./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI --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 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 ............................................................................................................................................ 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_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI --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 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:01,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:01,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:01,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:01,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:01,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:01,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:01,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:01,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:01,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:01,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:01,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:01,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:01,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:01,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:01,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:01,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:01,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:01,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:01,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:01,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:01,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:01,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:01,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:01,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:01,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:01,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:01,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:01,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:01,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:01,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:01,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:01,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:01,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:01,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:01,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:01,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:01,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:01,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:01,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:01,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:01,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:21:01,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:01,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:01,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:01,400 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:01,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:01,401 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:01,401 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:21:01,402 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:01,402 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:01,402 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:21:01,403 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:21:01,403 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:01,404 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:21:01,404 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:21:01,404 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:21:01,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:01,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:01,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:21:01,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:01,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:01,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:01,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:01,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:01,407 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:01,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:01,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:01,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:01,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:01,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:01,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:01,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:01,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:01,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:01,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:01,411 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:21:01,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:21:01,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:01,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:01,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:01,412 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_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 [2021-10-11 02:21:01,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:01,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:01,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:01,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:01,853 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:01,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-11 02:21:01,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/1e1ea7165/69a3bc627d544c06ad59ff86077fa37a/FLAGba377f82b [2021-10-11 02:21:02,662 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:02,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-11 02:21:02,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/1e1ea7165/69a3bc627d544c06ad59ff86077fa37a/FLAGba377f82b [2021-10-11 02:21:02,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/1e1ea7165/69a3bc627d544c06ad59ff86077fa37a [2021-10-11 02:21:02,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:02,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:02,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:02,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:02,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:02,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:02" (1/1) ... [2021-10-11 02:21:02,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6e0e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:02, skipping insertion in model container [2021-10-11 02:21:02,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:02" (1/1) ... [2021-10-11 02:21:02,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:03,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:03,379 WARN L226 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_a970b265-8b46-46ab-9ca7-a187ef7375eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-11 02:21:03,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:03,444 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) [2021-10-11 02:21:03,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2efcdf0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:03, skipping insertion in model container [2021-10-11 02:21:03,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:03,446 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:21:03,448 INFO L168 Benchmark]: Toolchain (without parser) took 472.08 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 48.5 MB in the beginning and 99.9 MB in the end (delta: -51.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:03,449 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:03,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.12 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 48.3 MB in the beginning and 99.9 MB in the end (delta: -51.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:03,452 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 86.0 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 466.12 ms. Allocated memory was 86.0 MB in the beginning and 127.9 MB in the end (delta: 41.9 MB). Free memory was 48.3 MB in the beginning and 99.9 MB in the end (delta: -51.