./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.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_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f ............................................................................................................................................ 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_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:59:23,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:23,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:23,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:23,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:23,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:23,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:23,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:24,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:24,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:24,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:24,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:24,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:24,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:24,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:24,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:24,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:24,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:24,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:24,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:24,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:24,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:24,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:24,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:24,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:24,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:24,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:24,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:24,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:24,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:24,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:24,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:24,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:24,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:24,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:24,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:24,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:24,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:24,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:24,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:24,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:24,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:59:24,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:24,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:24,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:24,093 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:24,094 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:24,094 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:24,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:59:24,094 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:24,094 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:24,095 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:59:24,096 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:59:24,096 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:24,096 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:59:24,096 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:59:24,096 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:59:24,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:24,098 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:24,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:59:24,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:24,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:24,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:24,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:24,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:24,099 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:24,099 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:24,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:24,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:24,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:24,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:24,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:24,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:24,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:24,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:24,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:24,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:24,103 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:59:24,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:59:24,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:24,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:24,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:24,104 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_43633364-c016-44a4-aada-e9d3bcec3a5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f [2020-11-22 12:59:24,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:24,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:24,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:24,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:24,422 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:24,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-11-22 12:59:24,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/2c14b483a/fdacf5e96bfb42bd8732587a9b577f82/FLAGbd2a0ec78 [2020-11-22 12:59:25,000 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:25,005 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-11-22 12:59:25,019 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/2c14b483a/fdacf5e96bfb42bd8732587a9b577f82/FLAGbd2a0ec78 [2020-11-22 12:59:25,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/2c14b483a/fdacf5e96bfb42bd8732587a9b577f82 [2020-11-22 12:59:25,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:25,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:25,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:25,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:25,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:25,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:25" (1/1) ... [2020-11-22 12:59:25,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e217377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:25, skipping insertion in model container [2020-11-22 12:59:25,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:25" (1/1) ... [2020-11-22 12:59:25,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:25,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:25,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:25,879 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) [2020-11-22 12:59:25,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79312096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:25, skipping insertion in model container [2020-11-22 12:59:25,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:25,882 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 12:59:25,885 INFO L168 Benchmark]: Toolchain (without parser) took 552.69 ms. Allocated memory is still 100.7 MB. Free memory was 62.6 MB in the beginning and 73.8 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:25,886 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:25,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.05 ms. Allocated memory is still 100.7 MB. Free memory was 62.4 MB in the beginning and 73.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:25,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.05 ms. Allocated memory is still 100.7 MB. Free memory was 62.4 MB in the beginning and 73.8 MB in the end (delta: -11.4 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: 614]: 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 [2020-11-22 