./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f ............................................................................................................................................ 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_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:03:21,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:03:21,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:03:21,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:03:21,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:03:21,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:03:21,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:03:21,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:03:21,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:03:21,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:03:21,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:03:21,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:03:21,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:03:21,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:03:21,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:03:21,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:03:21,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:03:21,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:03:21,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:03:21,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:03:21,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:03:21,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:03:21,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:03:21,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:03:21,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:03:21,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:03:21,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:03:21,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:03:21,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:03:21,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:03:21,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:03:21,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:03:21,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:03:21,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:03:21,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:03:21,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:03:21,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:03:21,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:03:21,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:03:21,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:03:21,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:03:21,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:03:21,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:03:21,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:03:21,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:03:21,985 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:03:21,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:03:21,986 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:03:21,986 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:03:21,987 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:03:21,987 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:03:21,987 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:03:21,987 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:03:21,987 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:03:21,988 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:03:21,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:03:21,991 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:03:21,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:03:21,992 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:03:21,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:03:21,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:03:21,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:03:21,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:03:22,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:03:22,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:03:22,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:03:22,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:03:22,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:03:22,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:03:22,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:03:22,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:03:22,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:03:22,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:03:22,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:03:22,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:03:22,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:03:22,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:03:22,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:03:22,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:03:22,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:03:22,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:03:22,009 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_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f [2021-10-24 11:03:22,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:03:22,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:03:22,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:03:22,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:03:22,352 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:03:22,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-24 11:03:22,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/4e4b1abff/d37fa9087f5049e3998df0518d2d86d8/FLAG42fc8a87a [2021-10-24 11:03:23,047 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:03:23,048 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-24 11:03:23,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/4e4b1abff/d37fa9087f5049e3998df0518d2d86d8/FLAG42fc8a87a [2021-10-24 11:03:23,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/4e4b1abff/d37fa9087f5049e3998df0518d2d86d8 [2021-10-24 11:03:23,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:03:23,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:03:23,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:23,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:03:23,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:03:23,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:23" (1/1) ... [2021-10-24 11:03:23,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7310a8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:23, skipping insertion in model container [2021-10-24 11:03:23,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:23" (1/1) ... [2021-10-24 11:03:23,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:03:23,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:03:23,697 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_76336058-bd95-40c0-84f2-702c579f231b/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2021-10-24 11:03:23,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:23,766 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 11:03:23,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@530265ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:23, skipping insertion in model container [2021-10-24 11:03:23,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:23,767 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:03:23,771 INFO L168 Benchmark]: Toolchain (without parser) took 436.53 ms. Allocated memory is still 102.8 MB. Free memory was 62.1 MB in the beginning and 74.0 MB in the end (delta: -11.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:03:23,773 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 79.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:03:23,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.21 ms. Allocated memory is still 102.8 MB. Free memory was 61.9 MB in the beginning and 74.0 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:03:23,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 79.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 433.21 ms. Allocated memory is still 102.8 MB. Free memory was 61.9 MB in the beginning and 74.0 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 645]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:03:26,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:03:26,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:03:26,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:03:26,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:03:26,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:03:26,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:03:26,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:03:26,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:03:26,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:03:26,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:03:26,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:03:26,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:03:26,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:03:26,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:03:26,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:03:26,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:03:26,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:03:26,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:03:26,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:03:26,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:03:26,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:03:26,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:03:26,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:03:26,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:03:26,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:03:26,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:03:26,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:03:26,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:03:26,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:03:26,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:03:26,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:03:26,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:03:26,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:03:26,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:03:26,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:03:26,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:03:26,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:03:26,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:03:26,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:03:26,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:03:26,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:03:26,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:03:26,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:03:26,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:03:26,491 