./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8 --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 4003051e8c7e84d7a7481775cdc05def8cb96ed2 ............................................................................................................................................ 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_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8 --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 4003051e8c7e84d7a7481775cdc05def8cb96ed2 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:13:47,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:13:47,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:13:47,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:13:47,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:13:47,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:13:47,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:13:47,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:13:47,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:13:47,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:13:47,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:13:47,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:13:47,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:13:47,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:13:47,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:13:47,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:13:47,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:13:47,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:13:47,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:13:47,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:13:47,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:13:47,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:13:47,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:13:47,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:13:47,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:13:47,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:13:47,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:13:47,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:13:47,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:13:47,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:13:47,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:13:47,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:13:47,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:13:47,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:13:47,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:13:47,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:13:47,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:13:47,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:13:47,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:13:47,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:13:47,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:13:47,324 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:13:47,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:13:47,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:13:47,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:13:47,384 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:13:47,385 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:13:47,385 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:13:47,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:13:47,385 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:13:47,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:13:47,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:13:47,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:13:47,386 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:13:47,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:13:47,387 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:13:47,387 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:13:47,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:13:47,388 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:13:47,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:13:47,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:13:47,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:13:47,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:13:47,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:13:47,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:13:47,389 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:13:47,390 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:13:47,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:13:47,390 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:13:47,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:13:47,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:13:47,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:13:47,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:13:47,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:13:47,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:13:47,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:13:47,392 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:13:47,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:13:47,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:13:47,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:13:47,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:13:47,393 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_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2021-10-13 07:13:47,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:13:47,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:13:47,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:13:47,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:13:47,730 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:13:47,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-13 07:13:47,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/41f8cbac6/ff8ea3fd329b49988d33f44d611602f0/FLAGfe87b2996 [2021-10-13 07:13:48,360 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:13:48,361 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-13 07:13:48,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/41f8cbac6/ff8ea3fd329b49988d33f44d611602f0/FLAGfe87b2996 [2021-10-13 07:13:48,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/41f8cbac6/ff8ea3fd329b49988d33f44d611602f0 [2021-10-13 07:13:48,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:13:48,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:13:48,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:48,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:13:48,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:13:48,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:48" (1/1) ... [2021-10-13 07:13:48,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bb9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:48, skipping insertion in model container [2021-10-13 07:13:48,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:48" (1/1) ... [2021-10-13 07:13:48,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:13:48,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:13:48,888 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-13 07:13:49,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:13:49,090 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) [2021-10-13 07:13:49,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b948053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:49, skipping insertion in model container [2021-10-13 07:13:49,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:49,091 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:13:49,094 INFO L168 Benchmark]: Toolchain (without parser) took 454.50 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 49.0 MB in the beginning and 79.0 MB in the end (delta: -30.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:49,095 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:13:49,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.47 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.8 MB in the beginning and 79.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:13:49,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.47 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.8 MB in the beginning and 79.