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 655]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:21:05,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:21:05,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:21:05,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:21:05,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:21:05,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:21:05,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:21:05,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:21:05,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:21:05,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:21:05,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:21:05,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:21:05,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:21:05,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:21:05,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:21:05,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:21:05,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:21:05,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:21:05,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:21:05,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:21:05,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:21:05,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:21:05,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:21:05,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:21:05,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:21:05,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:21:05,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:21:05,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:21:05,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:21:05,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:21:05,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:21:05,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:21:05,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:21:05,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:21:05,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:21:05,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:21:05,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:21:05,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:21:05,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:21:05,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:21:05,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:21:05,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:21:05,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:21:05,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:21:05,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:21:05,988 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:21:05,988 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:21:05,988 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:21:05,989 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:21:05,989 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:21:05,989 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:21:05,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:21:05,991 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:21:05,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:21:05,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:21:05,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:21:05,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:21:05,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:21:05,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:21:05,994 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:21:05,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:21:05,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:21:05,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:21:05,995 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:21:05,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:21:05,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:21:05,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:21:05,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:21:05,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:05,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:21:05,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:21:05,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:21:05,999 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:21:05,999 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:06,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:21:06,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:21:06,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:21:06,001 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_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 [2021-10-11 02:21:06,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:21:06,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:21:06,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:21:06,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:21:06,548 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:21:06,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-11 02:21:06,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/f936faf72/ce4224f694e74cbd86e82120c464631e/FLAG53a429f94 [2021-10-11 02:21:07,335 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:21:07,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-11 02:21:07,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/f936faf72/ce4224f694e74cbd86e82120c464631e/FLAG53a429f94 [2021-10-11 02:21:07,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/data/f936faf72/ce4224f694e74cbd86e82120c464631e [2021-10-11 02:21:07,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:21:07,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:21:07,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:07,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:21:07,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:21:07,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:07" (1/1) ... [2021-10-11 02:21:07,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1931ac32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:07, skipping insertion in model container [2021-10-11 02:21:07,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:21:07" (1/1) ... [2021-10-11 02:21:07,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:21:07,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:08,084 WARN L226 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_a970b265-8b46-46ab-9ca7-a187ef7375eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-11 02:21:08,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:08,190 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:21:08,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:21:08,255 WARN L226 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_a970b265-8b46-46ab-9ca7-a187ef7375eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-11 02:21:08,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:08,313 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:21:08,385 WARN L226 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_a970b265-8b46-46ab-9ca7-a187ef7375eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[8847,8860] [2021-10-11 02:21:08,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:21:08,489 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:21:08,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08 WrapperNode [2021-10-11 02:21:08,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:21:08,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:08,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:21:08,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:21:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:21:08,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:21:08,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:21:08,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:21:08,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... [2021-10-11 02:21:08,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:21:08,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:21:08,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:21:08,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:21:08,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:21:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:21:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:21:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:21:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:21:11,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:21:11,576 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-11 02:21:11,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:11 BoogieIcfgContainer [2021-10-11 02:21:11,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:21:11,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:21:11,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:21:11,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:21:11,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:21:07" (1/3) ... [2021-10-11 02:21:11,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3b382f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:11, skipping insertion in model container [2021-10-11 02:21:11,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:21:08" (2/3) ... [2021-10-11 02:21:11,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3b382f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:21:11, skipping insertion in model container [2021-10-11 02:21:11,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:11" (3/3) ... [2021-10-11 02:21:11,591 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2021-10-11 02:21:11,607 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:21:11,611 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:21:11,623 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:21:11,651 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:21:11,651 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:21:11,652 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:21:11,652 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:21:11,652 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:21:11,652 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:21:11,652 