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:03:26,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:03:26,491 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:03:26,491 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:03:26,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:03:26,492 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:03:26,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:03:26,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:03:26,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:03:26,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:03:26,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:03:26,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:03:26,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:03:26,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:03:26,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:03:26,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:03:26,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:03:26,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:03:26,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:03:26,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:03:26,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:03:26,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:03:26,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:03:26,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:03:26,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:03:26,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:03:26,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:03:26,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:03:26,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:26,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:03:26,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:03:26,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:03:26,501 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_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f [2021-10-24 11:03:26,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:03:26,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:03:26,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:03:26,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:03:26,973 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:03:26,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-24 11:03:27,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/aaf9b2809/4166c4a218404eeabe28783528171403/FLAG4a9878b55 [2021-10-24 11:03:27,745 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:03:27,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2021-10-24 11:03:27,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/aaf9b2809/4166c4a218404eeabe28783528171403/FLAG4a9878b55 [2021-10-24 11:03:27,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/data/aaf9b2809/4166c4a218404eeabe28783528171403 [2021-10-24 11:03:27,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:03:27,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:03:27,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:27,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:03:27,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:03:27,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:27" (1/1) ... [2021-10-24 11:03:27,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422c7b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:27, skipping insertion in model container [2021-10-24 11:03:27,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:03:27" (1/1) ... [2021-10-24 11:03:28,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:03:28,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:03:28,338 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_76336058-bd95-40c0-84f2-702c579f231b/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2021-10-24 11:03:28,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:28,465 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:03:28,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:03:28,515 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_76336058-bd95-40c0-84f2-702c579f231b/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2021-10-24 11:03:28,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:28,556 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:03:28,611 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_76336058-bd95-40c0-84f2-702c579f231b/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2021-10-24 11:03:28,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:03:28,710 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:03:28,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28 WrapperNode [2021-10-24 11:03:28,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:03:28,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:03:28,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:03:28,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:03:28,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:03:28,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:03:28,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:03:28,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:03:28,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:03:28,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:03:28,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:03:28,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:03:28,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (1/1) ... [2021-10-24 11:03:28,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:03:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:03:28,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:03:29,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:03:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:03:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:03:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:03:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:03:32,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:03:32,213 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-24 11:03:32,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:32 BoogieIcfgContainer [2021-10-24 11:03:32,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:03:32,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:03:32,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:03:32,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:03:32,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:03:27" (1/3) ... [2021-10-24 11:03:32,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd53122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:32, skipping insertion in model container [2021-10-24 11:03:32,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:03:28" (2/3) ... [2021-10-24 11:03:32,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd53122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:03:32, skipping insertion in model container [2021-10-24 11:03:32,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:32" (3/3) ... [2021-10-24 11:03:32,228 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2021-10-24 11:03:32,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:03:32,236 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:03:32,294 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:03:32,307 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 11:03:32,307 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:03:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 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) [2021-10-24 11:03:32,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:03:32,350 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:32,350 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:32,351 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:32,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:32,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1844308238, now seen corresponding path program 1 times [2021-10-24 11:03:32,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:32,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1214020101] [2021-10-24 11:03:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:32,382 