./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:54:28,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:54:28,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:54:28,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:54:28,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:54:28,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:54:28,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:54:28,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:54:28,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:54:28,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:54:28,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:54:28,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:54:28,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:54:28,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:54:28,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:54:28,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:54:28,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:54:28,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:54:28,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:54:28,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:54:28,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:54:28,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:54:28,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:54:28,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:54:28,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:54:28,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:54:28,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:54:28,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:54:28,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:54:28,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:54:28,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:54:28,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:54:28,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:54:28,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:54:28,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:54:28,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:54:28,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:54:28,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:54:28,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:54:28,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:54:28,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:54:28,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:54:28,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:54:28,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:54:28,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:54:28,061 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:54:28,062 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:54:28,062 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:54:28,062 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:54:28,062 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:54:28,062 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:54:28,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:54:28,062 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:54:28,062 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:54:28,063 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:54:28,063 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:54:28,063 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:54:28,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:54:28,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:54:28,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:54:28,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:54:28,065 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:54:28,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:54:28,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:54:28,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:54:28,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:54:28,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:28,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:54:28,066 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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(__VERIFIER_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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2019-12-07 20:54:28,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:54:28,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:54:28,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:54:28,180 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:54:28,180 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:54:28,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-12-07 20:54:28,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/2fb29f5e6/bebbbaf5a7e74ead948b292dfcb7edb2/FLAG52364a758 [2019-12-07 20:54:28,664 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:54:28,665 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-12-07 20:54:28,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/2fb29f5e6/bebbbaf5a7e74ead948b292dfcb7edb2/FLAG52364a758 [2019-12-07 20:54:28,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/2fb29f5e6/bebbbaf5a7e74ead948b292dfcb7edb2 [2019-12-07 20:54:28,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:54:28,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:54:28,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:28,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:54:28,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:54:28,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:28" (1/1) ... [2019-12-07 20:54:28,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b2671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:28, skipping insertion in model container [2019-12-07 20:54:28,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:28" (1/1) ... [2019-12-07 20:54:28,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:54:28,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:54:28,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:28,941 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) [2019-12-07 20:54:28,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36c5eaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:28, skipping insertion in model container [2019-12-07 20:54:28,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:28,942 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:54:28,944 INFO L168 Benchmark]: Toolchain (without parser) took 257.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:28,944 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:28,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:28,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 255.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 508]: 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 0.1.25-f470102 [2019-12-07 20:54:30,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:54:30,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:54:30,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:54:30,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:54:30,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:54:30,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:54:30,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:54:30,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:54:30,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:54:30,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:54:30,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:54:30,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:54:30,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:54:30,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:54:30,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:54:30,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:54:30,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:54:30,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:54:30,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:54:30,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:54:30,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:54:30,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:54:30,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:54:30,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:54:30,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:54:30,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:54:30,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:54:30,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:54:30,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:54:30,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:54:30,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:54:30,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:54:30,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:54:30,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:54:30,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:54:30,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:54:30,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:54:30,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:54:30,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:54:30,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:54:30,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:54:30,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:54:30,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:54:30,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:54:30,105 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:54:30,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:54:30,105 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:54:30,105 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:54:30,105 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:54:30,105 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:54:30,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:54:30,106 