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 474]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:13:51,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:13:51,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:13:51,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:13:51,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:13:51,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:13:51,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:13:51,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:13:51,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:13:51,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:13:51,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:13:51,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:13:51,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:13:51,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:13:51,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:13:51,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:13:51,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:13:51,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:13:51,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:13:51,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:13:51,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:13:51,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:13:51,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:13:51,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:13:51,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:13:51,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:13:51,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:13:51,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:13:51,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:13:51,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:13:51,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:13:51,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:13:51,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:13:51,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:13:51,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:13:51,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:13:51,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:13:51,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:13:51,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:13:51,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:13:51,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:13:51,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:13:51,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:13:51,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:13:51,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:13:51,502 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:13:51,502 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:13:51,502 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:13:51,503 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:13:51,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:13:51,503 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:13:51,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:13:51,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:13:51,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:13:51,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:13:51,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:13:51,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:13:51,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:13:51,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:13:51,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:13:51,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:13:51,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:13:51,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:13:51,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:13:51,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:13:51,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:13:51,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:13:51,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:13:51,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:13:51,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:13:51,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:13:51,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:13:51,512 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:13:51,512 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:13:51,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:13:51,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:13:51,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:13:51,513 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_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2021-10-13 07:13:51,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:13:51,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:13:51,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:13:51,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:13:51,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:13:51,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-13 07:13:52,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/235734bfe/4ee604569baa441782801fa193479532/FLAG9a2c2590f [2021-10-13 07:13:52,647 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:13:52,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-13 07:13:52,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/235734bfe/4ee604569baa441782801fa193479532/FLAG9a2c2590f [2021-10-13 07:13:52,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/data/235734bfe/4ee604569baa441782801fa193479532 [2021-10-13 07:13:52,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:13:52,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:13:52,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:52,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:13:52,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:13:52,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:52" (1/1) ... [2021-10-13 07:13:52,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59dad24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:52, skipping insertion in model container [2021-10-13 07:13:52,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:13:52" (1/1) ... [2021-10-13 07:13:52,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:13:53,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:13:53,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-13 07:13:53,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:13:53,353 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:13:53,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:13:53,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-13 07:13:53,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:13:53,508 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:13:53,527 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-13 07:13:53,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:13:53,620 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:13:53,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53 WrapperNode [2021-10-13 07:13:53,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:13:53,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:13:53,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:13:53,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:13:53,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:13:53,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:13:53,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:13:53,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:13:53,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:13:53,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:13:53,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:13:53,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:13:53,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (1/1) ... [2021-10-13 07:13:53,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:13:53,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:13:53,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:13:53,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:13:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:13:53,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:13:53,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:13:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:13:56,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:13:56,261 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-10-13 07:13:56,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:13:56 BoogieIcfgContainer [2021-10-13 07:13:56,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:13:56,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:13:56,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:13:56,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:13:56,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:13:52" (1/3) ... [2021-10-13 07:13:56,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e2af75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:13:56, skipping insertion in model container [2021-10-13 07:13:56,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:13:53" (2/3) ... [2021-10-13 07:13:56,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e2af75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:13:56, skipping insertion in model container [2021-10-13 07:13:56,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:13:56" (3/3) ... [2021-10-13 07:13:56,272 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-10-13 07:13:56,278 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:13:56,278 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:13:56,343 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:13:56,351 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:13:56,351 