuilder]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2021-10-24 10:49:18,160 INFO L853 garLoopResultBuilder]: At program point L938(lines 887 939) the Hoare annotation is: false [2021-10-24 10:49:18,160 INFO L853 garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,160 INFO L857 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2021-10-24 10:49:18,160 INFO L857 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2021-10-24 10:49:18,160 INFO L857 garLoopResultBuilder]: For program point L873-2(line 873) no Hoare annotation was computed. [2021-10-24 10:49:18,161 INFO L853 garLoopResultBuilder]: At program point L841(lines 826 844) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,161 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 826 844) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 10:49:18,161 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 826 844) the Hoare annotation is: false [2021-10-24 10:49:18,161 INFO L853 garLoopResultBuilder]: At program point L841-3(lines 826 844) the Hoare annotation is: false [2021-10-24 10:49:18,161 INFO L853 garLoopResultBuilder]: At program point L841-4(lines 826 844) the Hoare annotation is: false [2021-10-24 10:49:18,161 INFO L853 garLoopResultBuilder]: At program point L841-5(lines 826 844) the Hoare annotation is: false [2021-10-24 10:49:18,161 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 914) no Hoare annotation was computed. [2021-10-24 10:49:18,162 INFO L853 garLoopResultBuilder]: At program point L908-1(lines 908 914) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-24 10:49:18,162 INFO L860 garLoopResultBuilder]: At program point L248(lines 229 251) the Hoare annotation is: true [2021-10-24 10:49:18,162 INFO L853 garLoopResultBuilder]: At program point L777(lines 770 780) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1))) [2021-10-24 10:49:18,162 INFO L853 garLoopResultBuilder]: At program point L777-1(lines 770 780) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,162 INFO L853 garLoopResultBuilder]: At program point L777-2(lines 770 780) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-24 10:49:18,163 INFO L853 garLoopResultBuilder]: At program point L777-3(lines 770 780) the Hoare annotation is: false [2021-10-24 10:49:18,163 INFO L853 garLoopResultBuilder]: At program point L777-4(lines 770 780) the Hoare annotation is: false [2021-10-24 10:49:18,163 INFO L853 garLoopResultBuilder]: At program point L777-5(lines 770 780) the Hoare annotation is: false [2021-10-24 10:49:18,163 INFO L853 garLoopResultBuilder]: At program point L777-6(lines 770 780) the Hoare annotation is: false [2021-10-24 10:49:18,163 INFO L853 garLoopResultBuilder]: At program point L777-7(lines 770 780) the Hoare annotation is: false [2021-10-24 10:49:18,163 INFO L853 garLoopResultBuilder]: At program point L777-8(lines 770 780) the Hoare annotation is: false [2021-10-24 10:49:18,163 INFO L853 garLoopResultBuilder]: At program point L977(lines 972 980) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,164 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:49:18,164 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-24 10:49:18,164 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 733) no Hoare annotation was computed. [2021-10-24 10:49:18,164 INFO L857 garLoopResultBuilder]: For program point L716-1(lines 716 733) no Hoare annotation was computed. [2021-10-24 10:49:18,164 INFO L857 garLoopResultBuilder]: For program point L716-2(lines 716 733) no Hoare annotation was computed. [2021-10-24 10:49:18,164 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-24 10:49:18,165 INFO L853 garLoopResultBuilder]: At program point L849-1(lines 849 855) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-24 10:49:18,165 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:49:18,165 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 758) no Hoare annotation was computed. [2021-10-24 10:49:18,165 INFO L857 garLoopResultBuilder]: For program point L752-2(lines 752 758) no Hoare annotation was computed. [2021-10-24 10:49:18,165 INFO L857 garLoopResultBuilder]: For program point L752-4(lines 752 758) no Hoare annotation was computed. [2021-10-24 10:49:18,165 INFO L857 garLoopResultBuilder]: For program point L752-6(lines 752 758) no Hoare annotation was computed. [2021-10-24 10:49:18,165 INFO L857 garLoopResultBuilder]: For program point L752-8(lines 752 758) no Hoare annotation was computed. [2021-10-24 10:49:18,166 INFO L857 garLoopResultBuilder]: For program point L752-10(lines 752 758) no Hoare annotation was computed. [2021-10-24 10:49:18,166 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 933) no Hoare annotation was computed. [2021-10-24 10:49:18,166 INFO L853 garLoopResultBuilder]: At program point L786(lines 781 789) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,166 INFO L853 garLoopResultBuilder]: At program point L786-1(lines 781 789) the Hoare annotation is: false [2021-10-24 10:49:18,166 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2021-10-24 10:49:18,166 INFO L853 garLoopResultBuilder]: At program point L786-2(lines 781 789) the Hoare annotation is: false [2021-10-24 10:49:18,166 INFO L857 garLoopResultBuilder]: For program point L720-1(lines 720 728) no Hoare annotation was computed. [2021-10-24 10:49:18,167 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2021-10-24 10:49:18,167 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:49:18,167 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 707) no Hoare annotation was computed. [2021-10-24 10:49:18,167 INFO L857 garLoopResultBuilder]: For program point L690-1(lines 690 707) no Hoare annotation was computed. [2021-10-24 10:49:18,167 INFO L857 