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:21:11,653 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:21:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-10-11 02:21:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:21:11,677 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:11,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:11,678 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:11,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:11,685 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-10-11 02:21:11,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:11,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239918061] [2021-10-11 02:21:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:11,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:21:11,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:11,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:11,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239918061] [2021-10-11 02:21:11,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:11,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:11,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258162873] [2021-10-11 02:21:11,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:21:11,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:11,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:21:11,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:11,988 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-10-11 02:21:12,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:12,025 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-11 02:21:12,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:21:12,027 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:21:12,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:12,038 INFO L225 Difference]: With dead ends: 268 [2021-10-11 02:21:12,038 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 02:21:12,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:21:12,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 02:21:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-11 02:21:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-10-11 02:21:12,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-11 02:21:12,086 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-11 02:21:12,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:12,086 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-11 02:21:12,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:21:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-11 02:21:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:21:12,088 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:12,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:12,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:21:12,308 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:12,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:12,309 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-10-11 02:21:12,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:12,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1663752940] [2021-10-11 02:21:12,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:12,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:12,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:12,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:12,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:12,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1663752940] [2021-10-11 02:21:12,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:12,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:12,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473907416] [2021-10-11 02:21:12,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:12,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:12,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:12,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:12,569 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-10-11 02:21:12,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:12,596 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-11 02:21:12,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:12,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:21:12,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:12,601 INFO L225 Difference]: With dead ends: 133 [2021-10-11 02:21:12,602 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 02:21:12,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:12,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 02:21:12,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 02:21:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 02:21:12,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 02:21:12,619 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-11 02:21:12,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:12,623 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 02:21:12,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 02:21:12,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:21:12,625 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:12,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:12,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:21:12,843 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:12,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:12,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-10-11 02:21:12,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:12,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480292632] [2021-10-11 02:21:12,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:13,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:13,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:13,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:13,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480292632] [2021-10-11 02:21:13,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:13,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:21:13,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241871841] [2021-10-11 02:21:13,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:13,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:13,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:13,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:13,076 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 02:21:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:13,096 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2021-10-11 02:21:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:13,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:21:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:13,098 INFO L225 Difference]: With dead ends: 153 [2021-10-11 02:21:13,098 INFO L226 Difference]: Without dead ends: 104 [2021-10-11 02:21:13,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:13,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-11 02:21:13,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-10-11 02:21:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 02:21:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2021-10-11 02:21:13,112 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2021-10-11 02:21:13,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:13,113 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2021-10-11 02:21:13,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2021-10-11 02:21:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:21:13,114 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:13,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:13,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:21:13,334 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:13,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:13,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-10-11 02:21:13,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:13,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149355527] [2021-10-11 02:21:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:13,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:13,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:13,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:13,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149355527] [2021-10-11 02:21:13,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:13,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:13,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558040888] [2021-10-11 02:21:13,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:13,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:13,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:13,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:13,566 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2021-10-11 02:21:13,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:13,637 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2021-10-11 02:21:13,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:13,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:21:13,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:13,639 INFO L225 Difference]: With dead ends: 235 [2021-10-11 02:21:13,639 INFO L226 Difference]: Without dead ends: 141 [2021-10-11 02:21:13,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-11 02:21:13,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-10-11 