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:32,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:32,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:32,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:03:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:32,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:03:32,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:32,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:32,860 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:32,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1214020101] [2021-10-24 11:03:32,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1214020101] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:32,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:32,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:03:32,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580359092] [2021-10-24 11:03:32,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:03:32,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:03:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:03:32,921 INFO L87 Difference]: Start difference. First operand has 119 states, 115 states have (on average 1.565217391304348) internal successors, (180), 118 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:32,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:32,987 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2021-10-24 11:03:32,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:03:32,989 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 11:03:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:33,005 INFO L225 Difference]: With dead ends: 232 [2021-10-24 11:03:33,006 INFO L226 Difference]: Without dead ends: 115 [2021-10-24 11:03:33,011 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:03:33,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-24 11:03:33,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-24 11:03:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 112 states have (on average 1.5) internal successors, (168), 114 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2021-10-24 11:03:33,080 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2021-10-24 11:03:33,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:33,081 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2021-10-24 11:03:33,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:33,082 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2021-10-24 11:03:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:03:33,086 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:33,086 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:33,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:33,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:33,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:33,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:33,302 INFO L82 PathProgramCache]: Analyzing trace with hash -323074868, now seen corresponding path program 1 times [2021-10-24 11:03:33,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:33,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895856342] [2021-10-24 11:03:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:33,304 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:33,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:33,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:03:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:33,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:33,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:33,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:33,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:33,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895856342] [2021-10-24 11:03:33,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895856342] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:33,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:33,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:03:33,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638935035] [2021-10-24 11:03:33,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:03:33,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:33,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:03:33,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:33,672 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:33,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:33,688 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2021-10-24 11:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:03:33,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 11:03:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:33,691 INFO L225 Difference]: With dead ends: 115 [2021-10-24 11:03:33,691 INFO L226 Difference]: Without dead ends: 49 [2021-10-24 11:03:33,692 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:33,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-24 11:03:33,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-24 11:03:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-24 11:03:33,699 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2021-10-24 11:03:33,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:33,700 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-24 11:03:33,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-24 11:03:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:03:33,702 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:33,702 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:33,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 11:03:33,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:33,921 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:33,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:33,922 INFO L82 PathProgramCache]: Analyzing trace with hash -426243093, now seen corresponding path program 1 times [2021-10-24 11:03:33,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:33,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735187957] [2021-10-24 11:03:33,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:33,923 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:33,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:33,925 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:33,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:03:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:34,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:34,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:34,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:34,346 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:34,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735187957] [2021-10-24 11:03:34,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735187957] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:34,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:34,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:03:34,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969453434] [2021-10-24 11:03:34,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:03:34,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:34,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:03:34,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:34,354 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:34,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:34,390 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2021-10-24 11:03:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:03:34,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 11:03:34,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:34,392 INFO L225 Difference]: With dead ends: 158 [2021-10-24 11:03:34,392 INFO L226 Difference]: Without dead ends: 115 [2021-10-24 11:03:34,393 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:03:34,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-24 11:03:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 68. [2021-10-24 11:03:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.492537313432836) internal successors, (100), 67 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2021-10-24 11:03:34,405 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2021-10-24 11:03:34,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:34,405 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2021-10-24 11:03:34,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:34,406 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2021-10-24 11:03:34,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 11:03:34,407 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:34,407 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:34,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:34,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:34,625 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:34,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:34,625 INFO L82 PathProgramCache]: Analyzing trace with hash 844046893, now seen corresponding path program 1 times [2021-10-24 11:03:34,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:34,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43429949] [2021-10-24 11:03:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:34,627 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:34,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:34,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:34,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:03:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:34,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:34,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:34,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:34,941 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:34,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43429949] [2021-10-24 