./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:01,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:01,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:01,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:01,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:01,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:01,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:01,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:01,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:01,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:01,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:01,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:01,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:01,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:01,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:01,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:01,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:01,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:01,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:01,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:01,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:01,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:01,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:01,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:01,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:01,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:01,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:01,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:01,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:01,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:01,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:01,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:01,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:01,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:01,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:01,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:01,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:01,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:01,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:01,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:01,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:01,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:42:01,929 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:01,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:01,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:01,931 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:01,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:01,932 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:01,932 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:01,932 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:01,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:01,932 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:01,933 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:01,933 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:01,933 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:01,933 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:01,933 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:01,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:01,934 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:01,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:01,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:01,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:01,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:01,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:01,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:01,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:01,936 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:01,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:01,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:01,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:01,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:01,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:01,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:01,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:01,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:01,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:01,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:01,938 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:01,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:01,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:01,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:01,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:01,939 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 [2020-11-28 07:42:02,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:02,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:02,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:02,225 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:02,225 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:02,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-11-28 07:42:02,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/f70617cba/ba22dd651917415f9908c031a6af6042/FLAG00c291d74 [2020-11-28 07:42:02,835 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:02,836 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-11-28 07:42:02,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/f70617cba/ba22dd651917415f9908c031a6af6042/FLAG00c291d74 [2020-11-28 07:42:03,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/f70617cba/ba22dd651917415f9908c031a6af6042 [2020-11-28 07:42:03,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:03,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:03,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:03,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:03,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:03,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:03" (1/1) ... [2020-11-28 07:42:03,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e88b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:03, skipping insertion in model container [2020-11-28 07:42:03,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:03" (1/1) ... [2020-11-28 07:42:03,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:03,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:03,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:03,559 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-28 07:42:03,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a2301aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:03, skipping insertion in model container [2020-11-28 07:42:03,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:03,560 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:42:03,563 INFO L168 Benchmark]: Toolchain (without parser) took 401.82 ms. Allocated memory is still 109.1 MB. Free memory was 75.0 MB in the beginning and 81.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:03,565 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 33.3 MB in the beginning and 33.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:03,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.04 ms. Allocated memory is still 109.1 MB. Free memory was 74.8 MB in the beginning and 81.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:03,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 75.5 MB. Free memory was 33.3 MB in the beginning and 33.3 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 399.04 ms. Allocated memory is still 109.1 MB. Free memory was 74.8 MB in the beginning and 81.