02:21:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 02:21:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2021-10-11 02:21:13,653 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2021-10-11 02:21:13,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:13,654 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2021-10-11 02:21:13,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2021-10-11 02:21:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:21:13,655 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:13,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:13,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:21:13,869 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:13,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:13,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-10-11 02:21:13,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:13,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583084301] [2021-10-11 02:21:13,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:14,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:14,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:14,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:14,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583084301] [2021-10-11 02:21:14,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:14,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:14,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159994818] [2021-10-11 02:21:14,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:14,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:14,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:14,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:14,137 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2021-10-11 02:21:14,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:14,301 INFO L93 Difference]: Finished difference Result 499 states and 727 transitions. [2021-10-11 02:21:14,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:21:14,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 02:21:14,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:14,306 INFO L225 Difference]: With dead ends: 499 [2021-10-11 02:21:14,307 INFO L226 Difference]: Without dead ends: 366 [2021-10-11 02:21:14,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:21:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-11 02:21:14,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 228. [2021-10-11 02:21:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 02:21:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 320 transitions. [2021-10-11 02:21:14,366 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 320 transitions. Word has length 25 [2021-10-11 02:21:14,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:14,367 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 320 transitions. [2021-10-11 02:21:14,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 320 transitions. [2021-10-11 02:21:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:21:14,368 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:14,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:21:14,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:21:14,585 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:14,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:14,585 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2021-10-11 02:21:14,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:14,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704137837] [2021-10-11 02:21:14,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:14,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:21:14,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:21:14,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:14,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704137837] [2021-10-11 02:21:14,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:14,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:14,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234747414] [2021-10-11 02:21:14,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:21:14,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:14,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:21:14,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:21:14,865 INFO L87 Difference]: Start difference. First operand 228 states and 320 transitions. Second operand 6 states. [2021-10-11 02:21:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:16,299 INFO L93 Difference]: Finished difference Result 702 states and 1015 transitions. [2021-10-11 02:21:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:21:16,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-10-11 02:21:16,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:16,304 INFO L225 Difference]: With dead ends: 702 [2021-10-11 02:21:16,304 INFO L226 Difference]: Without dead ends: 569 [2021-10-11 02:21:16,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:21:16,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-10-11 02:21:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 442. [2021-10-11 02:21:16,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2021-10-11 02:21:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 617 transitions. [2021-10-11 02:21:16,347 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 617 transitions. Word has length 26 [2021-10-11 02:21:16,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:16,348 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 617 transitions. [2021-10-11 02:21:16,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:21:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 617 transitions. [2021-10-11 02:21:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 02:21:16,351 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:16,351 INFO L422 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] [2021-10-11 02:21:16,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:21:16,568 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:16,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:16,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1684589312, now seen corresponding path program 1 times [2021-10-11 02:21:16,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:16,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848143924] [2021-10-11 02:21:16,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:16,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:21:16,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:21:16,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:16,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848143924] [2021-10-11 02:21:16,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:16,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:21:16,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633461228] [2021-10-11 02:21:16,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:21:16,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:16,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:21:16,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:16,850 INFO L87 Difference]: Start difference. First operand 442 states and 617 transitions. Second operand 3 states. [2021-10-11 02:21:18,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:18,288 INFO L93 Difference]: Finished difference Result 533 states and 739 transitions. [2021-10-11 02:21:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:21:18,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2021-10-11 02:21:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:18,291 INFO L225 Difference]: With dead ends: 533 [2021-10-11 02:21:18,291 INFO L226 Difference]: Without dead ends: 266 [2021-10-11 02:21:18,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:21:18,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-10-11 02:21:18,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 260. [2021-10-11 02:21:18,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2021-10-11 02:21:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 354 transitions. [2021-10-11 02:21:18,316 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 354 transitions. Word has length 50 [2021-10-11 02:21:18,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:18,316 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 354 transitions. [2021-10-11 02:21:18,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:21:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 354 transitions. [2021-10-11 02:21:18,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:21:18,318 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:18,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-10-11 02:21:18,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:21:18,531 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:18,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1325327795, now seen corresponding path program 1 times [2021-10-11 02:21:18,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:18,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830147770] [2021-10-11 02:21:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:18,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:18,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:21:18,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:18,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830147770] [2021-10-11 