11:03:34,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43429949] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:34,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:34,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:03:34,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612978496] [2021-10-24 11:03:34,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:03:34,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:34,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:03:34,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:03:34,944 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:35,027 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2021-10-24 11:03:35,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:03:35,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 11:03:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:35,032 INFO L225 Difference]: With dead ends: 151 [2021-10-24 11:03:35,033 INFO L226 Difference]: Without dead ends: 89 [2021-10-24 11:03:35,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:03:35,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-24 11:03:35,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-24 11:03:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.441860465116279) internal successors, (124), 86 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2021-10-24 11:03:35,054 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2021-10-24 11:03:35,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:35,055 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2021-10-24 11:03:35,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2021-10-24 11:03:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 11:03:35,060 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:35,061 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:35,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:35,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:35,296 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:35,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:35,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1604149312, now seen corresponding path program 1 times [2021-10-24 11:03:35,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:35,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081196060] [2021-10-24 11:03:35,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:35,298 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:35,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:35,300 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:35,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:03:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:35,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:35,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:35,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:35,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:35,801 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:35,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081196060] [2021-10-24 11:03:35,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081196060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:35,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:35,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 11:03:35,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274062758] [2021-10-24 11:03:35,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:03:35,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:35,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:03:35,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:03:35,804 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:36,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:36,273 INFO L93 Difference]: Finished difference Result 626 states and 919 transitions. [2021-10-24 11:03:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 11:03:36,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 11:03:36,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:36,281 INFO L225 Difference]: With dead ends: 626 [2021-10-24 11:03:36,281 INFO L226 Difference]: Without dead ends: 545 [2021-10-24 11:03:36,284 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 149.2ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-24 11:03:36,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-24 11:03:36,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 216. [2021-10-24 11:03:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.4046511627906977) internal successors, (302), 215 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2021-10-24 11:03:36,361 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2021-10-24 11:03:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:36,362 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2021-10-24 11:03:36,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2021-10-24 11:03:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-24 11:03:36,371 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:36,372 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] [2021-10-24 11:03:36,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:36,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:36,588 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:36,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:36,589 INFO L82 PathProgramCache]: Analyzing trace with hash -318508511, now seen corresponding path program 1 times [2021-10-24 11:03:36,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:36,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116629837] [2021-10-24 11:03:36,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:36,590 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:36,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:36,592 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:36,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:03:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:36,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 11:03:36,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:36,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:37,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:37,183 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:37,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116629837] [2021-10-24 11:03:37,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116629837] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:37,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1444528121] [2021-10-24 11:03:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:37,184 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:03:37,188 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:03:37,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-24 11:03:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:37,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:37,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 11:03:37,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-24 11:03:37,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1444528121] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:37,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:03:37,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-24 11:03:37,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751372421] [2021-10-24 11:03:37,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:03:37,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:37,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:03:37,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:03:37,741 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:37,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:37,989 INFO L93 Difference]: Finished difference Result 510 states and 725 transitions. [2021-10-24 11:03:37,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:03:37,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 40 [2021-10-24 11:03:37,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:37,994 INFO L225 Difference]: With dead ends: 510 [2021-10-24 11:03:37,994 INFO L226 Difference]: Without dead ends: 508 [2021-10-24 11:03:37,995 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 120.2ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-24 11:03:37,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2021-10-24 11:03:38,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 216. [2021-10-24 11:03:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.3953488372093024) internal successors, (300), 215 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 300 transitions. [2021-10-24 11:03:38,045 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 300 transitions. Word has length 40 [2021-10-24 11:03:38,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:38,046 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 300 transitions. [2021-10-24 11:03:38,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 300 transitions. [2021-10-24 11:03:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-24 11:03:38,050 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:38,051 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:38,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-24 11:03:38,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:38,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:38,464 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:38,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1224443156, now seen corresponding path program 1 times [2021-10-24 11:03:38,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:38,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821137821] [2021-10-24 11:03:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:38,465 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:38,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:38,468 