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:54:30,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:54:30,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:54:30,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:54:30,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:54:30,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:54:30,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:54:30,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:54:30,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:54:30,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:54:30,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:30,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:54:30,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:54:30,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:54:30,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:54:30,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:54:30,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:54:30,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:54:30,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:54:30,109 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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(__VERIFIER_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 -> 2d2a2b756a74af71e6c6aa0a16e78dafb1256d78 [2019-12-07 20:54:30,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:54:30,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:54:30,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:54:30,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:54:30,283 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:54:30,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-12-07 20:54:30,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/9c6b7549b/76018b9688e4408c955c1394f25cd9fd/FLAG094b409cd [2019-12-07 20:54:30,701 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:54:30,702 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2019-12-07 20:54:30,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/9c6b7549b/76018b9688e4408c955c1394f25cd9fd/FLAG094b409cd [2019-12-07 20:54:30,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/data/9c6b7549b/76018b9688e4408c955c1394f25cd9fd [2019-12-07 20:54:30,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:54:30,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:54:30,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:30,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:54:30,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:54:30,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:30" (1/1) ... [2019-12-07 20:54:30,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:30, skipping insertion in model container [2019-12-07 20:54:30,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:30" (1/1) ... [2019-12-07 20:54:30,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:54:30,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:54:30,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:30,983 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:54:30,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:54:31,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:31,034 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:54:31,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:31,100 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:54:31,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31 WrapperNode [2019-12-07 20:54:31,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:31,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:31,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:54:31,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:54:31,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:31,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:54:31,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:54:31,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:54:31,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... [2019-12-07 20:54:31,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:54:31,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:54:31,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:54:31,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:54:31,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:54:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 20:54:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:54:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:54:31,890 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:54:31,891 INFO L287 CfgBuilder]: Removed 278 assume(true) statements. [2019-12-07 20:54:31,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:31 BoogieIcfgContainer [2019-12-07 20:54:31,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:54:31,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:54:31,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:54:31,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:54:31,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:54:30" (1/3) ... [2019-12-07 20:54:31,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa4a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:31, skipping insertion in model container [2019-12-07 20:54:31,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:31" (2/3) ... [2019-12-07 20:54:31,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa4a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:31, skipping insertion in model container [2019-12-07 20:54:31,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:31" (3/3) ... [2019-12-07 20:54:31,897 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2019-12-07 20:54:31,904 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:54:31,910 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 20:54:31,918 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 20:54:31,935 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:54:31,935 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:54:31,935 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:54:31,936 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:54:31,936 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:54:31,936 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:54:31,936 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:54:31,936 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:54:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-12-07 20:54:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:54:31,955 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:31,955 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:31,956 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:31,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:31,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2019-12-07 20:54:31,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:31,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235958072] [2019-12-07 20:54:31,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:32,101 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:54:32,105 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:32,115 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:32,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235958072] [2019-12-07 20:54:32,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:32,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:54:32,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876496753] [2019-12-07 20:54:32,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:54:32,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:32,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:54:32,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:32,134 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-12-07 20:54:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:32,163 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2019-12-07 20:54:32,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:54:32,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 20:54:32,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:32,174 INFO L225 Difference]: With dead ends: 372 [2019-12-07 20:54:32,174 INFO L226 Difference]: Without dead ends: 185 [2019-12-07 20:54:32,177 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:32,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-12-07 20:54:32,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-12-07 20:54:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-12-07 20:54:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2019-12-07 20:54:32,212 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2019-12-07 20:54:32,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:32,212 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2019-12-07 20:54:32,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:54:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2019-12-07 20:54:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:54:32,213 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:32,213 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:32,414 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:54:32,415 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:32,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:32,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2019-12-07 20:54:32,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:32,419 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695070126] [2019-12-07 20:54:32,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:32,640 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:54:32,641 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:32,656 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:32,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695070126] [2019-12-07 20:54:32,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:32,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:54:32,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124397307] [2019-12-07 20:54:32,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:54:32,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:32,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:54:32,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:54:32,668 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 4 states. [2019-12-07 20:54:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:32,685 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2019-12-07 20:54:32,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:54:32,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 20:54:32,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:32,686 INFO L225 Difference]: With dead ends: 185 [2019-12-07 20:54:32,687 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 20:54:32,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:54:32,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 