12:59:28,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:59:28,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:59:28,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:59:28,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:59:28,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:59:28,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:59:28,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:59:28,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:59:28,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:59:28,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:59:28,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:59:28,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:59:28,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:59:28,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:59:28,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:59:28,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:59:28,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:59:28,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:59:28,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:59:28,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:59:28,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:59:28,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:59:28,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:59:28,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:59:28,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:59:28,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:59:28,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:59:28,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:59:28,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:59:28,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:59:28,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:59:28,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:59:28,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:59:28,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:59:28,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:59:28,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:59:28,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:59:28,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:59:28,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:59:28,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:59:28,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:59:28,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:59:28,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:59:28,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:59:28,318 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:59:28,319 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:59:28,319 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:59:28,319 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:59:28,319 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:59:28,320 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:59:28,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:59:28,322 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:59:28,322 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:59:28,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:59:28,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:59:28,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:59:28,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:59:28,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:59:28,324 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:59:28,324 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:59:28,324 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:59:28,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:59:28,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:59:28,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:59:28,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:59:28,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:59:28,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:59:28,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:59:28,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:59:28,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:59:28,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:59:28,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:59:28,327 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:59:28,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:59:28,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:59:28,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:59:28,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:59:28,328 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_43633364-c016-44a4-aada-e9d3bcec3a5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa8aab7b4d1dbf3ce64147abb8b13f1152d3986f [2020-11-22 12:59:28,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:59:28,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:59:28,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:59:28,738 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:59:28,738 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:59:28,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-11-22 12:59:28,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/01fab88e6/13c93547f5084646a272e1a36ecd63b1/FLAGebd57f4c4 [2020-11-22 12:59:29,403 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:59:29,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2020-11-22 12:59:29,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/01fab88e6/13c93547f5084646a272e1a36ecd63b1/FLAGebd57f4c4 [2020-11-22 12:59:29,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/data/01fab88e6/13c93547f5084646a272e1a36ecd63b1 [2020-11-22 12:59:29,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:59:29,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:59:29,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:29,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:59:29,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:59:29,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:29" (1/1) ... [2020-11-22 12:59:29,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27074274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:29, skipping insertion in model container [2020-11-22 12:59:29,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:59:29" (1/1) ... [2020-11-22 12:59:29,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:59:29,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:30,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,122 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-22 12:59:30,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:59:30,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,228 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:59:30,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:59:30,343 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:59:30,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30 WrapperNode [2020-11-22 12:59:30,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:59:30,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:30,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:59:30,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:59:30,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:59:30,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:59:30,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:59:30,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:59:30,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... [2020-11-22 12:59:30,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:59:30,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:59:30,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:59:30,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:59:30,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:59:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:59:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:59:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:59:33,238 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:59:33,239 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-22 12:59:33,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33 BoogieIcfgContainer [2020-11-22 12:59:33,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:59:33,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:59:33,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:59:33,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:59:33,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:59:29" (1/3) ... [2020-11-22 12:59:33,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256ef948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:33, skipping insertion in model container [2020-11-22 12:59:33,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:59:30" (2/3) ... [2020-11-22 12:59:33,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256ef948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:59:33, skipping insertion in model container [2020-11-22 12:59:33,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33" (3/3) ... [2020-11-22 12:59:33,249 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-11-22 12:59:33,260 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:59:33,264 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-22 12:59:33,276 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 12:59:33,300 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:59:33,300 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:59:33,301 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:59:33,301 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:59:33,301 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:59:33,301 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:59:33,301 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:59:33,301 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:59:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2020-11-22 12:59:33,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-22 12:59:33,322 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:33,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:33,323 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:33,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:33,329 INFO L82 PathProgramCache]: Analyzing trace with hash -561284764, now seen corresponding path program 1 times [2020-11-22 12:59:33,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:33,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580860583] [2020-11-22 