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:13:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:13:56,396 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:13:56,397 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:13:56,398 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:13:56,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:13:56,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2021-10-13 07:13:56,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:13:56,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237100124] [2021-10-13 07:13:56,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:13:56,430 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:13:56,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:13:56,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:13:56,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:13:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:13:56,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:13:56,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:13:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:56,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:13:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:56,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:13:56,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237100124] [2021-10-13 07:13:56,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237100124] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:13:56,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:13:56,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:13:56,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099897612] [2021-10-13 07:13:56,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:13:56,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:13:56,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:13:56,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:13:56,864 INFO L87 Difference]: Start difference. First operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:56,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:13:56,901 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-13 07:13:56,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:13:56,902 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:13:56,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:13:56,913 INFO L225 Difference]: With dead ends: 245 [2021-10-13 07:13:56,914 INFO L226 Difference]: Without dead ends: 122 [2021-10-13 07:13:56,917 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:13:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-13 07:13:56,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-13 07:13:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 121 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-13 07:13:56,961 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-13 07:13:56,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:13:56,961 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-13 07:13:56,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:56,962 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-13 07:13:56,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:13:56,963 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:13:56,963 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:13:56,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:13:57,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:13:57,177 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:13:57,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:13:57,178 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2021-10-13 07:13:57,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:13:57,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842049433] [2021-10-13 07:13:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:13:57,180 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:13:57,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:13:57,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:13:57,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:13:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:13:57,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:13:57,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:13:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:57,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:13:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:57,548 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:13:57,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842049433] [2021-10-13 07:13:57,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842049433] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:13:57,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:13:57,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:13:57,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798605086] [2021-10-13 07:13:57,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:13:57,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:13:57,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:13:57,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:13:57,558 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:13:57,598 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-13 07:13:57,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:13:57,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-13 07:13:57,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:13:57,600 INFO L225 Difference]: With dead ends: 122 [2021-10-13 07:13:57,601 INFO L226 Difference]: Without dead ends: 51 [2021-10-13 07:13:57,605 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:13:57,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-13 07:13:57,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-13 07:13:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-13 07:13:57,612 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-13 07:13:57,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:13:57,613 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-13 07:13:57,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-13 07:13:57,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:13:57,615 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:13:57,615 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:13:57,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-13 07:13:57,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:13:57,831 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:13:57,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:13:57,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2021-10-13 07:13:57,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:13:57,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735909735] [2021-10-13 07:13:57,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:13:57,833 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:13:57,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:13:57,834 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:13:57,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:13:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:13:58,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:13:58,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:13:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:58,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:13:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:58,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:13:58,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735909735] [2021-10-13 07:13:58,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735909735] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:13:58,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:13:58,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:13:58,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473406818] [2021-10-13 07:13:58,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:13:58,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:13:58,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:13:58,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:13:58,245 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:58,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:13:58,284 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-13 07:13:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:13:58,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:13:58,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:13:58,285 INFO L225 Difference]: With dead ends: 95 [2021-10-13 07:13:58,286 INFO L226 Difference]: Without dead ends: 51 [2021-10-13 07:13:58,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:13:58,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-13 07:13:58,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-13 07:13:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-13 07:13:58,294 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-13 07:13:58,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:13:58,294 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-13 07:13:58,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-13 