02:21:18,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:18,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:18,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575886764] [2021-10-11 02:21:18,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:18,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:18,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:18,821 INFO L87 Difference]: Start difference. First operand 260 states and 354 transitions. Second operand 5 states. [2021-10-11 02:21:18,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:18,940 INFO L93 Difference]: Finished difference Result 760 states and 1026 transitions. [2021-10-11 02:21:18,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:21:18,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-10-11 02:21:18,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:18,944 INFO L225 Difference]: With dead ends: 760 [2021-10-11 02:21:18,944 INFO L226 Difference]: Without dead ends: 506 [2021-10-11 02:21:18,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:21:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2021-10-11 02:21:18,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 278. [2021-10-11 02:21:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2021-10-11 02:21:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 372 transitions. [2021-10-11 02:21:18,980 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 372 transitions. Word has length 53 [2021-10-11 02:21:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:18,980 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 372 transitions. [2021-10-11 02:21:18,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 372 transitions. [2021-10-11 02:21:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 02:21:18,981 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:18,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-10-11 02:21:19,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:21:19,195 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:19,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:19,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1397714353, now seen corresponding path program 1 times [2021-10-11 02:21:19,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:19,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1396450814] [2021-10-11 02:21:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:19,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:21:19,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:19,505 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:21:19,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:19,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1396450814] [2021-10-11 02:21:19,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:19,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:21:19,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400999438] [2021-10-11 02:21:19,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:21:19,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:19,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:21:19,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:21:19,508 INFO L87 Difference]: Start difference. First operand 278 states and 372 transitions. Second operand 4 states. [2021-10-11 02:21:19,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:19,611 INFO L93 Difference]: Finished difference Result 633 states and 847 transitions. [2021-10-11 02:21:19,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:21:19,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-10-11 02:21:19,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:19,615 INFO L225 Difference]: With dead ends: 633 [2021-10-11 02:21:19,615 INFO L226 Difference]: Without dead ends: 361 [2021-10-11 02:21:19,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:19,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-10-11 02:21:19,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 250. [2021-10-11 02:21:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-10-11 02:21:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 330 transitions. [2021-10-11 02:21:19,657 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 330 transitions. Word has length 53 [2021-10-11 02:21:19,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:19,658 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 330 transitions. [2021-10-11 02:21:19,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:21:19,658 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 330 transitions. [2021-10-11 02:21:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:21:19,659 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:19,659 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2021-10-11 02:21:19,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:21:19,877 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:19,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:19,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1963013101, now seen corresponding path program 1 times [2021-10-11 02:21:19,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:19,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878279407] [2021-10-11 02:21:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:20,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:20,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:20,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:20,215 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:21:20,215 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:21:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:20,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [878279407] [2021-10-11 02:21:20,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [578539238] [2021-10-11 02:21:20,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:20,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:20,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:21:20,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:20,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:21:20,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:21:20,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095692340] [2021-10-11 02:21:20,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:20,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:20,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:20,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:21:20,611 INFO L87 Difference]: Start difference. First operand 250 states and 330 transitions. Second operand 5 states. [2021-10-11 02:21:20,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:20,765 INFO L93 Difference]: Finished difference Result 916 states and 1238 transitions. [2021-10-11 02:21:20,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:21:20,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:21:20,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:20,772 INFO L225 Difference]: With dead ends: 916 [2021-10-11 02:21:20,772 INFO L226 Difference]: Without dead ends: 695 [2021-10-11 02:21:20,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:21:20,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2021-10-11 02:21:20,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 256. [2021-10-11 02:21:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2021-10-11 02:21:20,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 336 transitions. [2021-10-11 02:21:20,823 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 336 transitions. Word has length 54 [2021-10-11 02:21:20,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:20,824 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 336 transitions. [2021-10-11 02:21:20,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 336 transitions. [2021-10-11 02:21:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 02:21:20,825 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:20,825 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2021-10-11 02:21:21,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:21,246 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:21,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:21,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1938927185, now seen corresponding path program 1 times [2021-10-11 02:21:21,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:21,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651909024] [2021-10-11 02:21:21,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:21,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:21,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:21,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:21,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651909024] [2021-10-11 02:21:21,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1026756316] [2021-10-11 02:21:21,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:21,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:21,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:21:21,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:21,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:21:21,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:21:21,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154443225] [2021-10-11 