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 655]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:05,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:05,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:05,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:05,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:05,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:05,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:05,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:05,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:05,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:05,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:05,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:05,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:05,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:05,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:05,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:05,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:05,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:05,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:05,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:05,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:06,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:06,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:06,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:06,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:06,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:06,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:06,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:06,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:06,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:06,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:06,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:06,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:06,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:06,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:06,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:06,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:06,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:06,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:06,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:06,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:06,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:42:06,087 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:06,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:06,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:06,090 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:06,090 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:06,090 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:06,090 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:06,090 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:06,091 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:06,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:06,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:06,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:06,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:06,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:06,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:06,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:06,094 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:06,095 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:42:06,095 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:42:06,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:06,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:06,095 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:06,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:06,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:06,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:42:06,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:06,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:06,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:06,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:06,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:06,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:06,097 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:42:06,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:42:06,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:06,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:06,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:06,098 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98aa11458fb4d2fb3b93f200d7f1e58878ef4fd5 [2020-11-28 07:42:06,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:06,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:06,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:06,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:06,555 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:06,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-11-28 07:42:06,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/eb8aa964c/f4dc2eb5b677482cbbfd85ca6bf423b9/FLAGd83bc75b0 [2020-11-28 07:42:07,343 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:07,355 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-11-28 07:42:07,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/eb8aa964c/f4dc2eb5b677482cbbfd85ca6bf423b9/FLAGd83bc75b0 [2020-11-28 07:42:07,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/data/eb8aa964c/f4dc2eb5b677482cbbfd85ca6bf423b9 [2020-11-28 07:42:07,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:07,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:07,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:07,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:07,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:07,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f294c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:07, skipping insertion in model container [2020-11-28 07:42:07,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:07" (1/1) ... [2020-11-28 07:42:07,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:07,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:08,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:08,057 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-28 07:42:08,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:08,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:08,148 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:08,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:08,312 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:08,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08 WrapperNode [2020-11-28 07:42:08,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:08,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:08,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:08,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:08,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:08,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:42:08,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:42:08,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:42:08,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... [2020-11-28 07:42:08,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:42:08,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:42:08,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:42:08,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:42:08,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:42:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:42:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:42:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:42:11,400 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:42:11,401 INFO L298 CfgBuilder]: Removed 202 assume(true) statements. [2020-11-28 07:42:11,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:11 BoogieIcfgContainer [2020-11-28 07:42:11,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:42:11,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:42:11,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:42:11,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:42:11,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:07" (1/3) ... [2020-11-28 07:42:11,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ced90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:11, skipping insertion in model container [2020-11-28 07:42:11,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:08" (2/3) ... [2020-11-28 07:42:11,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47ced90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:11, skipping insertion in model container [2020-11-28 07:42:11,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:11" (3/3) ... [2020-11-28 07:42:11,417 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2020-11-28 07:42:11,429 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:42:11,434 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:42:11,447 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:42:11,492 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:42:11,492 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:42:11,492 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:42:11,493 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:42:11,493 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:42:11,493 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:42:11,493 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:42:11,493 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:42:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2020-11-28 07:42:11,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 07:42:11,521 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:11,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:11,522 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:11,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:11,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1591441701, now