07:13:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 07:13:58,296 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:13:58,296 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:13:58,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:13:58,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:13:58,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:13:58,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:13:58,510 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2021-10-13 07:13:58,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:13:58,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760414287] [2021-10-13 07:13:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:13:58,511 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:13:58,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:13:58,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:13:58,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:13:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:13:58,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:13:58,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:13:58,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:58,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:13:58,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:58,869 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:13:58,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760414287] [2021-10-13 07:13:58,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760414287] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:13:58,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:13:58,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:13:58,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284287395] [2021-10-13 07:13:58,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:13:58,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:13:58,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:13:58,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:13:58,872 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:13:58,932 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-13 07:13:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:13:58,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 07:13:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:13:58,935 INFO L225 Difference]: With dead ends: 119 [2021-10-13 07:13:58,936 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 07:13:58,939 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:13:58,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 07:13:58,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-13 07:13:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-13 07:13:58,968 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-13 07:13:58,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:13:58,969 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-13 07:13:58,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-13 07:13:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:13:58,973 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:13:58,974 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:13:58,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:13:59,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:13:59,187 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:13:59,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:13:59,188 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2021-10-13 07:13:59,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:13:59,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699047309] [2021-10-13 07:13:59,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:13:59,189 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:13:59,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:13:59,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:13:59,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:13:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:13:59,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:13:59,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:13:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:59,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:13:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:13:59,629 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:13:59,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699047309] [2021-10-13 07:13:59,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699047309] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:13:59,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:13:59,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:13:59,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998627923] [2021-10-13 07:13:59,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:13:59,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:13:59,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:13:59,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:13:59,637 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:59,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:13:59,727 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2021-10-13 07:13:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:13:59,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:13:59,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:13:59,730 INFO L225 Difference]: With dead ends: 263 [2021-10-13 07:13:59,730 INFO L226 Difference]: Without dead ends: 197 [2021-10-13 07:13:59,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 36.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:13:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-13 07:13:59,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2021-10-13 07:13:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-13 07:13:59,762 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-13 07:13:59,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:13:59,763 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-13 07:13:59,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:13:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-13 07:13:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:13:59,769 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:13:59,769 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:13:59,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:13:59,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:13:59,987 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:13:59,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:13:59,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2021-10-13 07:13:59,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:13:59,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504052609] [2021-10-13 07:13:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:13:59,993 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:13:59,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:13:59,994 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:14:00,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:14:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:00,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:14:00,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:00,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:00,419 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:14:00,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504052609] [2021-10-13 07:14:00,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504052609] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:14:00,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:14:00,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:14:00,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224831704] [2021-10-13 07:14:00,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:14:00,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:14:00,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:14:00,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:14:00,423 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:00,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:14:00,500 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-13 07:14:00,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:14:00,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:14:00,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:14:00,502 INFO L225 Difference]: With dead ends: 202 [2021-10-13 07:14:00,502 INFO L226 Difference]: Without dead ends: 132 [2021-10-13 07:14:00,503 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:14:00,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-13 07:14:00,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-13 07:14:00,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-13 07:14:00,515 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-13 07:14:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:14:00,515 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-13 07:14:00,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-13 07:14:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:14:00,516 