garLoopResultBuilder]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2021-10-24 10:49:18,167 INFO L857 garLoopResultBuilder]: For program point L690-3(lines 690 707) no Hoare annotation was computed. [2021-10-24 10:49:18,167 INFO L857 garLoopResultBuilder]: For program point L690-4(lines 690 707) no Hoare annotation was computed. [2021-10-24 10:49:18,168 INFO L857 garLoopResultBuilder]: For program point L690-5(lines 690 707) no Hoare annotation was computed. [2021-10-24 10:49:18,168 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:49:18,168 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:49:18,168 INFO L857 garLoopResultBuilder]: For program point L889(lines 888 937) no Hoare annotation was computed. [2021-10-24 10:49:18,168 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:49:18,168 INFO L853 garLoopResultBuilder]: At program point L658(lines 657 676) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-24 10:49:18,168 INFO L857 garLoopResultBuilder]: For program point L658-1(lines 658 664) no Hoare annotation was computed. [2021-10-24 10:49:18,169 INFO L853 garLoopResultBuilder]: At program point L658-2(lines 657 676) the Hoare annotation is: false [2021-10-24 10:49:18,169 INFO L853 garLoopResultBuilder]: At program point L658-3(lines 657 676) the Hoare annotation is: false [2021-10-24 10:49:18,169 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: false [2021-10-24 10:49:18,169 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2021-10-24 10:49:18,169 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-24 10:49:18,169 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:49:18,170 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2021-10-24 10:49:18,170 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 702) no Hoare annotation was computed. [2021-10-24 10:49:18,170 INFO L857 garLoopResultBuilder]: For program point L694-1(lines 694 702) no Hoare annotation was computed. [2021-10-24 10:49:18,170 INFO L857 garLoopResultBuilder]: For program point L694-2(lines 694 702) no Hoare annotation was computed. [2021-10-24 10:49:18,170 INFO L857 garLoopResultBuilder]: For program point L694-3(lines 694 702) no Hoare annotation was computed. [2021-10-24 10:49:18,170 INFO L857 garLoopResultBuilder]: For program point L694-4(lines 694 702) no Hoare annotation was computed. [2021-10-24 10:49:18,170 INFO L857 garLoopResultBuilder]: For program point L694-5(lines 694 702) no Hoare annotation was computed. [2021-10-24 10:49:18,171 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-24 10:49:18,171 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:49:18,171 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2))) [2021-10-24 10:49:18,171 INFO L853 garLoopResultBuilder]: At program point L100-3(lines 95 103) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 10:49:18,171 INFO L853 garLoopResultBuilder]: At program point L100-4(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,171 INFO L853 garLoopResultBuilder]: At program point L100-5(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,172 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-10-24 10:49:18,172 INFO L853 garLoopResultBuilder]: At program point L100-6(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,172 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 658 664) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse3))) [2021-10-24 10:49:18,172 INFO L853 garLoopResultBuilder]: At program point L100-7(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,172 INFO L853 garLoopResultBuilder]: At program point L100-8(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,172 INFO L853 garLoopResultBuilder]: At program point L100-9(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,172 INFO L853 garLoopResultBuilder]: At program point L100-10(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,173 INFO L853 garLoopResultBuilder]: At program point L100-11(lines 95 103) the Hoare annotation is: false [2021-10-24 10:49:18,173 INFO L857 garLoopResultBuilder]: For program point L629(lines 629 642) no Hoare annotation was computed. [2021-10-24 10:49:18,173 INFO L853 garLoopResultBuilder]: At program point L629-1(lines 1 980) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 10:49:18,173 INFO L857 garLoopResultBuilder]: For program point L629-2(lines 629 642) no Hoare annotation was computed. [2021-10-24 10:49:18,173 INFO L853 garLoopResultBuilder]: At program point L629-3(lines 1 980) the Hoare annotation is: false [2021-10-24 10:49:18,173 INFO L857 garLoopResultBuilder]: For program point L629-4(lines 629 642) no Hoare annotation was computed. [2021-10-24 10:49:18,174 INFO L853 garLoopResultBuilder]: At program point L629-5(lines 1 980) the Hoare annotation is: false [2021-10-24 10:49:18,174 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-10-24 10:49:18,174 INFO L857 garLoopResultBuilder]: For program point L167-1(lines 658 664) no Hoare annotation was computed. [2021-10-24 10:49:18,179 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:49:18,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:49:18 BoogieIcfgContainer [2021-10-24 10:49:18,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:49:18,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:49:18,222 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:49:18,223 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:49:18,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:43" (3/4) ... [2021-10-24 10:49:18,226 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:49:18,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:49:18,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:49:18,258 