seen corresponding path program 1 times [2020-11-28 07:42:11,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:11,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711728377] [2020-11-28 07:42:11,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:11,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:42:11,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:11,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711728377] [2020-11-28 07:42:11,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:11,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:42:11,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718620732] [2020-11-28 07:42:12,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:42:12,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:12,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:42:12,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:12,019 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2020-11-28 07:42:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:12,054 INFO L93 Difference]: Finished difference Result 271 states and 404 transitions. [2020-11-28 07:42:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:42:12,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 07:42:12,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:12,068 INFO L225 Difference]: With dead ends: 271 [2020-11-28 07:42:12,068 INFO L226 Difference]: Without dead ends: 133 [2020-11-28 07:42:12,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:42:12,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-28 07:42:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-11-28 07:42:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-11-28 07:42:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-11-28 07:42:12,119 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-11-28 07:42:12,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:12,119 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-11-28 07:42:12,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:42:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-11-28 07:42:12,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 07:42:12,121 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:12,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:12,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,340 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:12,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1656768698, now seen corresponding path program 1 times [2020-11-28 07:42:12,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:12,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428096814] [2020-11-28 07:42:12,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:12,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:12,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:12,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428096814] [2020-11-28 07:42:12,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:12,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:12,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566176513] [2020-11-28 07:42:12,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:12,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:12,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:12,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:12,636 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 4 states. [2020-11-28 07:42:12,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:12,660 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-11-28 07:42:12,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:12,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 07:42:12,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:12,662 INFO L225 Difference]: With dead ends: 133 [2020-11-28 07:42:12,668 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 07:42:12,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:12,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 07:42:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 07:42:12,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 07:42:12,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-28 07:42:12,676 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-11-28 07:42:12,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:12,676 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-28 07:42:12,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-28 07:42:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 07:42:12,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:12,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:12,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:42:12,889 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:12,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:12,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2020-11-28 07:42:12,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:12,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101830041] [2020-11-28 07:42:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:13,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:13,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:13,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:13,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101830041] [2020-11-28 07:42:13,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:13,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-28 07:42:13,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574141784] [2020-11-28 07:42:13,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:13,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:13,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:13,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:13,198 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 4 states. [2020-11-28 07:42:13,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:13,256 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2020-11-28 07:42:13,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:42:13,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-11-28 07:42:13,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:13,260 INFO L225 Difference]: With dead ends: 176 [2020-11-28 07:42:13,260 INFO L226 Difference]: Without dead ends: 127 [2020-11-28 07:42:13,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:13,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-11-28 07:42:13,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2020-11-28 07:42:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-28 07:42:13,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2020-11-28 07:42:13,284 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2020-11-28 07:42:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:13,285 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2020-11-28 07:42:13,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2020-11-28 07:42:13,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:42:13,287 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:13,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:13,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:42:13,512 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:13,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2020-11-28 07:42:13,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:13,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739483577] [2020-11-28 07:42:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:13,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:13,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:13,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:13,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739483577] [2020-11-28 07:42:13,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:13,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-28 07:42:13,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006414619] [2020-11-28 07:42:13,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:42:13,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:13,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:42:13,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:42:13,767 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2020-11-28 07:42:13,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:13,851 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2020-11-28 07:42:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:13,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 07:42:13,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:13,853 INFO L225 Difference]: With dead ends: 163 [2020-11-28 07:42:13,853 INFO L226 Difference]: Without dead ends: 95 [2020-11-28 