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:14:00,517 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:14:00,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:14:00,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:14:00,731 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:14:00,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:14:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2021-10-13 07:14:00,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:14:00,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231604416] [2021-10-13 07:14:00,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:14:00,732 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:14:00,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:14:00,738 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:14:00,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:14:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:00,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:14:00,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:01,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:01,201 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:14:01,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231604416] [2021-10-13 07:14:01,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231604416] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:14:01,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:14:01,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:14:01,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727764721] [2021-10-13 07:14:01,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:14:01,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:14:01,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:14:01,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:14:01,206 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:01,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:14:01,383 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-13 07:14:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:14:01,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:14:01,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:14:01,386 INFO L225 Difference]: With dead ends: 282 [2021-10-13 07:14:01,386 INFO L226 Difference]: Without dead ends: 206 [2021-10-13 07:14:01,388 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 49.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:14:01,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-13 07:14:01,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-13 07:14:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-13 07:14:01,403 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-13 07:14:01,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:14:01,404 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-13 07:14:01,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:01,404 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-13 07:14:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 07:14:01,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:14:01,409 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:14:01,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:14:01,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:14:01,626 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:14:01,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:14:01,627 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2021-10-13 07:14:01,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:14:01,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102540363] [2021-10-13 07:14:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:14:01,628 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:14:01,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:14:01,630 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:14:01,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:14:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:01,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:14:01,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:01,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:02,086 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:14:02,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102540363] [2021-10-13 07:14:02,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102540363] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:14:02,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:14:02,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:14:02,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627843675] [2021-10-13 07:14:02,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:14:02,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:14:02,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:14:02,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:14:02,089 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:02,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:14:02,161 INFO L93 Difference]: Finished difference Result 246 states and 331 transitions. [2021-10-13 07:14:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:14:02,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 07:14:02,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:14:02,164 INFO L225 Difference]: With dead ends: 246 [2021-10-13 07:14:02,164 INFO L226 Difference]: Without dead ends: 171 [2021-10-13 07:14:02,164 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:14:02,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-10-13 07:14:02,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 141. [2021-10-13 07:14:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 140 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:02,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 188 transitions. [2021-10-13 07:14:02,182 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 188 transitions. Word has length 34 [2021-10-13 07:14:02,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:14:02,182 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 188 transitions. [2021-10-13 07:14:02,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 188 transitions. [2021-10-13 07:14:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 07:14:02,183 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:14:02,183 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:14:02,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:14:02,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:14:02,399 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:14:02,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:14:02,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2021-10-13 07:14:02,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:14:02,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158090669] [2021-10-13 07:14:02,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:14:02,401 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:14:02,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:14:02,402 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:14:02,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:14:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:02,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:14:02,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:02,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:02,978 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:14:02,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158090669] [2021-10-13 07:14:02,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158090669] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:14:02,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:14:02,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:14:02,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843561197] [2021-10-13 07:14:02,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:14:02,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:14:02,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:14:02,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:14:02,981 INFO L87 Difference]: Start difference. First operand 141 states and 188 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:04,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:14:04,482 INFO L93 Difference]: Finished difference Result 687 states and 926 transitions. [2021-10-13 07:14:04,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:14:04,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 07:14:04,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:14:04,488 INFO L225 Difference]: With dead ends: 687 [2021-10-13 07:14:04,489 INFO L226 Difference]: Without dead ends: 553 [2021-10-13 07:14:04,489 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 65.0ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:14:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-10-13 07:14:04,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 251. [2021-10-13 07:14:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.32) internal successors, (330), 250 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 