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:03:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:38,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 11:03:38,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:38,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:39,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:39,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:39,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821137821] [2021-10-24 11:03:39,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821137821] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:39,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [448927149] [2021-10-24 11:03:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:39,107 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:03:39,108 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:03:39,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-24 11:03:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:39,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:03:39,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:39,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:03:39,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [448927149] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:39,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 11:03:39,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2021-10-24 11:03:39,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041458878] [2021-10-24 11:03:39,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:03:39,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:39,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:03:39,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:03:39,824 INFO L87 Difference]: Start difference. First operand 216 states and 300 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:41,205 INFO L93 Difference]: Finished difference Result 432 states and 600 transitions. [2021-10-24 11:03:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:03:41,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-10-24 11:03:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:41,208 INFO L225 Difference]: With dead ends: 432 [2021-10-24 11:03:41,208 INFO L226 Difference]: Without dead ends: 158 [2021-10-24 11:03:41,210 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.9ms TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:03:41,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-24 11:03:41,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2021-10-24 11:03:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.356687898089172) internal successors, (213), 157 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 213 transitions. [2021-10-24 11:03:41,232 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 213 transitions. Word has length 48 [2021-10-24 11:03:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:41,233 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 213 transitions. [2021-10-24 11:03:41,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 213 transitions. [2021-10-24 11:03:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-24 11:03:41,234 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:41,235 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:41,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:41,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:41,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:41,646 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:41,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:41,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1164793824, now seen corresponding path program 1 times [2021-10-24 11:03:41,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:41,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040686854] [2021-10-24 11:03:41,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:41,648 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:41,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:41,650 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:41,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 11:03:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:41,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:41,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:03:42,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:03:42,244 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:42,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040686854] [2021-10-24 11:03:42,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040686854] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:42,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:42,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:03:42,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148799395] [2021-10-24 11:03:42,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:03:42,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:42,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:03:42,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:03:42,249 INFO L87 Difference]: Start difference. First operand 158 states and 213 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:42,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:42,357 INFO L93 Difference]: Finished difference Result 429 states and 572 transitions. [2021-10-24 11:03:42,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:03:42,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 51 [2021-10-24 11:03:42,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:42,360 INFO L225 Difference]: With dead ends: 429 [2021-10-24 11:03:42,360 INFO L226 Difference]: Without dead ends: 277 [2021-10-24 11:03:42,361 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:03:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-10-24 11:03:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 173. [2021-10-24 11:03:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3255813953488371) internal successors, (228), 172 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 228 transitions. [2021-10-24 11:03:42,386 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 228 transitions. Word has length 51 [2021-10-24 11:03:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:42,388 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 228 transitions. [2021-10-24 11:03:42,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 228 transitions. [2021-10-24 11:03:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-24 11:03:42,390 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:42,390 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:42,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:42,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:42,607 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:42,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:42,607 INFO L82 PathProgramCache]: Analyzing trace with hash -463193950, now seen corresponding path program 1 times [2021-10-24 11:03:42,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:42,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102400598] [2021-10-24 11:03:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:42,610 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:42,611 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:42,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 11:03:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:42,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:03:42,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:03:43,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-24 11:03:43,352 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:43,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102400598] [2021-10-24 11:03:43,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102400598] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:43,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:43,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:03:43,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610228933] [2021-10-24 11:03:43,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:03:43,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:43,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:03:43,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:03:43,355 INFO L87 Difference]: Start difference. First operand 173 states and 228 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:43,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:43,449 INFO L93 Difference]: Finished difference Result 405 states and 531 transitions. [2021-10-24 11:03:43,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:03:43,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 51 [2021-10-24 11:03:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:43,453 INFO L225 Difference]: With dead ends: 405 [2021-10-24 11:03:43,453 INFO L226 Difference]: Without dead ends: 238 [2021-10-24 11:03:43,454 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 35.