12:59:33,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:33,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:59:33,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:33,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:33,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580860583] [2020-11-22 12:59:33,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:33,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:59:33,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822605684] [2020-11-22 12:59:33,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:59:33,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:33,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:59:33,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:33,697 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2020-11-22 12:59:33,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:33,752 INFO L93 Difference]: Finished difference Result 226 states and 345 transitions. [2020-11-22 12:59:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:59:33,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-22 12:59:33,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:33,763 INFO L225 Difference]: With dead ends: 226 [2020-11-22 12:59:33,763 INFO L226 Difference]: Without dead ends: 111 [2020-11-22 12:59:33,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:59:33,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-22 12:59:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-22 12:59:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-22 12:59:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2020-11-22 12:59:33,807 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2020-11-22 12:59:33,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:33,808 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2020-11-22 12:59:33,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:59:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2020-11-22 12:59:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-22 12:59:33,809 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:33,809 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:34,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:59:34,034 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:34,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:34,035 INFO L82 PathProgramCache]: Analyzing trace with hash -780120733, now seen corresponding path program 1 times [2020-11-22 12:59:34,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:34,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548662153] [2020-11-22 12:59:34,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:34,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:34,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548662153] [2020-11-22 12:59:34,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:34,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:34,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036710211] [2020-11-22 12:59:34,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:34,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:34,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:34,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,259 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand 4 states. [2020-11-22 12:59:34,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:34,274 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2020-11-22 12:59:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:34,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-11-22 12:59:34,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:34,276 INFO L225 Difference]: With dead ends: 111 [2020-11-22 12:59:34,276 INFO L226 Difference]: Without dead ends: 47 [2020-11-22 12:59:34,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-22 12:59:34,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-22 12:59:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-22 12:59:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-11-22 12:59:34,283 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-11-22 12:59:34,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:34,283 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-11-22 12:59:34,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-11-22 12:59:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-22 12:59:34,284 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:34,285 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] [2020-11-22 12:59:34,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:59:34,499 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:34,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:34,500 INFO L82 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2020-11-22 12:59:34,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:34,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110749767] [2020-11-22 12:59:34,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:34,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:34,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:34,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110749767] [2020-11-22 12:59:34,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:34,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:34,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206708686] [2020-11-22 12:59:34,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:34,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:34,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:34,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,705 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 4 states. [2020-11-22 12:59:34,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:34,742 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2020-11-22 12:59:34,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:34,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-11-22 12:59:34,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:34,744 INFO L225 Difference]: With dead ends: 87 [2020-11-22 12:59:34,744 INFO L226 Difference]: Without dead ends: 47 [2020-11-22 12:59:34,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:34,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-22 12:59:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-22 12:59:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-22 12:59:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-22 12:59:34,756 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-11-22 12:59:34,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:34,757 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-22 12:59:34,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-22 12:59:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-22 12:59:34,758 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:34,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:34,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:59:34,966 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:34,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:34,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2020-11-22 12:59:34,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:34,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141940613] [2020-11-22 12:59:34,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:35,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:35,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:35,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:35,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141940613] [2020-11-22 12:59:35,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:35,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:59:35,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286625842] [2020-11-22 12:59:35,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:35,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:35,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:35,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:35,175 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-22 12:59:35,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:35,249 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2020-11-22 12:59:35,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:35,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-22 12:59:35,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:35,251 INFO L225 Difference]: With dead ends: 109 [2020-11-22 12:59:35,251 INFO L226 Difference]: Without dead ends: 69 [2020-11-22 12:59:35,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:35,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-22 12:59:35,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2020-11-22 12:59:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-22 12:59:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2020-11-22 12:59:35,271 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2020-11-22 12:59:35,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:35,271 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2020-11-22 12:59:35,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-11-22 12:59:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-22 12:59:35,274 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:35,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:35,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 12:59:35,492 