07:42:13,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:42:13,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-11-28 07:42:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2020-11-28 07:42:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-11-28 07:42:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2020-11-28 07:42:13,873 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2020-11-28 07:42:13,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:13,873 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2020-11-28 07:42:13,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:42:13,874 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2020-11-28 07:42:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 07:42:13,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:13,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:14,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:42:14,092 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:14,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:14,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2020-11-28 07:42:14,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:14,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [173870169] [2020-11-28 07:42:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:14,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:14,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:14,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:14,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:14,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [173870169] [2020-11-28 07:42:14,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:14,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-11-28 07:42:14,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883823500] [2020-11-28 07:42:14,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:42:14,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:14,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:42:14,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:42:14,383 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 8 states. [2020-11-28 07:42:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:14,854 INFO L93 Difference]: Finished difference Result 686 states and 999 transitions. [2020-11-28 07:42:14,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 07:42:14,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-28 07:42:14,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:14,861 INFO L225 Difference]: With dead ends: 686 [2020-11-28 07:42:14,861 INFO L226 Difference]: Without dead ends: 599 [2020-11-28 07:42:14,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-11-28 07:42:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-28 07:42:14,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 231. [2020-11-28 07:42:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-11-28 07:42:14,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2020-11-28 07:42:14,920 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2020-11-28 07:42:14,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:14,920 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2020-11-28 07:42:14,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:42:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2020-11-28 07:42:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 07:42:14,929 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:14,929 INFO L422 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] [2020-11-28 07:42:15,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:42:15,147 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:15,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:15,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1225318219, now seen corresponding path program 1 times [2020-11-28 07:42:15,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:15,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471621136] [2020-11-28 07:42:15,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:15,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:15,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:15,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:15,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471621136] [2020-11-28 07:42:15,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1044771619] [2020-11-28 07:42:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:15,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:15,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 07:42:15,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 07:42:15,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:42:15,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2020-11-28 07:42:15,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804814432] [2020-11-28 07:42:15,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:15,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:15,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:15,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:42:15,683 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 5 states. [2020-11-28 07:42:15,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:15,943 INFO L93 Difference]: Finished difference Result 555 states and 785 transitions. [2020-11-28 07:42:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 07:42:15,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-11-28 07:42:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:15,947 INFO L225 Difference]: With dead ends: 555 [2020-11-28 07:42:15,947 INFO L226 Difference]: Without dead ends: 553 [2020-11-28 07:42:15,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-11-28 07:42:15,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-11-28 07:42:15,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 231. [2020-11-28 07:42:15,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-11-28 07:42:15,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 320 transitions. [2020-11-28 07:42:15,988 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 320 transitions. Word has length 40 [2020-11-28 07:42:15,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:15,988 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 320 transitions. [2020-11-28 07:42:15,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 320 transitions. [2020-11-28 07:42:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 07:42:15,990 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:15,991 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:16,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:16,405 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:16,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:16,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1611363626, now seen corresponding path program 1 times [2020-11-28 07:42:16,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:16,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205498447] [2020-11-28 07:42:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:16,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:16,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:16,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:16,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205498447] [2020-11-28 07:42:16,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1558843704] [2020-11-28 07:42:16,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:16,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:16,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:16,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:16,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:16,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2020-11-28 07:42:16,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2020-11-28 07:42:16,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054108640] [2020-11-28 07:42:16,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:42:16,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:16,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:42:16,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:16,903 INFO L87 Difference]: Start difference. First operand 231 states and 320 transitions. Second operand 3 states. [2020-11-28 07:42:18,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:18,260 INFO L93 Difference]: Finished difference Result 462 states and 640 transitions. [2020-11-28 07:42:18,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:18,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-11-28 07:42:18,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:18,264 INFO L225 Difference]: With dead ends: 462 [2020-11-28 07:42:18,265 INFO L226 Difference]: Without dead ends: 173 [2020-11-28 07:42:18,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:18,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-11-28 