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:03:43,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-10-24 11:03:43,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 152. [2021-10-24 11:03:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.2980132450331126) internal successors, (196), 151 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:43,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2021-10-24 11:03:43,478 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 51 [2021-10-24 11:03:43,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:43,478 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2021-10-24 11:03:43,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:43,479 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2021-10-24 11:03:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-24 11:03:43,480 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:43,480 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:43,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:43,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:43,696 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:43,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:43,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1312943258, now seen corresponding path program 1 times [2021-10-24 11:03:43,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:43,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000979813] [2021-10-24 11:03:43,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:43,701 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:43,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:43,702 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:43,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 11:03:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:44,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:03:44,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:03:44,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:03:44,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:44,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000979813] [2021-10-24 11:03:44,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000979813] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:44,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1494433348] [2021-10-24 11:03:44,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:44,613 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 11:03:44,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 11:03:44,614 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 11:03:44,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-24 11:03:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:45,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 11:03:45,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:03:45,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:03:45,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1494433348] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:45,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38232567] [2021-10-24 11:03:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:45,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:03:45,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:03:45,697 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 11:03:45,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-24 11:03:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:46,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:03:46,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:03:46,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 11:03:46,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38232567] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 11:03:46,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 11:03:46,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-24 11:03:46,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356395927] [2021-10-24 11:03:46,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-24 11:03:46,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-24 11:03:46,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-24 11:03:46,653 INFO L87 Difference]: Start difference. First operand 152 states and 196 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 11 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:51,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:51,178 INFO L93 Difference]: Finished difference Result 1832 states and 2415 transitions. [2021-10-24 11:03:51,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-24 11:03:51,178 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 11 states have internal predecessors, (104), 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 52 [2021-10-24 11:03:51,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:51,191 INFO L225 Difference]: With dead ends: 1832 [2021-10-24 11:03:51,192 INFO L226 Difference]: Without dead ends: 1710 [2021-10-24 11:03:51,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2006 ImplicationChecksByTransitivity, 1617.0ms TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-24 11:03:51,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2021-10-24 11:03:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 274. [2021-10-24 11:03:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.3113553113553114) internal successors, (358), 273 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions. [2021-10-24 11:03:51,253 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 52 [2021-10-24 11:03:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:51,254 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions. [2021-10-24 11:03:51,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 11 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions. [2021-10-24 11:03:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-24 11:03:51,255 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:03:51,256 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:03:51,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:51,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:51,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:51,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 11:03:51,871 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:03:51,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:03:51,871 INFO L82 PathProgramCache]: Analyzing trace with hash -807588266, now seen corresponding path program 1 times [2021-10-24 11:03:51,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:03:51,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010517530] [2021-10-24 11:03:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:03:51,872 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:03:51,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:03:51,873 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:03:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-24 11:03:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:03:52,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:03:52,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:03:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:03:52,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:03:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 11:03:52,806 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:03:52,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010517530] [2021-10-24 11:03:52,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010517530] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:03:52,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:03:52,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 11:03:52,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644106043] [2021-10-24 11:03:52,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 11:03:52,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:03:52,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 11:03:52,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 11:03:52,809 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:52,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:03:52,883 INFO L93 Difference]: Finished difference Result 441 states and 565 transitions. [2021-10-24 11:03:52,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:03:52,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 73 [2021-10-24 11:03:52,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:03:52,884 INFO L225 Difference]: With dead ends: 441 [2021-10-24 11:03:52,885 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:03:52,885 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 59.4ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:03:52,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:03:52,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:03:52,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:03:52,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-24 11:03:52,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:03:52,887 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:03:52,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:03:52,887 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:03:52,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:03:52,890 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:03:52,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:03:52,891 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:03:52,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-24 11:03:53,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:03:53,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:03:53,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:53,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:54,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:03:55,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:04:00,136 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2021-10-24 11:04:00,136 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2021-10-24 11:04:00,137 INFO L857 garLoopResultBuilder]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2021-10-24 11:04:00,137 INFO L857 garLoopResultBuilder]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2021-10-24 11:04:00,137 INFO L853 garLoopResultBuilder]: At program point L599(lines 550 600) the Hoare annotation is: false [2021-10-24 11:04:00,138 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2021-10-24 11:04:00,138 INFO L857 