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:35,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:35,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2020-11-22 12:59:35,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:35,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153130645] [2020-11-22 12:59:35,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:35,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:35,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:35,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:35,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153130645] [2020-11-22 12:59:35,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:35,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-22 12:59:35,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857547541] [2020-11-22 12:59:35,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:35,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:35,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:35,721 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand 5 states. [2020-11-22 12:59:35,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:35,865 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2020-11-22 12:59:35,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-22 12:59:35,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-22 12:59:35,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:35,868 INFO L225 Difference]: With dead ends: 313 [2020-11-22 12:59:35,868 INFO L226 Difference]: Without dead ends: 253 [2020-11-22 12:59:35,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:35,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-11-22 12:59:35,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2020-11-22 12:59:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-22 12:59:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2020-11-22 12:59:35,911 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2020-11-22 12:59:35,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:35,912 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2020-11-22 12:59:35,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-11-22 12:59:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:59:35,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:35,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:36,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-22 12:59:36,120 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:36,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:36,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2020-11-22 12:59:36,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:36,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151153556] [2020-11-22 12:59:36,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:36,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:36,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:36,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:36,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151153556] [2020-11-22 12:59:36,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:36,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:59:36,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314515619] [2020-11-22 12:59:36,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:36,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:36,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:36,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:36,383 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 5 states. [2020-11-22 12:59:36,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:36,580 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2020-11-22 12:59:36,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-22 12:59:36,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 12:59:36,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:36,583 INFO L225 Difference]: With dead ends: 436 [2020-11-22 12:59:36,583 INFO L226 Difference]: Without dead ends: 324 [2020-11-22 12:59:36,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:59:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-11-22 12:59:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2020-11-22 12:59:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-22 12:59:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2020-11-22 12:59:36,603 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2020-11-22 12:59:36,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:36,605 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2020-11-22 12:59:36,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2020-11-22 12:59:36,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:59:36,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:36,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:36,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-22 12:59:36,836 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:36,836 INFO L82 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2020-11-22 12:59:36,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:36,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106343433] [2020-11-22 12:59:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:37,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-22 12:59:37,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:37,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:37,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106343433] [2020-11-22 12:59:37,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:37,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-22 12:59:37,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37638253] [2020-11-22 12:59:37,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-22 12:59:37,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:37,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-22 12:59:37,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-22 12:59:37,078 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand 5 states. [2020-11-22 12:59:37,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:37,169 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2020-11-22 12:59:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-22 12:59:37,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-22 12:59:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:37,171 INFO L225 Difference]: With dead ends: 315 [2020-11-22 12:59:37,171 INFO L226 Difference]: Without dead ends: 204 [2020-11-22 12:59:37,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:59:37,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-11-22 12:59:37,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2020-11-22 12:59:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-22 12:59:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2020-11-22 12:59:37,187 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2020-11-22 12:59:37,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:37,187 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2020-11-22 12:59:37,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-22 12:59:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2020-11-22 12:59:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:59:37,188 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:37,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:37,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-22 12:59:37,406 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:37,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:37,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2020-11-22 12:59:37,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:37,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011710077] [2020-11-22 12:59:37,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:37,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-22 12:59:37,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:37,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:37,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011710077] [2020-11-22 12:59:37,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:37,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-22 12:59:37,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656833813] [2020-11-22 12:59:37,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-22 12:59:37,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:37,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-22 12:59:37,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-22 12:59:37,669 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand 6 states. [2020-11-22 12:59:37,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:37,767 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2020-11-22 12:59:37,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:59:37,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-22 12:59:37,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:37,770 INFO L225 Difference]: With dead ends: 349 [2020-11-22 12:59:37,770 INFO L226 Difference]: Without dead ends: 226 [2020-11-22 12:59:37,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-22 12:59:37,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-11-22 12:59:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2020-11-22 12:59:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-22 12:59:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2020-11-22 12:59:37,800 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2020-11-22 