07:42:18,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-11-28 07:42:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-11-28 07:42:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 233 transitions. [2020-11-28 07:42:18,291 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 233 transitions. Word has length 51 [2020-11-28 07:42:18,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:18,292 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 233 transitions. [2020-11-28 07:42:18,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:42:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 233 transitions. [2020-11-28 07:42:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 07:42:18,293 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:18,293 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:18,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:18,710 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:18,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:18,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1310370263, now seen corresponding path program 1 times [2020-11-28 07:42:18,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:18,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419180543] [2020-11-28 07:42:18,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:18,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:18,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:18,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:18,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419180543] [2020-11-28 07:42:18,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:18,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-28 07:42:18,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784764855] [2020-11-28 07:42:18,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:42:18,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:18,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:42:18,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:42:18,962 INFO L87 Difference]: Start difference. First operand 173 states and 233 transitions. Second operand 5 states. [2020-11-28 07:42:19,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:19,076 INFO L93 Difference]: Finished difference Result 462 states and 615 transitions. [2020-11-28 07:42:19,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 07:42:19,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-11-28 07:42:19,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:19,078 INFO L225 Difference]: With dead ends: 462 [2020-11-28 07:42:19,078 INFO L226 Difference]: Without dead ends: 295 [2020-11-28 07:42:19,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:19,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-11-28 07:42:19,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2020-11-28 07:42:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-28 07:42:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2020-11-28 07:42:19,106 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 54 [2020-11-28 07:42:19,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:19,106 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2020-11-28 07:42:19,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:42:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2020-11-28 07:42:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 07:42:19,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:19,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:19,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-28 07:42:19,328 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:19,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:19,328 INFO L82 PathProgramCache]: Analyzing trace with hash -933613035, now seen corresponding path program 1 times [2020-11-28 07:42:19,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:19,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195146526] [2020-11-28 07:42:19,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:19,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:42:19,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:19,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:19,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195146526] [2020-11-28 07:42:19,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:19,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-28 07:42:19,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205783165] [2020-11-28 07:42:19,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:42:19,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:19,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:42:19,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:42:19,543 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand 6 states. [2020-11-28 07:42:19,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:19,651 INFO L93 Difference]: Finished difference Result 426 states and 559 transitions. [2020-11-28 07:42:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:42:19,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-11-28 07:42:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:19,653 INFO L225 Difference]: With dead ends: 426 [2020-11-28 07:42:19,653 INFO L226 Difference]: Without dead ends: 244 [2020-11-28 07:42:19,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:42:19,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-28 07:42:19,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2020-11-28 07:42:19,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-11-28 07:42:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 204 transitions. [2020-11-28 07:42:19,673 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 204 transitions. Word has length 54 [2020-11-28 07:42:19,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:19,673 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 204 transitions. [2020-11-28 07:42:19,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:42:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 204 transitions. [2020-11-28 07:42:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 07:42:19,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:19,675 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:19,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-28 07:42:19,888 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:19,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:19,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1278005039, now seen corresponding path program 1 times [2020-11-28 07:42:19,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:19,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669958628] [2020-11-28 07:42:19,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:20,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 07:42:20,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 07:42:20,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:20,197 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-28 07:42:20,204 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 07:42:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:20,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669958628] [2020-11-28 07:42:20,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [459532818] [2020-11-28 07:42:20,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:42:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:20,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 07:42:20,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:20,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:20,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639296184] [2020-11-28 07:42:20,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:42:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:20,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 07:42:20,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:20,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 07:42:20,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-11-28 07:42:20,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5, 5] total 12 [2020-11-28 07:42:20,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530781717] [2020-11-28 07:42:20,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-28 07:42:20,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:20,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-28 07:42:20,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-28 07:42:20,767 INFO L87 Difference]: Start difference. First operand 158 states and 204 transitions. Second operand 13 states. [2020-11-28 07:42:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:24,144 INFO L93 Difference]: Finished difference Result 1916 states and 2527 transitions. [2020-11-28 