02:21:21,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:21,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:21,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:21,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:21:21,981 INFO L87 Difference]: Start difference. First operand 256 states and 336 transitions. Second operand 5 states. [2021-10-11 02:21:22,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:22,279 INFO L93 Difference]: Finished difference Result 712 states and 932 transitions. [2021-10-11 02:21:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:21:22,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 02:21:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:22,284 INFO L225 Difference]: With dead ends: 712 [2021-10-11 02:21:22,285 INFO L226 Difference]: Without dead ends: 591 [2021-10-11 02:21:22,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:21:22,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2021-10-11 02:21:22,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 215. [2021-10-11 02:21:22,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2021-10-11 02:21:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 273 transitions. [2021-10-11 02:21:22,331 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 273 transitions. Word has length 54 [2021-10-11 02:21:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:22,331 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 273 transitions. [2021-10-11 02:21:22,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 273 transitions. [2021-10-11 02:21:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 02:21:22,332 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:22,332 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2021-10-11 02:21:22,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 cvc4 --incremental --print-success --lang smt,13 mathsat -unsat_core_generation=3 [2021-10-11 02:21:22,750 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:22,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:22,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2021-10-11 02:21:22,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:22,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552284112] [2021-10-11 02:21:22,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:22,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:22,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:23,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:23,049 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:21:23,049 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:21:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:23,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552284112] [2021-10-11 02:21:23,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [293721637] [2021-10-11 02:21:23,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:21:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:23,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:21:23,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:23,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:23,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682393239] [2021-10-11 02:21:23,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:21:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:23,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:21:23,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:23,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:21:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:21:23,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:21:23,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-11 02:21:23,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791215096] [2021-10-11 02:21:23,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-10-11 02:21:23,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:23,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-11 02:21:23,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:21:23,823 INFO L87 Difference]: Start difference. First operand 215 states and 273 transitions. Second operand 12 states. [2021-10-11 02:21:29,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:29,327 INFO L93 Difference]: Finished difference Result 1910 states and 2488 transitions. [2021-10-11 02:21:29,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-11 02:21:29,328 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2021-10-11 02:21:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:29,338 INFO L225 Difference]: With dead ends: 1910 [2021-10-11 02:21:29,338 INFO L226 Difference]: Without dead ends: 1724 [2021-10-11 02:21:29,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2015 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-11 02:21:29,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2021-10-11 02:21:29,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 289. [2021-10-11 02:21:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2021-10-11 02:21:29,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 376 transitions. [2021-10-11 02:21:29,395 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 376 transitions. Word has length 55 [2021-10-11 02:21:29,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:29,397 INFO L481 AbstractCegarLoop]: Abstraction has 289 states and 376 transitions. [2021-10-11 02:21:29,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-10-11 02:21:29,397 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 376 transitions. [2021-10-11 02:21:29,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 02:21:29,398 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:21:29,398 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2021-10-11 02:21:30,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:21:30,005 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:21:30,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:21:30,006 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2021-10-11 02:21:30,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:21:30,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023751963] [2021-10-11 02:21:30,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2021-10-11 02:21:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:21:30,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:21:30,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:21:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:21:30,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:21:30,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023751963] [2021-10-11 02:21:30,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:21:30,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:21:30,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329739745] [2021-10-11 02:21:30,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:21:30,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:21:30,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:21:30,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:21:30,308 INFO L87 Difference]: Start difference. First operand 289 states and 376 transitions. Second operand 5 states. [2021-10-11 02:21:30,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:21:30,393 INFO L93 Difference]: Finished difference Result 462 states and 591 transitions. [2021-10-11 02:21:30,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:21:30,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-10-11 02:21:30,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:21:30,394 INFO L225 Difference]: With dead ends: 462 [2021-10-11 02:21:30,394 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:21:30,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:21:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:21:30,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:21:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:21:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:21:30,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-11 02:21:30,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:21:30,396 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:21:30,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:21:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:21:30,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:21:30,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2021-10-11 02:21:30,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:21:30,970 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 94 [2021-10-11 02:21:31,296 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 151 [2021-10-11 02:21:31,440 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-10-11 02:21:31,829 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 149 [2021-10-11 02:21:31,937 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 73 [2021-10-11 02:21:32,248 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 149 [2021-10-11 02:21:32,505 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 147 [2021-10-11 02:21:32,941 WARN L197 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 152 [2021-10-11 02:21:33,538 WARN L197 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 27 [2021-10-11 02:21:35,116 WARN L197 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 149 DAG size of output: 32 [2021-10-11 02:21:35,728 WARN L197 