12:59:37,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:37,800 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2020-11-22 12:59:37,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-22 12:59:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2020-11-22 12:59:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-22 12:59:37,803 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:37,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:38,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-22 12:59:38,016 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:38,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:38,017 INFO L82 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2020-11-22 12:59:38,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:38,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475229055] [2020-11-22 12:59:38,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-22 12:59:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:38,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:38,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:38,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:38,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475229055] [2020-11-22 12:59:38,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:38,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-11-22 12:59:38,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670354535] [2020-11-22 12:59:38,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:38,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:38,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:38,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:38,237 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand 4 states. [2020-11-22 12:59:38,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:38,340 INFO L93 Difference]: Finished difference Result 422 states and 569 transitions. [2020-11-22 12:59:38,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 12:59:38,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-11-22 12:59:38,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:38,343 INFO L225 Difference]: With dead ends: 422 [2020-11-22 12:59:38,343 INFO L226 Difference]: Without dead ends: 291 [2020-11-22 12:59:38,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-11-22 12:59:38,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 239. [2020-11-22 12:59:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-11-22 12:59:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2020-11-22 12:59:38,372 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 33 [2020-11-22 12:59:38,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:38,372 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2020-11-22 12:59:38,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2020-11-22 12:59:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-22 12:59:38,373 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:38,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:38,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-22 12:59:38,595 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:38,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:38,595 INFO L82 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2020-11-22 12:59:38,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:38,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458813706] [2020-11-22 12:59:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:38,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:38,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:38,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:38,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458813706] [2020-11-22 12:59:38,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:38,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 12:59:38,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025799046] [2020-11-22 12:59:38,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 12:59:38,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:38,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 12:59:38,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:38,818 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand 3 states. [2020-11-22 12:59:38,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:38,901 INFO L93 Difference]: Finished difference Result 407 states and 540 transitions. [2020-11-22 12:59:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:38,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-22 12:59:38,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:38,905 INFO L225 Difference]: With dead ends: 407 [2020-11-22 12:59:38,905 INFO L226 Difference]: Without dead ends: 405 [2020-11-22 12:59:38,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 12:59:38,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-11-22 12:59:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 304. [2020-11-22 12:59:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-11-22 12:59:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 414 transitions. [2020-11-22 12:59:38,949 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 414 transitions. Word has length 34 [2020-11-22 12:59:38,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:38,949 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 414 transitions. [2020-11-22 12:59:38,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 12:59:38,950 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 414 transitions. [2020-11-22 12:59:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-22 12:59:38,951 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:38,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:39,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-22 12:59:39,168 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:39,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:39,168 INFO L82 PathProgramCache]: Analyzing trace with hash 771545206, now seen corresponding path program 1 times [2020-11-22 12:59:39,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:39,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759522012] [2020-11-22 12:59:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:39,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-22 12:59:39,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:59:39,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-22 12:59:39,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759522012] [2020-11-22 12:59:39,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:39,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-22 12:59:39,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838496842] [2020-11-22 12:59:39,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-22 12:59:39,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:39,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-22 12:59:39,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:59:39,481 INFO L87 Difference]: Start difference. First operand 304 states and 414 transitions. Second operand 10 states. [2020-11-22 12:59:42,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:42,339 INFO L93 Difference]: Finished difference Result 978 states and 1319 transitions. [2020-11-22 12:59:42,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-22 12:59:42,340 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-11-22 12:59:42,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:42,345 INFO L225 Difference]: With dead ends: 978 [2020-11-22 12:59:42,345 INFO L226 Difference]: Without dead ends: 681 [2020-11-22 12:59:42,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-11-22 12:59:42,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2020-11-22 12:59:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 237. [2020-11-22 12:59:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-11-22 12:59:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 313 transitions. [2020-11-22 12:59:42,384 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 313 transitions. Word has length 56 [2020-11-22 12:59:42,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:42,385 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 313 transitions. [2020-11-22 12:59:42,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-22 12:59:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 313 transitions. [2020-11-22 12:59:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-22 12:59:42,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:59:42,387 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:59:42,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-22 12:59:42,607 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:59:42,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:59:42,607 INFO L82 PathProgramCache]: Analyzing trace with hash 773202797, now seen corresponding path program 1 times [2020-11-22 12:59:42,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:59:42,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572560155] [2020-11-22 12:59:42,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/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 [2020-11-22 12:59:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:59:42,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-22 