07:42:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-28 07:42:24,144 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2020-11-28 07:42:24,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:24,152 INFO L225 Difference]: With dead ends: 1916 [2020-11-28 07:42:24,152 INFO L226 Difference]: Without dead ends: 1788 [2020-11-28 07:42:24,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 309 SyntacticMatches, 5 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2087 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1053, Invalid=4647, Unknown=0, NotChecked=0, Total=5700 [2020-11-28 07:42:24,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2020-11-28 07:42:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 283. [2020-11-28 07:42:24,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-11-28 07:42:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 370 transitions. [2020-11-28 07:42:24,210 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 370 transitions. Word has length 55 [2020-11-28 07:42:24,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:24,210 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 370 transitions. [2020-11-28 07:42:24,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-28 07:42:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 370 transitions. [2020-11-28 07:42:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 07:42:24,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:24,212 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:24,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3,14 cvc4 --incremental --print-success --lang smt --rewrite-divk,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:42:24,826 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:24,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:24,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1709321362, now seen corresponding path program 1 times [2020-11-28 07:42:24,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:24,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1719442715] [2020-11-28 07:42:24,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:25,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 07:42:25,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 07:42:25,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:25,119 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 07:42:25,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1719442715] [2020-11-28 07:42:25,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:25,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 07:42:25,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408515848] [2020-11-28 07:42:25,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:42:25,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:25,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:42:25,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:42:25,122 INFO L87 Difference]: Start difference. First operand 283 states and 370 transitions. Second operand 8 states. [2020-11-28 07:42:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:25,218 INFO L93 Difference]: Finished difference Result 456 states and 585 transitions. [2020-11-28 07:42:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:42:25,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 76 [2020-11-28 07:42:25,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:25,219 INFO L225 Difference]: With dead ends: 456 [2020-11-28 07:42:25,219 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:42:25,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 07:42:25,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:42:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:42:25,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:42:25,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:42:25,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-11-28 07:42:25,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:25,223 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:42:25,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:42:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:42:25,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:42:25,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-11-28 07:42:25,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:42:25,754 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2020-11-28 07:42:25,948 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 133 [2020-11-28 07:42:26,071 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2020-11-28 07:42:26,310 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2020-11-28 07:42:26,585 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 133 [2020-11-28 07:42:26,797 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 134 [2020-11-28 07:42:26,978 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 132 [2020-11-28 07:42:27,884 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2020-11-28 07:42:28,925 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-28 07:42:29,644 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 30 [2020-11-28 07:42:30,091 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-11-28 07:42:30,251 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-11-28 07:42:31,277 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-28 07:42:31,606 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 28 [2020-11-28 07:42:31,799 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 15 [2020-11-28 07:42:32,682 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2020-11-28 07:42:32,888 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 15 [2020-11-28 07:42:33,889 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2020-11-28 07:42:34,810 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 28 [2020-11-28 07:42:34,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:34,814 INFO L270 CegarLoopResult]: At program point L399(lines 384 402) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:34,814 INFO L270 CegarLoopResult]: At program point L399-1(lines 384 402) the Hoare annotation is: false [2020-11-28 07:42:34,814 INFO L270 CegarLoopResult]: At program point L399-2(lines 384 402) the Hoare annotation is: false [2020-11-28 07:42:34,814 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:42:34,814 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:42:34,814 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:42:34,814 INFO L274 CegarLoopResult]: For program point L598(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:34,814 INFO L274 CegarLoopResult]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L274 CegarLoopResult]: For program point L598-2(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L274 CegarLoopResult]: For program point L598-3(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L274 CegarLoopResult]: For program point L598-4(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L274 CegarLoopResult]: For program point L598-5(lines 598 604) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L274 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L274 CegarLoopResult]: For program point L434-1(lines 196 202) no Hoare annotation was computed. [2020-11-28 07:42:34,815 INFO L270 CegarLoopResult]: At program point L203(lines 203 209) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (not .cse4)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32)))) (and (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse4)))) [2020-11-28 07:42:34,815 INFO L270 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2020-11-28 07:42:34,815 INFO L270 CegarLoopResult]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2020-11-28 07:42:34,816 INFO L274 CegarLoopResult]: For program point L501(lines 501 508) no Hoare annotation was computed. [2020-11-28 07:42:34,816 INFO L277 CegarLoopResult]: At program point L501-1(lines 501 508) the Hoare annotation is: true [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L172(lines 123 173) the Hoare annotation is: false [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L603(lines 594 607) the Hoare annotation is: false [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L603-1(lines 594 607) 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 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L603-2(lines 594 607) the Hoare annotation is: false [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L603-3(lines 594 607) the Hoare annotation is: false [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L603-4(lines 594 607) the Hoare annotation is: false [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L603-5(lines 594 607) the Hoare annotation is: false [2020-11-28 07:42:34,816 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L270 CegarLoopResult]: At program point L407-1(lines 407 413) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-9(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-11(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,817 INFO L274 CegarLoopResult]: For program point L374-12(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,818 INFO L274 CegarLoopResult]: For program point L374-14(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,818 INFO L274 CegarLoopResult]: For program point L374-15(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,818 INFO L274 CegarLoopResult]: For program point L374-17(lines 374 378) no Hoare annotation was computed. [2020-11-28 07:42:34,818 INFO L274 CegarLoopResult]: For program point L144(lines 144 150) no Hoare annotation was computed. [2020-11-28 07:42:34,818 INFO L270 CegarLoopResult]: At program point L144-1(lines 144 150) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-28 07:42:34,818 INFO L277 CegarLoopResult]: At program point L510(lines 491 513) the Hoare annotation is: true [2020-11-28 07:42:34,818 INFO L270 CegarLoopResult]: At program point L478(lines 474 480) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:34,818 INFO L274 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-11-28 07:42:34,818 INFO L270 CegarLoopResult]: At program point L380(lines 365 383) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L380-1(lines 365 383) 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 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))))) [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L380-3(lines 365 383) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L380-4(lines 365 383) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L380-5(lines 365 383) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L613(lines 608 616) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L613-1(lines 608 616) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L613-2(lines 608 616) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L316(lines 309 319) the Hoare annotation is: false [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L316-1(lines 309 319) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2020-11-28 07:42:34,819 INFO L270 CegarLoopResult]: At program point L316-2(lines 309 319) the Hoare annotation is: false [2020-11-28 07:42:34,820 INFO L270 CegarLoopResult]: At program point L316-3(lines 309 319) the Hoare annotation is: false [2020-11-28 07:42:34,820 INFO L270 CegarLoopResult]: At program point L316-4(lines 309 319) the Hoare annotation is: false [2020-11-28 07:42:34,820 INFO L270 CegarLoopResult]: At program point L316-5(lines 309 319) the Hoare annotation is: false [2020-11-28 07:42:34,820 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:42:34,820 INFO L274 CegarLoopResult]: For program point L154(lines 154 167) no Hoare annotation was computed. [2020-11-28 07:42:34,820 INFO L274 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-11-28 07:42:34,820 INFO L274 CegarLoopResult]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2020-11-28 07:42:34,820 INFO L274 CegarLoopResult]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2020-11-28 07:42:34,820 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:42:34,820 INFO L274 CegarLoopResult]: For program point L91(lines 91 104) no Hoare annotation was computed. [2020-11-28 07:42:34,820 INFO L270 CegarLoopResult]: At program point L91-1(lines 1 991) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43)))) (and .cse0 .cse2 .cse3)))) [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L270 CegarLoopResult]: At program point L91-3(lines 1 991) the Hoare annotation is: false [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L270 CegarLoopResult]: At program point L91-5(lines 1 991) the Hoare annotation is: false [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L521-3(lines 521 525) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L521-6(lines 521 525) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L125(lines 124 171) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L291-2(lines 291 297) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2020-11-28 07:42:34,821 INFO L274 CegarLoopResult]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L291-4(lines 291 297) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L291-6(lines 291 297) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L291-8(lines 291 297) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L291-10(lines 291 297) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L274 CegarLoopResult]: For program point L622-2(line 622) no Hoare annotation was computed. [2020-11-28 07:42:34,822 INFO L270 CegarLoopResult]: At program point L325(lines 320 328) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv0 32))) [2020-11-28 07:42:34,822 INFO L270 CegarLoopResult]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2020-11-28 07:42:34,822 INFO L270 CegarLoopResult]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2020-11-28 07:42:34,823 INFO L274 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-11-28 07:42:34,823 INFO L270 CegarLoopResult]: At program point L160-1(lines 196 202) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-28 07:42:34,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:42:34,823 INFO L270 CegarLoopResult]: At program point L590(lines 585 593) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43)))) (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse2 .cse3)))) [2020-11-28 07:42:34,823 INFO L270 CegarLoopResult]: At program point L590-1(lines 585 593) the Hoare annotation is: false [2020-11-28 07:42:34,823 INFO L270 CegarLoopResult]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2020-11-28 07:42:34,823 INFO L274 CegarLoopResult]: For program point L95(lines 95 101) no Hoare annotation was computed. [2020-11-28 07:42:34,823 INFO L274 CegarLoopResult]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2020-11-28 07:42:34,823 INFO L274 CegarLoopResult]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2020-11-28 07:42:34,823 INFO L270 CegarLoopResult]: At program point L558(lines 553 561) the Hoare annotation is: false [2020-11-28 07:42:34,824 INFO L270 CegarLoopResult]: At program point L558-1(lines 553 561) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2020-11-28 07:42:34,824 INFO L270 CegarLoopResult]: At program point L558-2(lines 553 561) the Hoare annotation is: false [2020-11-28 07:42:34,824 INFO L270 CegarLoopResult]: At program point L558-3(lines 553 561) the Hoare annotation is: false [2020-11-28 07:42:34,824 INFO L270 CegarLoopResult]: At program point L558-4(lines 553 561) the Hoare annotation is: false [2020-11-28 07:42:34,824 INFO L274 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-11-28 07:42:34,824 INFO L270 CegarLoopResult]: At program point L558-5(lines 553 561) the Hoare annotation is: false [2020-11-28 07:42:34,824 INFO L274 CegarLoopResult]: For program point L393-2(lines 393 397) no Hoare annotation was computed. [2020-11-28 07:42:34,824 INFO L274 CegarLoopResult]: For program point L393-3(lines 393 397) no Hoare annotation was computed. [2020-11-28 07:42:34,824 INFO L274 CegarLoopResult]: For program point L228(lines 228 245) no Hoare annotation was computed. [2020-11-28 07:42:34,827 INFO L274 CegarLoopResult]: For program point L393-5(lines 393 397) no Hoare annotation was computed. [2020-11-28 07:42:34,827 INFO L274 CegarLoopResult]: For program point L228-1(lines 228 245) no Hoare annotation was computed. [2020-11-28 07:42:34,827 INFO L274 CegarLoopResult]: For program point L393-6(lines 393 397) no Hoare annotation was computed. [2020-11-28 07:42:34,827 INFO L274 CegarLoopResult]: For program point L228-2(lines 228 245) no Hoare annotation was computed. [2020-11-28 07:42:34,827 INFO L274 CegarLoopResult]: For program point L228-3(lines 228 245) no Hoare annotation was computed. [2020-11-28 07:42:34,827 INFO L274 CegarLoopResult]: For program point L393-8(lines 393 397) no Hoare annotation was computed. [2020-11-28 07:42:34,828 INFO L274 CegarLoopResult]: For program point L228-4(lines 228 245) no Hoare annotation was computed. [2020-11-28 07:42:34,828 INFO L274 CegarLoopResult]: For program point L228-5(lines 228 245) no Hoare annotation was computed. [2020-11-28 07:42:34,828 INFO L270 CegarLoopResult]: At program point L196(lines 195 214) 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 (not .cse4)) (.cse2 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse4) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))))))) [2020-11-28 07:42:34,828 INFO L274 CegarLoopResult]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2020-11-28 07:42:34,828 INFO L270 CegarLoopResult]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2020-11-28 07:42:34,828 INFO L270 CegarLoopResult]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2020-11-28 