garLoopResultBuilder]: For program point L368-1(lines 368 385) no Hoare annotation was computed. [2021-10-24 11:04:00,138 INFO L857 garLoopResultBuilder]: For program point L368-2(lines 368 385) no Hoare annotation was computed. [2021-10-24 11:04:00,138 INFO L857 garLoopResultBuilder]: For program point L368-3(lines 368 385) no Hoare annotation was computed. [2021-10-24 11:04:00,138 INFO L857 garLoopResultBuilder]: For program point L368-4(lines 368 385) no Hoare annotation was computed. [2021-10-24 11:04:00,138 INFO L857 garLoopResultBuilder]: For program point L368-5(lines 368 385) no Hoare annotation was computed. [2021-10-24 11:04:00,139 INFO L853 garLoopResultBuilder]: At program point L336(lines 335 354) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse4))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) .cse2)))) [2021-10-24 11:04:00,139 INFO L857 garLoopResultBuilder]: For program point L336-1(lines 336 342) no Hoare annotation was computed. [2021-10-24 11:04:00,139 INFO L853 garLoopResultBuilder]: At program point L336-2(lines 335 354) the Hoare annotation is: false [2021-10-24 11:04:00,139 INFO L853 garLoopResultBuilder]: At program point L336-3(lines 335 354) the Hoare annotation is: false [2021-10-24 11:04:00,139 INFO L853 garLoopResultBuilder]: At program point L502(lines 487 505) the Hoare annotation is: false [2021-10-24 11:04:00,141 INFO L853 garLoopResultBuilder]: At program point L502-1(lines 487 505) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-24 11:04:00,141 INFO L853 garLoopResultBuilder]: At program point L502-2(lines 487 505) the Hoare annotation is: false [2021-10-24 11:04:00,141 INFO L853 garLoopResultBuilder]: At program point L502-3(lines 487 505) the Hoare annotation is: false [2021-10-24 11:04:00,141 INFO L853 garLoopResultBuilder]: At program point L502-4(lines 487 505) the Hoare annotation is: false [2021-10-24 11:04:00,141 INFO L853 garLoopResultBuilder]: At program point L502-5(lines 487 505) the Hoare annotation is: false [2021-10-24 11:04:00,141 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2021-10-24 11:04:00,141 INFO L857 garLoopResultBuilder]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2021-10-24 11:04:00,142 INFO L857 garLoopResultBuilder]: For program point L271-2(lines 271 277) no Hoare annotation was computed. [2021-10-24 11:04:00,142 INFO L857 garLoopResultBuilder]: For program point L271-3(lines 271 277) no Hoare annotation was computed. [2021-10-24 11:04:00,142 INFO L857 garLoopResultBuilder]: For program point L271-4(lines 271 277) no Hoare annotation was computed. [2021-10-24 11:04:00,142 INFO L857 garLoopResultBuilder]: For program point L271-5(lines 271 277) no Hoare annotation was computed. [2021-10-24 11:04:00,142 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2021-10-24 11:04:00,142 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-24 11:04:00,143 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-24 11:04:00,143 INFO L857 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2021-10-24 11:04:00,143 INFO L857 garLoopResultBuilder]: For program point L372-1(lines 372 380) no Hoare annotation was computed. [2021-10-24 11:04:00,144 INFO L857 garLoopResultBuilder]: For program point L372-2(lines 372 380) no Hoare annotation was computed. [2021-10-24 11:04:00,144 INFO L857 garLoopResultBuilder]: For program point L372-3(lines 372 380) no Hoare annotation was computed. [2021-10-24 11:04:00,144 INFO L857 garLoopResultBuilder]: For program point L372-4(lines 372 380) no Hoare annotation was computed. [2021-10-24 11:04:00,144 INFO L857 garLoopResultBuilder]: For program point L372-5(lines 372 380) no Hoare annotation was computed. [2021-10-24 11:04:00,145 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 577) no Hoare annotation was computed. [2021-10-24 11:04:00,145 INFO L853 garLoopResultBuilder]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) .cse1)))) [2021-10-24 11:04:00,145 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2021-10-24 11:04:00,145 INFO L853 garLoopResultBuilder]: At program point L276(lines 267 280) the Hoare annotation is: false [2021-10-24 11:04:00,145 INFO L853 garLoopResultBuilder]: At program point L276-1(lines 267 280) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-24 11:04:00,145 INFO L853 garLoopResultBuilder]: At program point L276-2(lines 267 280) the Hoare annotation is: false [2021-10-24 11:04:00,145 INFO L853 garLoopResultBuilder]: At program point L276-3(lines 267 280) the Hoare annotation is: false [2021-10-24 11:04:00,145 INFO L853 garLoopResultBuilder]: At program point L276-4(lines 267 280) the Hoare annotation is: false [2021-10-24 11:04:00,146 INFO L853 garLoopResultBuilder]: At program point L276-5(lines 267 280) the Hoare annotation is: false [2021-10-24 11:04:00,146 INFO L853 garLoopResultBuilder]: At program point L343(lines 343 349) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse4)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse4 .cse3) (and .cse0 (= (_ bv0 32) ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse2 .cse3)))) [2021-10-24 11:04:00,146 INFO L853 garLoopResultBuilder]: At program point L343-1(lines 343 349) the Hoare annotation is: false [2021-10-24 11:04:00,146 INFO L853 garLoopResultBuilder]: At program point L343-2(lines 343 349) the Hoare annotation is: false [2021-10-24 11:04:00,146 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:00,146 INFO L853 garLoopResultBuilder]: At program point L313(lines 1 981) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:00,147 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-24 11:04:00,147 INFO L857 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2021-10-24 11:04:00,147 INFO L857 garLoopResultBuilder]: For program point L612-1(line 612) no Hoare annotation was computed. [2021-10-24 11:04:00,147 INFO L857 garLoopResultBuilder]: For program point L612-2(line 612) no Hoare annotation was computed. [2021-10-24 11:04:00,147 INFO L853 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:00,147 INFO L853 garLoopResultBuilder]: At program point L447-1(lines 442 450) the Hoare annotation is: false [2021-10-24 11:04:00,147 INFO L853 garLoopResultBuilder]: At program point L447-2(lines 442 450) the Hoare annotation is: false [2021-10-24 11:04:00,147 INFO L857 garLoopResultBuilder]: For program point L581(lines 581 594) no Hoare annotation was computed. [2021-10-24 11:04:00,147 INFO L857 garLoopResultBuilder]: For program point L515(lines 515 519) no Hoare annotation was computed. [2021-10-24 11:04:00,147 INFO L857 garLoopResultBuilder]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2021-10-24 11:04:00,147 INFO L857 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point L515-5(lines 515 519) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point L515-6(lines 515 519) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point L515-8(lines 515 519) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L853 garLoopResultBuilder]: At program point L286(lines 281 289) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32)))) [2021-10-24 11:04:00,148 INFO L853 garLoopResultBuilder]: At program point L286-1(lines 281 289) the Hoare annotation is: false [2021-10-24 11:04:00,148 INFO L853 garLoopResultBuilder]: At program point L286-2(lines 281 289) the Hoare annotation is: false [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point L552(lines 551 598) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L853 garLoopResultBuilder]: At program point L321(lines 316 324) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-10-24 11:04:00,148 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:04:00,149 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-10-24 11:04:00,149 INFO L853 garLoopResultBuilder]: At program point L587-1(lines 336 342) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) .cse1)))) [2021-10-24 11:04:00,149 INFO L853 garLoopResultBuilder]: At program point L521(lines 506 524) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32))) [2021-10-24 11:04:00,149 INFO L853 garLoopResultBuilder]: At program point L521-1(lines 506 524) the Hoare annotation is: false [2021-10-24 11:04:00,149 INFO L853 garLoopResultBuilder]: At program point L521-2(lines 506 524) the Hoare annotation is: false [2021-10-24 11:04:00,149 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:04:00,149 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 198) no Hoare annotation was computed. [2021-10-24 11:04:00,149 INFO L857 garLoopResultBuilder]: For program point L194-3(lines 194 198) no Hoare annotation was computed. [2021-10-24 11:04:00,149 INFO L857 garLoopResultBuilder]: For program point L194-6(lines 194 198) no Hoare annotation was computed. [2021-10-24 11:04:00,150 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-24 11:04:00,150 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-24 11:04:00,150 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2021-10-24 11:04:00,150 INFO L857 garLoopResultBuilder]: For program point L394-1(lines 394 411) no Hoare annotation was computed. [2021-10-24 11:04:00,150 INFO L857 garLoopResultBuilder]: For program point L394-2(lines 394 411) no Hoare annotation was computed. [2021-10-24 11:04:00,151 INFO L853 garLoopResultBuilder]: At program point L263(lines 258 266) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse2)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3)))) [2021-10-24 11:04:00,151 INFO L853 garLoopResultBuilder]: At program point L263-1(lines 258 266) the Hoare annotation is: false [2021-10-24 11:04:00,151 INFO L853 garLoopResultBuilder]: At program point L263-2(lines 258 266) the Hoare annotation is: false [2021-10-24 11:04:00,151 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:04:00,151 