12:59:42,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:59:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:42,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:59:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:59:42,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572560155] [2020-11-22 12:59:42,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:59:42,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-22 12:59:42,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142699940] [2020-11-22 12:59:42,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 12:59:42,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:59:42,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 12:59:42,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:42,875 INFO L87 Difference]: Start difference. First operand 237 states and 313 transitions. Second operand 4 states. [2020-11-22 12:59:45,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:59:45,660 INFO L93 Difference]: Finished difference Result 435 states and 579 transitions. [2020-11-22 12:59:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 12:59:45,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-11-22 12:59:45,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:59:45,661 INFO L225 Difference]: With dead ends: 435 [2020-11-22 12:59:45,661 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:59:45,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 12:59:45,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:59:45,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:59:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:59:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:59:45,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-22 12:59:45,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:59:45,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:59:45,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 12:59:45,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:59:45,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:59:45,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-22 12:59:45,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:59:46,018 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-11-22 12:59:46,163 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2020-11-22 12:59:46,423 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 113 [2020-11-22 12:59:46,857 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 128 [2020-11-22 12:59:46,985 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2020-11-22 12:59:47,162 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 113 [2020-11-22 12:59:47,395 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 96 [2020-11-22 12:59:47,518 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-11-22 12:59:47,955 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-11-22 12:59:48,405 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2020-11-22 12:59:48,889 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2020-11-22 12:59:49,166 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2020-11-22 12:59:49,488 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2020-11-22 12:59:50,303 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2020-11-22 12:59:50,685 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 28 [2020-11-22 12:59:51,147 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 30 [2020-11-22 12:59:51,364 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-11-22 12:59:51,786 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 24 [2020-11-22 12:59:51,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L498-3(lines 498 502) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L498-6(lines 498 502) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L367(lines 367 380) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-11-22 12:59:51,791 INFO L270 CegarLoopResult]: At program point L70-1(lines 1 950) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse4 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse7 .cse3 .cse6 .cse4))) [2020-11-22 12:59:51,791 INFO L274 CegarLoopResult]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L70-3(lines 1 950) the Hoare annotation is: false [2020-11-22 12:59:51,792 INFO L274 CegarLoopResult]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L70-5(lines 1 950) the Hoare annotation is: false [2020-11-22 12:59:51,792 INFO L274 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-11-22 12:59:51,792 INFO L274 CegarLoopResult]: For program point L203-1(lines 203 220) no Hoare annotation was computed. [2020-11-22 12:59:51,792 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L535-1(lines 530 538) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse7 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse4 .cse7) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse4 .cse7))) [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L535-2(lines 530 538) the Hoare annotation is: false [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L535-3(lines 530 538) the Hoare annotation is: false [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L535-4(lines 530 538) the Hoare annotation is: false [2020-11-22 12:59:51,792 INFO L270 CegarLoopResult]: At program point L535-5(lines 530 538) the Hoare annotation is: false [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L338(lines 337 384) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L274 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-11-22 12:59:51,793 INFO L270 CegarLoopResult]: At program point L405-2(lines 405 419) the Hoare annotation is: false [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L207(lines 207 215) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L207-1(lines 207 215) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L270 CegarLoopResult]: At program point L375-2(lines 145 151) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse4))) [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L177(lines 177 194) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L177-1(lines 177 194) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L177-2(lines 177 194) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L177-3(lines 177 194) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L177-4(lines 177 194) no Hoare annotation was computed. [2020-11-22 12:59:51,794 INFO L274 CegarLoopResult]: For program point L177-5(lines 177 194) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L409-1(lines 145 151) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L270 CegarLoopResult]: At program point L145(lines 144 163) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse5 (or (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse3))) (and .cse1 .cse5 .cse6 .cse3) (and .cse1 .cse2 .cse6 .cse3))) [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L145-1(lines 145 151) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L270 CegarLoopResult]: At program point L145-2(lines 144 163) the Hoare annotation is: false [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L270 CegarLoopResult]: At program point L145-3(lines 144 163) the Hoare annotation is: false [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L575-2(lines 575 581) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L575-3(lines 575 581) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L575-4(lines 575 581) no Hoare annotation was computed. [2020-11-22 12:59:51,795 INFO L274 CegarLoopResult]: For program point L575-5(lines 575 581) no Hoare annotation was computed. [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L311(lines 296 314) the Hoare annotation is: false [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv0 32))) .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2020-11-22 12:59:51,796 INFO L274 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-11-22 12:59:51,796 INFO L274 CegarLoopResult]: For program point L477(lines 477 484) no Hoare annotation was computed. [2020-11-22 12:59:51,796 INFO L277 CegarLoopResult]: At program point L477-1(lines 477 484) the Hoare annotation is: true [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse2) (and (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))))) [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L247-1(lines 240 250) the Hoare annotation is: false [2020-11-22 12:59:51,796 INFO L274 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-11-22 12:59:51,796 INFO L270 CegarLoopResult]: At program point L247-2(lines 240 250) the Hoare annotation is: false [2020-11-22 12:59:51,796 INFO L274 CegarLoopResult]: For program point L181-1(lines 181 189) no Hoare annotation was computed. [2020-11-22 12:59:51,797 INFO L274 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-11-22 12:59:51,797 INFO L274 CegarLoopResult]: For program point L181-3(lines 181 189) no Hoare annotation was computed. [2020-11-22 12:59:51,797 INFO L274 CegarLoopResult]: For program point L181-4(lines 181 189) no Hoare annotation was computed. [2020-11-22 12:59:51,797 INFO L274 CegarLoopResult]: For program point L181-5(lines 181 189) no Hoare annotation was computed. [2020-11-22 12:59:51,797 INFO L274 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-11-22 12:59:51,797 INFO L270 CegarLoopResult]: At program point L347-1(lines 347 353) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)))) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse4 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse7 .cse3 .cse6 .cse4))) [2020-11-22 12:59:51,797 INFO L270 CegarLoopResult]: At program point L117(lines 1 950) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:51,797 INFO L270 CegarLoopResult]: At program point L580(lines 571 584) the Hoare annotation is: false [2020-11-22 12:59:51,797 INFO L270 CegarLoopResult]: At program point L580-1(lines 571 584) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2 .cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2020-11-22 12:59:51,800 INFO L270 CegarLoopResult]: At program point L580-2(lines 571 584) the Hoare annotation is: false [2020-11-22 12:59:51,800 INFO L270 CegarLoopResult]: At program point L580-3(lines 571 584) the Hoare annotation is: false [2020-11-22 12:59:51,800 INFO L270 CegarLoopResult]: At program point L580-4(lines 571 584) the Hoare annotation is: false [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L580-5(lines 571 584) the Hoare annotation is: false [2020-11-22 12:59:51,802 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L152(lines 152 158) the Hoare annotation is: (let ((.