20:54:32,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 20:54:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 20:54:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-12-07 20:54:32,693 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2019-12-07 20:54:32,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:32,693 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-12-07 20:54:32,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:54:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-12-07 20:54:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 20:54:32,694 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:32,694 INFO L410 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] [2019-12-07 20:54:32,895 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:54:32,895 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:32,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:32,895 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2019-12-07 20:54:32,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:32,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876245438] [2019-12-07 20:54:32,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:33,015 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:54:33,016 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:33,023 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:33,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876245438] [2019-12-07 20:54:33,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:33,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:54:33,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842405057] [2019-12-07 20:54:33,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:54:33,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:33,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:54:33,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:54:33,032 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 4 states. [2019-12-07 20:54:33,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:33,076 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2019-12-07 20:54:33,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:54:33,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 20:54:33,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:33,078 INFO L225 Difference]: With dead ends: 136 [2019-12-07 20:54:33,078 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 20:54:33,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:54:33,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 20:54:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 20:54:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 20:54:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2019-12-07 20:54:33,085 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2019-12-07 20:54:33,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:33,085 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2019-12-07 20:54:33,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:54:33,086 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2019-12-07 20:54:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 20:54:33,086 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:33,087 INFO L410 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] [2019-12-07 20:54:33,287 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:54:33,288 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:33,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:33,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2019-12-07 20:54:33,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:33,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042501358] [2019-12-07 20:54:33,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:33,507 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:54:33,509 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:33,517 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:33,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042501358] [2019-12-07 20:54:33,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:33,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 20:54:33,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252075824] [2019-12-07 20:54:33,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:54:33,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:33,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:54:33,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:54:33,522 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2019-12-07 20:54:33,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:33,581 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2019-12-07 20:54:33,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:54:33,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 20:54:33,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:33,582 INFO L225 Difference]: With dead ends: 145 [2019-12-07 20:54:33,582 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 20:54:33,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:54:33,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 20:54:33,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2019-12-07 20:54:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 20:54:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2019-12-07 20:54:33,591 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2019-12-07 20:54:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:33,591 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2019-12-07 20:54:33,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:54:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2019-12-07 20:54:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 20:54:33,592 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:33,592 INFO L410 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] [2019-12-07 20:54:33,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:54:33,794 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:33,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:33,795 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2019-12-07 20:54:33,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:33,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645994609] [2019-12-07 20:54:33,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:33,933 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:54:33,935 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:33,947 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:33,954 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645994609] [2019-12-07 20:54:33,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:33,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:54:33,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679420509] [2019-12-07 20:54:33,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:54:33,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:33,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:54:33,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 20:54:33,956 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2019-12-07 20:54:34,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:34,018 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2019-12-07 20:54:34,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:54:34,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 20:54:34,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:34,020 INFO L225 Difference]: With dead ends: 204 [2019-12-07 20:54:34,020 INFO L226 Difference]: Without dead ends: 132 [2019-12-07 20:54:34,020 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:54:34,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-12-07 20:54:34,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2019-12-07 20:54:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 20:54:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2019-12-07 20:54:34,028 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2019-12-07 20:54:34,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:34,028 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2019-12-07 20:54:34,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:54:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2019-12-07 20:54:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 20:54:34,029 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:34,029 INFO L410 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] [2019-12-07 20:54:34,229 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:54:34,230 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:34,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:34,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2019-12-07 20:54:34,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:34,233 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380633591] [2019-12-07 20:54:34,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:34,362 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:54:34,363 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:34,389 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:34,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380633591] [2019-12-07 20:54:34,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:34,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 20:54:34,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892282515] [2019-12-07 20:54:34,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:54:34,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:34,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:54:34,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:54:34,409 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 8 states. [2019-12-07 20:54:34,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:34,669 INFO L93 Difference]: Finished difference Result 673 states and 940 transitions. [2019-12-07 20:54:34,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 20:54:34,669 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-12-07 20:54:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:34,673 INFO L225 Difference]: With dead ends: 673 [2019-12-07 20:54:34,673 INFO L226 Difference]: Without dead ends: 592 [2019-12-07 20:54:34,674 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-12-07 20:54:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-12-07 20:54:34,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2019-12-07 