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2021-10-24 11:04:00,151 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2021-10-24 11:04:00,151 INFO L853 garLoopResultBuilder]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) .cse1)))) [2021-10-24 11:04:00,151 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 178) no Hoare annotation was computed. [2021-10-24 11:04:00,152 INFO L853 garLoopResultBuilder]: At program point L165-1(lines 1 981) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 (_ bv0 32))) .cse1)))) [2021-10-24 11:04:00,152 INFO L857 garLoopResultBuilder]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2021-10-24 11:04:00,152 INFO L853 garLoopResultBuilder]: At program point L165-3(lines 1 981) the Hoare annotation is: false [2021-10-24 11:04:00,152 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-24 11:04:00,152 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 336 342) no Hoare annotation was computed. [2021-10-24 11:04:00,152 INFO L857 garLoopResultBuilder]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2021-10-24 11:04:00,153 INFO L853 garLoopResultBuilder]: At program point L165-5(lines 1 981) the Hoare annotation is: false [2021-10-24 11:04:00,153 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 535) no Hoare annotation was computed. [2021-10-24 11:04:00,153 INFO L853 garLoopResultBuilder]: At program point L529-1(lines 529 535) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:04:00,153 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,154 INFO L857 garLoopResultBuilder]: For program point L496-2(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,154 INFO L857 garLoopResultBuilder]: For program point L496-3(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,154 INFO L857 garLoopResultBuilder]: For program point L496-5(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,154 INFO L857 garLoopResultBuilder]: For program point L496-6(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,154 INFO L857 garLoopResultBuilder]: For program point L496-8(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,154 INFO L857 garLoopResultBuilder]: For program point L496-9(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,154 INFO L857 garLoopResultBuilder]: For program point L496-11(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,155 INFO L857 garLoopResultBuilder]: For program point L496-12(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,155 INFO L857 garLoopResultBuilder]: For program point L496-14(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,155 INFO L857 garLoopResultBuilder]: For program point L496-15(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,155 INFO L857 garLoopResultBuilder]: For program point L496-17(lines 496 500) no Hoare annotation was computed. [2021-10-24 11:04:00,155 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2021-10-24 11:04:00,155 INFO L857 garLoopResultBuilder]: For program point L398-1(lines 398 406) no Hoare annotation was computed. [2021-10-24 11:04:00,157 INFO L857 garLoopResultBuilder]: For program point L398-2(lines 398 406) no Hoare annotation was computed. [2021-10-24 11:04:00,162 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:04:00,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:04:00 BoogieIcfgContainer [2021-10-24 11:04:00,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:04:00,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:04:00,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:04:00,217 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:04:00,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:03:32" (3/4) ... [2021-10-24 11:04:00,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:04:00,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:04:00,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:04:00,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:04:00,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:04:00,252 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:04:00,253 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:04:00,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:04:00,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 11:04:00,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 11:04:00,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 11:04:00,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 11:04:00,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) [2021-10-24 11:04:00,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && 1bv32 == \result) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:00,291 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-24 11:04:00,292 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) [2021-10-24 11:04:00,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:00,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning [2021-10-24 11:04:00,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 [2021-10-24 11:04:00,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 11:04:00,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:04:00,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:04:00,343 INFO L168 Benchmark]: Toolchain (without parser) took 32360.47 ms. Allocated memory was 60.8 MB in the beginning and 125.8 MB in the end (delta: 65.0 MB). Free memory was 38.9 MB in the beginning and 65.7 MB in the end (delta: -26.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:00,344 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:04:00,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.10 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 29.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:00,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.25 ms. Allocated memory is still 60.8 MB. Free memory was 29.8 MB in the beginning and 26.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:00,345 INFO L168 Benchmark]: Boogie Preprocessor took 52.93 ms. Allocated memory is still 60.8 MB. Free memory was 26.1 MB in the beginning and 23.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:00,345 INFO L168 Benchmark]: RCFGBuilder took 3352.82 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 23.3 MB in the beginning and 57.4 MB in the end (delta: -34.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:00,346 INFO L168 Benchmark]: TraceAbstraction took 27995.99 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 56.9 MB in the beginning and 75.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:00,346 INFO L168 Benchmark]: Witness Printer took 125.26 ms. Allocated memory is still 125.8 MB. Free memory was 75.1 MB in the beginning and 65.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:04:00,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 41.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 727.10 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 29.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.25 ms. Allocated memory is still 60.8 MB. Free memory was 29.8 MB in the beginning and 26.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.93 ms. Allocated memory is still 60.8 MB. Free memory was 26.1 MB in the beginning and 23.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3352.82 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 23.3 MB in the beginning and 57.4 MB in the end (delta: -34.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27995.99 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 56.9 MB in the beginning and 75.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * Witness Printer took 125.26 ms. Allocated memory is still 125.8 MB. Free memory was 75.1 MB in the beginning and 65.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 612]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 612]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 612]: 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, 119 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27868.4ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 53.6ms, AutomataDifference: 7257.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 7030.2ms, InitialAbstractionConstructionTime: 18.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1242 SDtfs, 3164 SDslu, 3486 SDs, 0 SdLazy, 755 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4283.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1280 GetRequests, 1154 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 2079.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=10, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 346.7ms AutomataMinimizationTime, 11 MinimizatonAttempts, 2296 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 139 NumberOfFragments, 590 HoareAnnotationTreeSize, 44 FomulaSimplifications, 174296 FormulaSimplificationTreeSizeReduction, 1940.1ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 262870 FormulaSimplificationTreeSizeReductionInter, 5074.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 353.6ms SsaConstructionTime, 1690.6ms SatisfiabilityAnalysisTime, 5003.2ms InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1192 ConstructedInterpolants, 0 QuantifiedInterpolants, 2502 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3324 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 282/350 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: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == tmp) && 1bv32 == \result) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) && tmp___0 == 1bv32 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && !(systemActive == 0bv32)) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 11:04:00,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76336058-bd95-40c0-84f2-702c579f231b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...