330 transitions. [2021-10-13 07:14:04,525 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 330 transitions. Word has length 35 [2021-10-13 07:14:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:14:04,525 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 330 transitions. [2021-10-13 07:14:04,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 330 transitions. [2021-10-13 07:14:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 07:14:04,527 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:14:04,527 INFO L512 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1] [2021-10-13 07:14:04,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:14:04,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:14:04,740 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:14:04,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:14:04,741 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2021-10-13 07:14:04,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:14:04,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369395795] [2021-10-13 07:14:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:14:04,742 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:14:04,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:14:04,743 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:14:04,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:14:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:05,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:14:05,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:14:05,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:14:05,540 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:14:05,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369395795] [2021-10-13 07:14:05,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369395795] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:14:05,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1168223230] [2021-10-13 07:14:05,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:14:05,541 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:14:05,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:14:05,542 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:14:05,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:14:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:05,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 07:14:05,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:06,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:06,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1168223230] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:14:06,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010274669] [2021-10-13 07:14:06,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:14:06,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:14:06,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:14:06,358 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:14:06,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 07:14:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:06,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:14:06,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:06,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:14:07,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010274669] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:14:07,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:14:07,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 15 [2021-10-13 07:14:07,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710959203] [2021-10-13 07:14:07,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-13 07:14:07,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:14:07,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 07:14:07,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-13 07:14:07,056 INFO L87 Difference]: Start difference. First operand 251 states and 330 transitions. Second operand has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:14:17,608 INFO L93 Difference]: Finished difference Result 1905 states and 2626 transitions. [2021-10-13 07:14:17,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-10-13 07:14:17,609 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-13 07:14:17,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:14:17,621 INFO L225 Difference]: With dead ends: 1905 [2021-10-13 07:14:17,622 INFO L226 Difference]: Without dead ends: 1661 [2021-10-13 07:14:17,638 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2848 ImplicationChecksByTransitivity, 1962.7ms TimeCoverageRelationStatistics Valid=1549, Invalid=6641, Unknown=0, NotChecked=0, Total=8190 [2021-10-13 07:14:17,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2021-10-13 07:14:17,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 392. [2021-10-13 07:14:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.3069053708439897) internal successors, (511), 391 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 511 transitions. [2021-10-13 07:14:17,710 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 511 transitions. Word has length 58 [2021-10-13 07:14:17,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:14:17,711 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 511 transitions. [2021-10-13 07:14:17,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.0) internal successors, (180), 15 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 511 transitions. [2021-10-13 07:14:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-13 07:14:17,713 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:14:17,713 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:14:17,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:14:17,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:14:18,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-10-13 07:14:18,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:14:18,331 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:14:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:14:18,332 INFO L82 PathProgramCache]: Analyzing trace with hash -741655465, now seen corresponding path program 1 times [2021-10-13 07:14:18,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:14:18,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104851413] [2021-10-13 07:14:18,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:14:18,333 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:14:18,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:14:18,333 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:14:18,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:14:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:14:18,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:14:18,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:14:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:14:19,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:14:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:14:19,258 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:14:19,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104851413] [2021-10-13 07:14:19,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104851413] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:14:19,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:14:19,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:14:19,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504503369] [2021-10-13 07:14:19,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:14:19,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:14:19,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:14:19,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:14:19,261 INFO L87 Difference]: Start difference. First operand 392 states and 511 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:19,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:14:19,344 INFO L93 Difference]: Finished difference Result 581 states and 747 transitions. [2021-10-13 07:14:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:14:19,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-10-13 07:14:19,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:14:19,347 INFO L225 Difference]: With dead ends: 581 [2021-10-13 07:14:19,347 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:14:19,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.2ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:14:19,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:14:19,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:14:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:19,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:14:19,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-10-13 07:14:19,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:14:19,350 