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:49:18,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:49:18,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:49:18,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:49:18,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:49:18,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:49:18,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:49:18,309 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) [2021-10-24 10:49:18,311 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:49:18,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) [2021-10-24 10:49:18,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 10:49:18,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:49:18,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:49:18,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:49:18,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:49:18,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:49:18,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:49:18,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:49:18,405 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:49:18,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:49:18,407 INFO L168 Benchmark]: Toolchain (without parser) took 38107.47 ms. Allocated memory was 60.8 MB in the beginning and 323.0 MB in the end (delta: 262.1 MB). Free memory was 40.0 MB in the beginning and 212.5 MB in the end (delta: -172.5 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:18,408 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 60.8 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:49:18,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.29 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 35.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:18,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.05 ms. Allocated memory is still 60.8 MB. Free memory was 35.7 MB in the beginning and 31.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:18,409 INFO L168 Benchmark]: Boogie Preprocessor took 55.43 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 28.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:18,410 INFO L168 Benchmark]: RCFGBuilder took 2812.39 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 28.6 MB in the beginning and 62.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:18,410 INFO L168 Benchmark]: TraceAbstraction took 34351.45 ms. Allocated memory was 92.3 MB in the beginning and 323.0 MB in the end (delta: 230.7 MB). Free memory was 61.6 MB in the beginning and 223.0 MB in the end (delta: -161.3 MB). Peak memory consumption was 191.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:18,411 INFO L168 Benchmark]: Witness Printer took 183.17 ms. Allocated memory is still 323.0 MB. Free memory was 223.0 MB in the beginning and 212.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:49:18,413 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 60.8 MB. Free memory is still 41.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.29 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 35.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.05 ms. Allocated memory is still 60.8 MB. Free memory was 35.7 MB in the beginning and 31.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.43 ms. Allocated memory is still 60.8 MB. Free memory was 31.6 MB in the beginning and 28.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2812.39 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 28.6 MB in the beginning and 62.4 MB in the end (delta: -33.8 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34351.45 ms. Allocated memory was 92.3 MB in the beginning and 323.0 MB in the end (delta: 230.7 MB). Free memory was 61.6 MB in the beginning and 223.0 MB in the end (delta: -161.3 MB). Peak memory consumption was 191.2 MB. Max. memory is 16.1 GB. * Witness Printer took 183.17 ms. Allocated memory is still 323.0 MB. Free memory was 223.0 MB in the beginning and 212.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 873]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 873]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 873]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 34248.5ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 33.7ms, AutomataDifference: 5146.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 20949.1ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1387 SDtfs, 2525 SDslu, 3501 SDs, 0 SdLazy, 461 SolverSat, 101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3410.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 619.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=8, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 413.9ms AutomataMinimizationTime, 11 MinimizatonAttempts, 2305 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 503 NumberOfFragments, 697 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3853231 FormulaSimplificationTreeSizeReduction, 6184.7ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 1956150 FormulaSimplificationTreeSizeReductionInter, 14738.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 224.9ms SsaConstructionTime, 1362.1ms SatisfiabilityAnalysisTime, 2367.0ms InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 620 ConstructedInterpolants, 0 QuantifiedInterpolants, 984 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2298 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && !(systemActive == 0bv32))) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && tmp == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:49:18,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_610ff63b-7db0-42e6-9397-c6fa98a8f8de/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...