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse3) (and .cse1 .cse2 .cse4 .cse3) (and .cse1 .cse5 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse3))) [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L152-1(lines 152 158) the Hoare annotation is: false [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L152-2(lines 152 158) the Hoare annotation is: false [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L385(lines 336 386) the Hoare annotation is: false [2020-11-22 12:59:51,802 INFO L277 CegarLoopResult]: At program point L486(lines 467 489) the Hoare annotation is: true [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L453(lines 449 455) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:51,802 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L256(lines 251 259) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))))) (or (and .cse0 .cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0) .cse2 .cse3) (and .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3))) [2020-11-22 12:59:51,802 INFO L270 CegarLoopResult]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2020-11-22 12:59:51,803 INFO L270 CegarLoopResult]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2020-11-22 12:59:51,803 INFO L270 CegarLoopResult]: At program point L125(lines 120 128) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:51,803 INFO L270 CegarLoopResult]: At program point L59(lines 54 61) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~methAndRunningLastTime~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2020-11-22 12:59:51,803 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-11-22 12:59:51,803 INFO L274 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2020-11-22 12:59:51,803 INFO L270 CegarLoopResult]: At program point L357-1(lines 357 363) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse0 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32))) .cse4))) [2020-11-22 12:59:51,803 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:59:51,803 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:59:51,803 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:59:51,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:59:51 BoogieIcfgContainer [2020-11-22 12:59:51,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:59:51,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:59:51,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:59:51,862 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:59:51,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:59:33" (3/4) ... [2020-11-22 12:59:51,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:59:51,882 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-22 12:59:51,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-22 12:59:51,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-22 12:59:51,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-22 12:59:51,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 12:59:51,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:51,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:59:51,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:59:51,913 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:59:51,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:59:51,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:59:51,914 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (1bv32 == pumpRunning && ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:59:51,916 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2020-11-22 12:59:51,916 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2020-11-22 12:59:51,917 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2020-11-22 12:59:51,917 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:59:51,918 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) [2020-11-22 12:59:51,919 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((!(tmp == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2020-11-22 12:59:51,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_43633364-c016-44a4-aada-e9d3bcec3a5a/bin/utaipan/witness.graphml [2020-11-22 12:59:51,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:59:52,000 INFO L168 Benchmark]: Toolchain (without parser) took 22318.30 ms. Allocated memory was 56.6 MB in the beginning and 151.0 MB in the end (delta: 94.4 MB). Free memory was 34.0 MB in the beginning and 56.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 72.0 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:52,000 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:59:52,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.74 ms. Allocated memory is still 56.6 MB. Free memory was 33.7 MB in the beginning and 22.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:52,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.17 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 22.3 MB in the beginning and 52.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:52,001 INFO L168 Benchmark]: Boogie Preprocessor took 68.31 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 48.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:52,001 INFO L168 Benchmark]: RCFGBuilder took 2746.89 ms. Allocated memory is still 71.3 MB. Free memory was 48.9 MB in the beginning and 48.5 MB in the end (delta: 372.6 kB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:52,002 INFO L168 Benchmark]: TraceAbstraction took 18618.33 ms. Allocated memory was 71.3 MB in the beginning and 151.0 MB in the end (delta: 79.7 MB). Free memory was 48.1 MB in the beginning and 67.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 76.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:52,002 INFO L168 Benchmark]: Witness Printer took 137.68 ms. Allocated memory is still 151.0 MB. Free memory was 67.2 MB in the beginning and 56.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 12:59:52,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 658.74 ms. Allocated memory is still 56.6 MB. Free memory was 33.7 MB in the beginning and 22.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.17 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 22.3 MB in the beginning and 52.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.31 ms. Allocated memory is still 71.3 MB. Free memory was 51.6 MB in the beginning and 48.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2746.89 ms. Allocated memory is still 71.3 MB. Free memory was 48.9 MB in the beginning and 48.5 MB in the end (delta: 372.6 kB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18618.33 ms. Allocated memory was 71.3 MB in the beginning and 151.0 MB in the end (delta: 79.7 MB). Free memory was 48.1 MB in the beginning and 67.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 76.1 MB. Max. memory is 16.1 GB. * Witness Printer took 137.68 ms. Allocated memory is still 151.0 MB. Free memory was 67.2 MB in the beginning and 56.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 530]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == tmp) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32))) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvslt32(waterLevel, 2bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (1bv32 == pumpRunning && ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)))) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((((!(tmp == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 0bv32) && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && \result == 1bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32) && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 118 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1133 SDtfs, 1324 SDslu, 2414 SDs, 0 SdLazy, 294 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 800 GetRequests, 751 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred 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, 12 MinimizatonAttempts, 1101 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 124 NumberOfFragments, 1002 HoareAnnotationTreeSize, 44 FomulaSimplifications, 413943 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 96150 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 60177 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2576 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 82/82 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...