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2021-10-11 02:21:36,063 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 23 [2021-10-11 02:21:37,420 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 147 DAG size of output: 32 [2021-10-11 02:21:37,723 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 26 [2021-10-11 02:21:37,895 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 16 [2021-10-11 02:21:39,106 WARN L197 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 32 [2021-10-11 02:21:39,276 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 16 [2021-10-11 02:21:40,354 WARN L197 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2021-10-11 02:21:41,489 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 149 DAG size of output: 30 [2021-10-11 02:21:41,492 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-11 02:21:41,492 INFO L258 CegarLoopResult]: At program point L399(lines 384 402) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:41,493 INFO L258 CegarLoopResult]: At program point L399-1(lines 384 402) the Hoare annotation is: false [2021-10-11 02:21:41,493 INFO L258 CegarLoopResult]: At program point L399-2(lines 384 402) the Hoare annotation is: false [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L598(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L598-2(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L598-3(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L598-4(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L598-5(lines 598 604) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-10-11 02:21:41,493 INFO L262 CegarLoopResult]: For program point L434-1(lines 196 202) no Hoare annotation was computed. [2021-10-11 02:21:41,494 INFO L258 CegarLoopResult]: At program point L203(lines 203 209) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3) (and .cse0 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse3) (and .cse0 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:41,494 INFO L258 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2021-10-11 02:21:41,495 INFO L258 CegarLoopResult]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2021-10-11 02:21:41,495 INFO L262 CegarLoopResult]: For program point L501(lines 501 508) no Hoare annotation was computed. [2021-10-11 02:21:41,495 INFO L265 CegarLoopResult]: At program point L501-1(lines 501 508) the Hoare annotation is: true [2021-10-11 02:21:41,496 INFO L258 CegarLoopResult]: At program point L172(lines 123 173) the Hoare annotation is: false [2021-10-11 02:21:41,498 INFO L258 CegarLoopResult]: At program point L603(lines 594 607) the Hoare annotation is: false [2021-10-11 02:21:41,498 INFO L258 CegarLoopResult]: At program point L603-1(lines 594 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2))) [2021-10-11 02:21:41,498 INFO L258 CegarLoopResult]: At program point L603-2(lines 594 607) the Hoare annotation is: false [2021-10-11 02:21:41,498 INFO L258 CegarLoopResult]: At program point L603-3(lines 594 607) the Hoare annotation is: false [2021-10-11 02:21:41,498 INFO L258 CegarLoopResult]: At program point L603-4(lines 594 607) the Hoare annotation is: false [2021-10-11 02:21:41,499 INFO L258 CegarLoopResult]: At program point L603-5(lines 594 607) the Hoare annotation is: false [2021-10-11 02:21:41,499 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:41,500 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-11 02:21:41,500 INFO L262 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-10-11 02:21:41,500 INFO L258 CegarLoopResult]: At program point L407-1(lines 407 413) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-11 02:21:41,501 INFO L262 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,501 INFO L262 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,501 INFO L262 CegarLoopResult]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,501 INFO L262 CegarLoopResult]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,501 INFO L262 CegarLoopResult]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,501 INFO L262 CegarLoopResult]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,501 INFO L262 CegarLoopResult]: For program point L374-9(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,502 INFO L262 CegarLoopResult]: For program point L374-11(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,502 INFO L262 CegarLoopResult]: For program point L374-12(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,502 INFO L262 CegarLoopResult]: For program point L374-14(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,502 INFO L262 CegarLoopResult]: For program point L374-15(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,502 INFO L262 CegarLoopResult]: For program point L374-17(lines 374 378) no Hoare annotation was computed. [2021-10-11 02:21:41,502 INFO L262 CegarLoopResult]: For program point L144(lines 144 150) no Hoare annotation was computed. [2021-10-11 02:21:41,502 INFO L258 CegarLoopResult]: At program point L144-1(lines 144 150) the Hoare annotation is: (let ((.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse1) (and .cse0 .cse2 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse1) (and .cse0 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:41,503 INFO L265 CegarLoopResult]: At program point L510(lines 491 513) the Hoare annotation is: true [2021-10-11 02:21:41,503 INFO L258 CegarLoopResult]: At program point L478(lines 474 480) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:41,503 INFO L262 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2021-10-11 02:21:41,503 INFO L258 CegarLoopResult]: At program point L380(lines 365 383) the Hoare annotation is: false [2021-10-11 02:21:41,503 INFO L258 CegarLoopResult]: At program point L380-1(lines 365 383) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2))) [2021-10-11 02:21:41,503 INFO L258 CegarLoopResult]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2021-10-11 02:21:41,503 INFO L258 CegarLoopResult]: At program point L380-3(lines 365 383) the Hoare annotation is: false [2021-10-11 02:21:41,503 INFO L258 CegarLoopResult]: At program point L380-4(lines 365 383) the Hoare annotation is: false [2021-10-11 02:21:41,503 INFO L258 CegarLoopResult]: At program point L380-5(lines 365 383) the Hoare annotation is: false [2021-10-11 02:21:41,504 INFO L258 CegarLoopResult]: At program point L613(lines 608 616) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:41,504 INFO L258 CegarLoopResult]: At program point L613-1(lines 608 616) the Hoare annotation is: false [2021-10-11 02:21:41,504 INFO L258 CegarLoopResult]: At program point L613-2(lines 608 616) the Hoare annotation is: false [2021-10-11 02:21:41,504 INFO L258 CegarLoopResult]: At program point L316(lines 309 319) the Hoare annotation is: false [2021-10-11 02:21:41,505 INFO L258 CegarLoopResult]: At program point L316-1(lines 309 319) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:21:41,505 INFO L258 CegarLoopResult]: At program point L316-2(lines 309 319) the Hoare annotation is: false [2021-10-11 02:21:41,505 INFO L258 CegarLoopResult]: At program point L316-3(lines 309 319) the Hoare annotation is: false [2021-10-11 02:21:41,506 INFO L258 CegarLoopResult]: At program point L316-4(lines 309 319) the Hoare annotation is: false [2021-10-11 02:21:41,506 INFO L258 CegarLoopResult]: At program point L316-5(lines 309 319) the Hoare annotation is: false [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L154(lines 154 167) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L91(lines 91 104) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L258 CegarLoopResult]: At program point L91-1(lines 1 991) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L258 CegarLoopResult]: At program point L91-3(lines 1 991) the Hoare annotation is: false [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2021-10-11 02:21:41,506 INFO L258 CegarLoopResult]: At program point L91-5(lines 1 991) the Hoare annotation is: false [2021-10-11 02:21:41,506 INFO L262 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L521-3(lines 521 525) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L521-6(lines 521 525) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L125(lines 124 171) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L291-2(lines 291 297) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L291-4(lines 291 297) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L291-6(lines 291 297) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L291-8(lines 291 297) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L291-10(lines 291 297) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L262 CegarLoopResult]: For program point L622-2(line 622) no Hoare annotation was computed. [2021-10-11 02:21:41,507 INFO L258 CegarLoopResult]: At program point L325(lines 320 328) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv0 32))) [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2021-10-11 02:21:41,508 INFO L262 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L160-1(lines 196 202) the Hoare annotation is: (let ((.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse1) (and .cse0 .cse2 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse1) (and .cse0 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:41,508 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L590(lines 585 593) the Hoare annotation is: (let ((.