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:14:19,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:14:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:14:19,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:14:19,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:14:19,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:14:19,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:14:19,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:14:19,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:14:19,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:14:19,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:19,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:20,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:14:23,909 INFO L853 garLoopResultBuilder]: At program point L894(lines 889 897) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:14:23,909 INFO L853 garLoopResultBuilder]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-13 07:14:23,909 INFO L853 garLoopResultBuilder]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2021-10-13 07:14:23,910 INFO L853 garLoopResultBuilder]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2021-10-13 07:14:23,910 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:14:23,910 INFO L853 garLoopResultBuilder]: At program point L333(lines 284 334) the Hoare annotation is: false [2021-10-13 07:14:23,910 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,910 INFO L857 garLoopResultBuilder]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,911 INFO L857 garLoopResultBuilder]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,912 INFO L857 garLoopResultBuilder]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2021-10-13 07:14:23,912 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2021-10-13 07:14:23,912 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2021-10-13 07:14:23,912 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2021-10-13 07:14:23,912 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 123) no Hoare annotation was computed. [2021-10-13 07:14:23,912 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2021-10-13 07:14:23,913 INFO L857 garLoopResultBuilder]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2021-10-13 07:14:23,913 INFO L857 garLoopResultBuilder]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2021-10-13 07:14:23,913 INFO L857 garLoopResultBuilder]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2021-10-13 07:14:23,913 INFO L857 garLoopResultBuilder]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2021-10-13 07:14:23,914 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2021-10-13 07:14:23,914 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-13 07:14:23,914 INFO L853 garLoopResultBuilder]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse4) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-13 07:14:23,914 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2021-10-13 07:14:23,915 INFO L853 garLoopResultBuilder]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2021-10-13 07:14:23,915 INFO L853 garLoopResultBuilder]: At program point L240(lines 225 243) the Hoare annotation is: false [2021-10-13 07:14:23,915 INFO L853 garLoopResultBuilder]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-13 07:14:23,915 INFO L853 garLoopResultBuilder]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2021-10-13 07:14:23,916 INFO L853 garLoopResultBuilder]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2021-10-13 07:14:23,916 INFO L853 garLoopResultBuilder]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2021-10-13 07:14:23,916 INFO L853 garLoopResultBuilder]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2021-10-13 07:14:23,916 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:14:23,916 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 377) no Hoare annotation was computed. [2021-10-13 07:14:23,917 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 118) no Hoare annotation was computed. [2021-10-13 07:14:23,917 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2021-10-13 07:14:23,917 INFO L857 garLoopResultBuilder]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2021-10-13 07:14:23,917 INFO L857 garLoopResultBuilder]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2021-10-13 07:14:23,917 INFO L857 garLoopResultBuilder]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2021-10-13 07:14:23,918 INFO L857 garLoopResultBuilder]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2021-10-13 07:14:23,918 INFO L853 garLoopResultBuilder]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:14:23,918 INFO L853 garLoopResultBuilder]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2021-10-13 07:14:23,918 INFO L853 garLoopResultBuilder]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2021-10-13 07:14:23,918 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 07:14:23,918 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-13 07:14:23,918 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-13 07:14:23,918 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 856) no Hoare annotation was computed. [2021-10-13 07:14:23,919 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse5 .cse3 .cse6) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2 .cse5 .cse6))) [2021-10-13 07:14:23,919 INFO L857 garLoopResultBuilder]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2021-10-13 07:14:23,919 INFO L853 garLoopResultBuilder]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2021-10-13 07:14:23,919 INFO L857 garLoopResultBuilder]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2021-10-13 07:14:23,919 INFO L853 garLoopResultBuilder]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2021-10-13 07:14:23,920 INFO L853 garLoopResultBuilder]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-13 07:14:23,920 INFO L853 garLoopResultBuilder]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2021-10-13 07:14:23,920 INFO L853 garLoopResultBuilder]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2021-10-13 07:14:23,920 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 853) no Hoare annotation was computed. [2021-10-13 07:14:23,920 INFO L857 garLoopResultBuilder]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2021-10-13 07:14:23,921 INFO L857 garLoopResultBuilder]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2021-10-13 07:14:23,921 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 328) no Hoare annotation was computed. [2021-10-13 07:14:23,921 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-10-13 07:14:23,921 INFO L853 garLoopResultBuilder]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2021-10-13 07:14:23,921 INFO L857 garLoopResultBuilder]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2021-10-13 07:14:23,921 INFO L857 garLoopResultBuilder]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2021-10-13 07:14:23,921 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-10-13 07:14:23,922 INFO L857 garLoopResultBuilder]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2021-10-13 07:14:23,922 INFO L857 garLoopResultBuilder]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2021-10-13 07:14:23,922 INFO L857 garLoopResultBuilder]: For program point L911(line 911) no Hoare annotation was computed. [2021-10-13 07:14:23,922 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:14:23,923 INFO L853 garLoopResultBuilder]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-13 07:14:23,923 INFO L853 garLoopResultBuilder]: At program point L185-1(lines 180 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:14:23,923 INFO L853 garLoopResultBuilder]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2021-10-13 07:14:23,923 INFO L853 garLoopResultBuilder]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2021-10-13 07:14:23,923 INFO L853 garLoopResultBuilder]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2021-10-13 07:14:23,923 INFO L853 garLoopResultBuilder]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2021-10-13 07:14:23,924 INFO L853 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2 .cse5))) [2021-10-13 07:14:23,924 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-10-13 07:14:23,924 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-10-13 07:14:23,924 INFO L857 garLoopResultBuilder]: For program point L286(lines 285 332) no Hoare annotation was computed. [2021-10-13 07:14:23,924 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-13 07:14:23,925 INFO L857 garLoopResultBuilder]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2021-10-13 07:14:23,925 INFO L857 garLoopResultBuilder]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2021-10-13 07:14:23,925 INFO L857 garLoopResultBuilder]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2021-10-13 07:14:23,925 INFO L857 garLoopResultBuilder]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2021-10-13 07:14:23,925 INFO L857 garLoopResultBuilder]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2021-10-13 07:14:23,926 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-10-13 07:14:23,926 INFO L857 garLoopResultBuilder]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2021-10-13 07:14:23,926 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-10-13 07:14:23,926 INFO L857 garLoopResultBuilder]: For program point L982(lines 982 989) no Hoare annotation was computed. [2021-10-13 07:14:23,926 INFO L860 