20:54:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 20:54:34,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2019-12-07 20:54:34,698 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2019-12-07 20:54:34,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:34,699 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2019-12-07 20:54:34,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:54:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2019-12-07 20:54:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 20:54:34,701 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:34,702 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:34,902 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 20:54:34,903 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:34,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:34,904 INFO L82 PathProgramCache]: Analyzing trace with hash -165583408, now seen corresponding path program 1 times [2019-12-07 20:54:34,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:34,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542999153] [2019-12-07 20:54:34,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:35,064 INFO L264 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:54:35,066 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:54:35,077 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 20:54:35,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542999153] [2019-12-07 20:54:35,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:35,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 20:54:35,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864053717] [2019-12-07 20:54:35,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:54:35,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:35,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:54:35,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:54:35,091 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand 6 states. [2019-12-07 20:54:35,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:35,153 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2019-12-07 20:54:35,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:54:35,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-12-07 20:54:35,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:35,155 INFO L225 Difference]: With dead ends: 476 [2019-12-07 20:54:35,155 INFO L226 Difference]: Without dead ends: 278 [2019-12-07 20:54:35,156 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 20:54:35,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-07 20:54:35,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 182. [2019-12-07 20:54:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-12-07 20:54:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2019-12-07 20:54:35,171 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2019-12-07 20:54:35,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:35,172 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2019-12-07 20:54:35,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:54:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2019-12-07 20:54:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-07 20:54:35,173 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:35,173 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:35,374 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 20:54:35,375 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:35,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:35,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1786964048, now seen corresponding path program 1 times [2019-12-07 20:54:35,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:35,377 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291574232] [2019-12-07 20:54:35,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:35,529 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:54:35,531 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:54:35,552 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:54:35,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291574232] [2019-12-07 20:54:35,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:35,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 20:54:35,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915965917] [2019-12-07 20:54:35,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:54:35,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:35,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:54:35,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:54:35,560 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 6 states. [2019-12-07 20:54:35,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:35,672 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2019-12-07 20:54:35,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 20:54:35,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-12-07 20:54:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:35,676 INFO L225 Difference]: With dead ends: 872 [2019-12-07 20:54:35,676 INFO L226 Difference]: Without dead ends: 696 [2019-12-07 20:54:35,676 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-12-07 20:54:35,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2019-12-07 20:54:35,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2019-12-07 20:54:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-12-07 20:54:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2019-12-07 20:54:35,702 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2019-12-07 20:54:35,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:35,702 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2019-12-07 20:54:35,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:54:35,702 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2019-12-07 20:54:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 20:54:35,703 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:35,703 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:35,904 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 20:54:35,904 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:35,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:35,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1138581304, now seen corresponding path program 1 times [2019-12-07 20:54:35,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:35,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849378825] [2019-12-07 20:54:35,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:36,005 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:54:36,006 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:36,032 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:36,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849378825] [2019-12-07 20:54:36,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [874693534] [2019-12-07 20:54:36,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:54:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:36,155 INFO L264 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:54:36,157 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:54:36,187 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:36,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 20:54:36,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:54:36,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2019-12-07 20:54:36,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96905406] [2019-12-07 20:54:36,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 20:54:36,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:36,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 20:54:36,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 20:54:36,192 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand 5 states. [2019-12-07 20:54:36,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:36,390 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2019-12-07 20:54:36,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 20:54:36,390 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 20:54:36,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:36,394 INFO L225 Difference]: With dead ends: 962 [2019-12-07 20:54:36,395 INFO L226 Difference]: Without dead ends: 960 [2019-12-07 20:54:36,395 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2019-12-07 20:54:36,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2019-12-07 20:54:36,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2019-12-07 20:54:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-12-07 20:54:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2019-12-07 20:54:36,426 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2019-12-07 20:54:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:36,426 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2019-12-07 20:54:36,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 20:54:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2019-12-07 20:54:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-07 20:54:36,427 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:36,427 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:36,828 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:54:36,828 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:36,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:36,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2019-12-07 20:54:36,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:36,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772746529] [2019-12-07 20:54:36,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/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 [2019-12-07 20:54:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:36,936 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:54:36,937 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:36,966 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:36,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:54:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:36,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772746529] [2019-12-07 20:54:36,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [204927827] [2019-12-07 20:54:36,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:54:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:37,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 20:54:37,080 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:37,116 