07:42:34,829 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:42:34,829 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:42:34,829 INFO L270 CegarLoopResult]: At program point L430-2(lines 430 444) the Hoare annotation is: false [2020-11-28 07:42:34,829 INFO L274 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-11-28 07:42:34,829 INFO L274 CegarLoopResult]: For program point L232-1(lines 232 240) no Hoare annotation was computed. [2020-11-28 07:42:34,829 INFO L274 CegarLoopResult]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2020-11-28 07:42:34,829 INFO L274 CegarLoopResult]: For program point L232-3(lines 232 240) no Hoare annotation was computed. [2020-11-28 07:42:34,830 INFO L274 CegarLoopResult]: For program point L232-4(lines 232 240) no Hoare annotation was computed. [2020-11-28 07:42:34,830 INFO L270 CegarLoopResult]: At program point L67(lines 1 991) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-28 07:42:34,830 INFO L274 CegarLoopResult]: For program point L232-5(lines 232 240) no Hoare annotation was computed. [2020-11-28 07:42:34,830 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 07:42:34,830 INFO L274 CegarLoopResult]: For program point L134(lines 134 140) no Hoare annotation was computed. [2020-11-28 07:42:34,830 INFO L270 CegarLoopResult]: At program point L134-1(lines 134 140) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse4)) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))) (exists ((v_~waterLevel~0_43 (_ BitVec 32))) (and (= (_ bv1 32) v_~waterLevel~0_43) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) v_~waterLevel~0_43)))) (and .cse0 .cse1 .cse3 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse2 .cse4)))) [2020-11-28 07:42:34,840 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,844 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,846 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,847 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:34,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:42:34 BoogieIcfgContainer [2020-11-28 07:42:34,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:42:34,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:42:34,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:42:34,880 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:42:34,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:11" (3/4) ... [2020-11-28 07:42:34,883 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:42:34,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 07:42:34,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 07:42:34,917 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 07:42:34,918 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:42:34,919 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:42:34,921 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:34,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:34,953 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:34,954 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:34,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:34,955 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:34,956 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) [2020-11-28 07:42:34,956 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:34,959 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) [2020-11-28 07:42:34,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32 [2020-11-28 07:42:34,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2020-11-28 07:42:34,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 [2020-11-28 07:42:34,966 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2020-11-28 07:42:34,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2020-11-28 07:42:35,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4dd8bf2a-1f1f-47f1-bb60-354cf6d13eb4/bin/utaipan/witness.graphml [2020-11-28 07:42:35,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:42:35,073 INFO L168 Benchmark]: Toolchain (without parser) took 27444.55 ms. Allocated memory was 50.3 MB in the beginning and 157.3 MB in the end (delta: 107.0 MB). Free memory was 26.7 MB in the beginning and 89.7 MB in the end (delta: -63.0 MB). Peak memory consumption was 45.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:35,073 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 50.3 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:35,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.03 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.5 MB in the beginning and 34.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:35,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.87 ms. Allocated memory is still 60.8 MB. Free memory was 34.8 MB in the beginning and 30.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:35,075 INFO L168 Benchmark]: Boogie Preprocessor took 63.38 ms. Allocated memory is still 60.8 MB. Free memory was 30.9 MB in the beginning and 27.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:35,075 INFO L168 Benchmark]: RCFGBuilder took 2954.93 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.8 MB in the beginning and 41.0 MB in the end (delta: -13.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:35,076 INFO L168 Benchmark]: TraceAbstraction took 23471.77 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 41.0 MB in the beginning and 101.2 MB in the end (delta: -60.2 MB). Peak memory consumption was 86.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:35,076 INFO L168 Benchmark]: Witness Printer took 192.10 ms. Allocated memory is still 157.3 MB. Free memory was 101.2 MB in the beginning and 89.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:35,079 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 50.3 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 676.03 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.5 MB in the beginning and 34.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.87 ms. Allocated memory is still 60.8 MB. Free memory was 34.8 MB in the beginning and 30.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.38 ms. Allocated memory is still 60.8 MB. Free memory was 30.9 MB in the beginning and 27.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2954.93 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 27.8 MB in the beginning and 41.0 MB in the end (delta: -13.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23471.77 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 41.0 MB in the beginning and 101.2 MB in the end (delta: -60.2 MB). Peak memory consumption was 86.7 MB. Max. memory is 16.1 GB. * Witness Printer took 192.10 ms. Allocated memory is still 157.3 MB. Free memory was 101.2 MB in the beginning and 89.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant [2020-11-28 07:42:35,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant [2020-11-28 07:42:35,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && systemActive == 0bv32 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && tmp == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 144]: Loop Invariant [2020-11-28 07:42:35,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,106 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,107 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant [2020-11-28 07:42:35,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,108 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result)) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant [2020-11-28 07:42:35,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] [2020-11-28 07:42:35,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~waterLevel~0_43,QUANTIFIED] Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && !(tmp == 0bv32)) && (\exists v_~waterLevel~0_43 : bv32 :: 1bv32 == v_~waterLevel~0_43 && ~bvadd64(waterLevel, 4294967295bv32) == v_~waterLevel~0_43))) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) || (((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && systemActive == 0bv32)) || ((((!(0bv32 == \result) && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 140 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1384 SDtfs, 3473 SDslu, 4062 SDs, 0 SdLazy, 806 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1329 GetRequests, 1197 SyntacticMatches, 5 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2132 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 2443 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 155 NumberOfFragments, 748 HoareAnnotationTreeSize, 56 FomulaSimplifications, 46495 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 439557 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1240 ConstructedInterpolants, 1 QuantifiedInterpolants, 156031 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3372 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...