garLoopResultBuilder]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2021-10-13 07:14:23,927 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:14:23,927 INFO L853 garLoopResultBuilder]: At program point L818(lines 813 820) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:14:23,927 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-10-13 07:14:23,927 INFO L853 garLoopResultBuilder]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-13 07:14:23,927 INFO L853 garLoopResultBuilder]: At program point L886(lines 1 994) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:14:23,928 INFO L853 garLoopResultBuilder]: At program point L259(lines 244 262) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:14:23,928 INFO L853 garLoopResultBuilder]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2021-10-13 07:14:23,928 INFO L853 garLoopResultBuilder]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2021-10-13 07:14:23,928 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:14:23,928 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-10-13 07:14:23,929 INFO L857 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2021-10-13 07:14:23,929 INFO L857 garLoopResultBuilder]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2021-10-13 07:14:23,929 INFO L857 garLoopResultBuilder]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2021-10-13 07:14:23,929 INFO L857 garLoopResultBuilder]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2021-10-13 07:14:23,929 INFO L857 garLoopResultBuilder]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2021-10-13 07:14:23,930 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-10-13 07:14:23,930 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2021-10-13 07:14:23,930 INFO L853 garLoopResultBuilder]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-13 07:14:23,930 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:14:23,930 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 07:14:23,931 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 149) no Hoare annotation was computed. [2021-10-13 07:14:23,931 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2021-10-13 07:14:23,931 INFO L857 garLoopResultBuilder]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2021-10-13 07:14:23,931 INFO L860 garLoopResultBuilder]: At program point L991(lines 972 994) the Hoare annotation is: true [2021-10-13 07:14:23,931 INFO L853 garLoopResultBuilder]: At program point L958(lines 954 960) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:14:23,932 INFO L853 garLoopResultBuilder]: At program point L431(lines 422 435) the Hoare annotation is: false [2021-10-13 07:14:23,932 INFO L853 garLoopResultBuilder]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-13 07:14:23,932 INFO L853 garLoopResultBuilder]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2021-10-13 07:14:23,932 INFO L853 garLoopResultBuilder]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2021-10-13 07:14:23,932 INFO L853 garLoopResultBuilder]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2021-10-13 07:14:23,933 INFO L853 garLoopResultBuilder]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2021-10-13 07:14:23,938 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:14:23,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:14:23 BoogieIcfgContainer [2021-10-13 07:14:23,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:14:23,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:14:23,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:14:23,973 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:14:23,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:13:56" (3/4) ... [2021-10-13 07:14:23,977 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:14:24,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:14:24,003 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:14:24,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:14:24,006 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:14:24,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:14:24,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:14:24,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:14:24,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:14:24,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:14:24,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:14:24,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 2bv32 == tmp) [2021-10-13 07:14:24,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,043 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,043 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) [2021-10-13 07:14:24,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) [2021-10-13 07:14:24,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-13 07:14:24,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:14:24,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result [2021-10-13 07:14:24,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:14:24,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:14:24,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:14:24,112 INFO L168 Benchmark]: Toolchain (without parser) took 31174.96 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 30.1 MB in the beginning and 26.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:14:24,112 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:14:24,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.24 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 47.4 MB in the end (delta: -17.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:14:24,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.91 ms. Allocated memory is still 67.1 MB. Free memory was 47.4 MB in the beginning and 43.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:14:24,114 INFO L168 Benchmark]: Boogie Preprocessor took 74.57 ms. Allocated memory is still 67.1 MB. Free memory was 43.6 MB in the beginning and 40.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:14:24,114 INFO L168 Benchmark]: RCFGBuilder took 2477.19 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 40.8 MB in the beginning and 44.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:14:24,115 INFO L168 Benchmark]: TraceAbstraction took 27706.56 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 43.4 MB in the beginning and 36.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:14:24,115 INFO L168 Benchmark]: Witness Printer took 137.53 ms. Allocated memory is still 98.6 MB. Free memory was 36.6 MB in the beginning and 26.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:14:24,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.24 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 47.4 MB in the end (delta: -17.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.91 ms. Allocated memory is still 67.1 MB. Free memory was 47.4 MB in the beginning and 43.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.57 ms. Allocated memory is still 67.1 MB. Free memory was 43.6 MB in the beginning and 40.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2477.19 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 40.8 MB in the beginning and 44.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27706.56 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 43.4 MB in the beginning and 36.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. * Witness Printer took 137.53 ms. Allocated memory is still 98.6 MB. Free memory was 36.6 MB in the beginning and 26.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27596.4ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 47.2ms, AutomataDifference: 12836.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4348.2ms, InitialAbstractionConstructionTime: 17.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1296 SDtfs, 3251 SDslu, 3801 SDs, 0 SdLazy, 1008 SolverSat, 165 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9678.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1225 GetRequests, 1095 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2865 ImplicationChecksByTransitivity, 2214.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=10, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 253.8ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1896 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 136 NumberOfFragments, 720 HoareAnnotationTreeSize, 50 FomulaSimplifications, 315801 FormulaSimplificationTreeSizeReduction, 1088.2ms HoareSimplificationTime, 50 FomulaSimplificationsInter, 27499 FormulaSimplificationTreeSizeReductionInter, 3246.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 286.0ms SsaConstructionTime, 1432.3ms SatisfiabilityAnalysisTime, 3696.6ms InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 1901 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2938 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 2bv32 == tmp) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 1bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:14:24,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_868d5057-c257-4db9-9b78-f0e0313fe5ad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...