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L590-1(lines 585 593) the Hoare annotation is: false [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2021-10-11 02:21:41,508 INFO L262 CegarLoopResult]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-10-11 02:21:41,508 INFO L262 CegarLoopResult]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2021-10-11 02:21:41,508 INFO L262 CegarLoopResult]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L558(lines 553 561) the Hoare annotation is: false [2021-10-11 02:21:41,508 INFO L258 CegarLoopResult]: At program point L558-1(lines 553 561) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:21:41,509 INFO L258 CegarLoopResult]: At program point L558-2(lines 553 561) the Hoare annotation is: false [2021-10-11 02:21:41,509 INFO L258 CegarLoopResult]: At program point L558-3(lines 553 561) the Hoare annotation is: false [2021-10-11 02:21:41,509 INFO L258 CegarLoopResult]: At program point L558-4(lines 553 561) the Hoare annotation is: false [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L258 CegarLoopResult]: At program point L558-5(lines 553 561) the Hoare annotation is: false [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L393-2(lines 393 397) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L393-3(lines 393 397) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L228(lines 228 245) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L393-5(lines 393 397) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L228-1(lines 228 245) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L393-6(lines 393 397) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L228-2(lines 228 245) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L228-3(lines 228 245) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L393-8(lines 393 397) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L228-4(lines 228 245) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L262 CegarLoopResult]: For program point L228-5(lines 228 245) no Hoare annotation was computed. [2021-10-11 02:21:41,509 INFO L258 CegarLoopResult]: At program point L196(lines 195 214) the Hoare annotation is: (let ((.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse1 .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse2) (and .cse0 .cse1 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L258 CegarLoopResult]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2021-10-11 02:21:41,510 INFO L258 CegarLoopResult]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L258 CegarLoopResult]: At program point L430-2(lines 430 444) the Hoare annotation is: false [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L232-1(lines 232 240) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L232-3(lines 232 240) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L232-4(lines 232 240) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L258 CegarLoopResult]: At program point L67(lines 1 991) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L232-5(lines 232 240) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-11 02:21:41,510 INFO L262 CegarLoopResult]: For program point L134(lines 134 140) no Hoare annotation was computed. [2021-10-11 02:21:41,511 INFO L258 CegarLoopResult]: At program point L134-1(lines 134 140) the Hoare annotation is: (let ((.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) .cse1) (and .cse0 .cse2 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse1) (and .cse0 .cse2 (= ~systemActive~0 (_ bv0 32))))) [2021-10-11 02:21:41,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:21:41 BoogieIcfgContainer [2021-10-11 02:21:41,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:21:41,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:21:41,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:21:41,569 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:21:41,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:21:11" (3/4) ... [2021-10-11 02:21:41,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:21:41,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:21:41,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:21:41,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:21:41,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:21:41,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:21:41,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:41,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:21:41,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:41,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:41,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:41,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:41,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:41,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:41,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2021-10-11 02:21:41,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:21:41,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:21:41,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 [2021-10-11 02:21:41,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:21:41,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:21:41,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a970b265-8b46-46ab-9ca7-a187ef7375eb/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:21:41,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:21:41,709 INFO L168 Benchmark]: Toolchain (without parser) took 34101.63 ms. Allocated memory was 67.1 MB in the beginning and 182.5 MB in the end (delta: 115.3 MB). Free memory was 48.5 MB in the beginning and 115.4 MB in the end (delta: -66.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:41,709 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 49.0 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:21:41,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 881.14 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 32.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:41,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.51 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 31.9 MB in the beginning and 64.9 MB in the end (delta: -33.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:41,710 INFO L168 Benchmark]: Boogie Preprocessor took 114.54 ms. Allocated memory is still 83.9 MB. Free memory was 64.9 MB in the beginning and 62.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:41,711 INFO L168 Benchmark]: RCFGBuilder took 2819.51 ms. Allocated memory is still 83.9 MB. Free memory was 62.0 MB in the beginning and 45.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:41,711 INFO L168 Benchmark]: TraceAbstraction took 29985.53 ms. Allocated memory was 83.9 MB in the beginning and 182.5 MB in the end (delta: 98.6 MB). Free memory was 44.8 MB in the beginning and 127.0 MB in the end (delta: -82.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:41,712 INFO L168 Benchmark]: Witness Printer took 138.89 ms. Allocated memory is still 182.5 MB. Free memory was 127.0 MB in the beginning and 115.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:21:41,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 49.0 MB in the end (delta: 55.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 881.14 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 32.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 153.51 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 31.9 MB in the beginning and 64.9 MB in the end (delta: -33.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.54 ms. Allocated memory is still 83.9 MB. Free memory was 64.9 MB in the beginning and 62.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2819.51 ms. Allocated memory is still 83.9 MB. Free memory was 62.0 MB in the beginning and 45.3 MB in the end (delta: 16.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29985.53 ms. Allocated memory was 83.9 MB in the beginning and 182.5 MB in the end (delta: 98.6 MB). Free memory was 44.8 MB in the beginning and 127.0 MB in the end (delta: -82.2 MB). Peak memory consumption was 93.1 MB. Max. memory is 16.1 GB. * Witness Printer took 138.89 ms. Allocated memory is still 182.5 MB. Free memory was 127.0 MB in the beginning and 115.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 2bv32 == \result) && ~bvadd64(tmp, 4294967294bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && waterLevel == 2bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((splverifierCounter == 0bv32 && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1688 SDtfs, 3623 SDslu, 3879 SDs, 0 SdLazy, 747 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1084 GetRequests, 955 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2049 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=442occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2866 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 201 NumberOfFragments, 719 HoareAnnotationTreeSize, 56 FomulaSimplifications, 440947 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 375653 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 994 ConstructedInterpolants, 0 QuantifiedInterpolants, 160082 SizeOfPredicates, 38 NumberOfNonLiveVariables, 3875 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 22 InterpolantComputations, 12 PerfectInterpolantSequences, 180/258 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...