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:37,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174016590] [2019-12-07 20:54:37,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:54:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:37,249 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:54:37,250 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:37,258 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 20:54:37,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 20:54:37,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2019-12-07 20:54:37,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628070213] [2019-12-07 20:54:37,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 20:54:37,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:37,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 20:54:37,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-12-07 20:54:37,265 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand 13 states. [2019-12-07 20:54:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:39,005 INFO L93 Difference]: Finished difference Result 4555 states and 5988 transitions. [2019-12-07 20:54:39,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-12-07 20:54:39,005 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2019-12-07 20:54:39,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:39,020 INFO L225 Difference]: With dead ends: 4555 [2019-12-07 20:54:39,020 INFO L226 Difference]: Without dead ends: 4255 [2019-12-07 20:54:39,023 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 321 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2241 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2019-12-07 20:54:39,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4255 states. [2019-12-07 20:54:39,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4255 to 640. [2019-12-07 20:54:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-12-07 20:54:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 842 transitions. [2019-12-07 20:54:39,086 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 842 transitions. Word has length 57 [2019-12-07 20:54:39,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:39,087 INFO L462 AbstractCegarLoop]: Abstraction has 640 states and 842 transitions. [2019-12-07 20:54:39,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 20:54:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 842 transitions. [2019-12-07 20:54:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 20:54:39,088 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:39,088 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:39,689 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt --rewrite-divk,12 mathsat -unsat_core_generation=3 [2019-12-07 20:54:39,691 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:39,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:39,692 INFO L82 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2019-12-07 20:54:39,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:39,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963459011] [2019-12-07 20:54:39,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2019-12-07 20:54:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:39,865 INFO L264 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 20:54:39,866 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 20:54:39,881 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 20:54:39,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963459011] [2019-12-07 20:54:39,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:39,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:54:39,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271083084] [2019-12-07 20:54:39,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:54:39,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:39,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:54:39,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:54:39,900 INFO L87 Difference]: Start difference. First operand 640 states and 842 transitions. Second operand 8 states. [2019-12-07 20:54:39,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:39,954 INFO L93 Difference]: Finished difference Result 1030 states and 1326 transitions. [2019-12-07 20:54:39,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:54:39,954 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2019-12-07 20:54:39,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:39,955 INFO L225 Difference]: With dead ends: 1030 [2019-12-07 20:54:39,955 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:54:39,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:54:39,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:54:39,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:54:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:54:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:54:39,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-12-07 20:54:39,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:39,956 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:54:39,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:54:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:54:39,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:54:40,157 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 20:54:40,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:54:40,356 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2019-12-07 20:54:40,562 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 167 [2019-12-07 20:54:40,738 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 157 [2019-12-07 20:54:40,955 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 174 [2019-12-07 20:54:41,141 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 161 [2019-12-07 20:54:41,314 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 174 [2019-12-07 20:54:41,418 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 152 [2019-12-07 20:54:41,875 WARN L192 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 24 [2019-12-07 20:54:42,078 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2019-12-07 20:54:43,415 WARN L192 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 167 DAG size of output: 37 [2019-12-07 20:54:43,524 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 17 [2019-12-07 20:54:44,622 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 156 DAG size of output: 35 [2019-12-07 20:54:45,151 WARN L192 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 32 [2019-12-07 20:54:46,512 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 174 DAG size of output: 34 [2019-12-07 20:54:47,051 WARN L192 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 34 [2019-12-07 20:54:48,315 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 159 DAG size of output: 30 [2019-12-07 20:54:48,419 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 17 [2019-12-07 20:54:48,526 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 25 [2019-12-07 20:54:50,729 WARN L192 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 174 DAG size of output: 34 [2019-12-07 20:54:51,679 WARN L192 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 39 [2019-12-07 20:54:51,684 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-12-07 20:54:51,684 INFO L246 CegarLoopResult]: For program point L466(lines 466 473) no Hoare annotation was computed. [2019-12-07 20:54:51,684 INFO L249 CegarLoopResult]: At program point L466-1(lines 466 473) the Hoare annotation is: true [2019-12-07 20:54:51,684 INFO L246 CegarLoopResult]: For program point L367(lines 367 373) no Hoare annotation was computed. [2019-12-07 20:54:51,684 INFO L246 CegarLoopResult]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,684 INFO L246 CegarLoopResult]: For program point L367-2(lines 367 373) no Hoare annotation was computed. [2019-12-07 20:54:51,685 INFO L246 CegarLoopResult]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,685 INFO L246 CegarLoopResult]: For program point L334-3(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,685 INFO L246 CegarLoopResult]: For program point L367-4(lines 367 373) no Hoare annotation was computed. [2019-12-07 20:54:51,685 INFO L246 CegarLoopResult]: For program point L334-5(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,685 INFO L242 CegarLoopResult]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) .cse2 .cse0 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 20:54:51,685 INFO L246 CegarLoopResult]: For program point L334-6(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,685 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 20:54:51,685 INFO L242 CegarLoopResult]: At program point L136-1(lines 136 142) the Hoare annotation is: false [2019-12-07 20:54:51,685 INFO L246 CegarLoopResult]: For program point L334-8(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,685 INFO L242 CegarLoopResult]: At program point L136-2(lines 136 142) the Hoare annotation is: false [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L334-9(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L334-11(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L334-12(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L334-14(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929-2(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L334-15(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929-3(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929-4(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L334-17(lines 334 338) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929-5(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929-6(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,686 INFO L246 CegarLoopResult]: For program point L929-7(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,687 INFO L246 CegarLoopResult]: For program point L929-8(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,687 INFO L246 CegarLoopResult]: For program point L929-9(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,687 INFO L246 CegarLoopResult]: For program point L929-10(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,687 INFO L246 CegarLoopResult]: For program point L929-11(lines 929 935) no Hoare annotation was computed. [2019-12-07 20:54:51,687 INFO L246 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2019-12-07 20:54:51,687 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 20:54:51,687 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse4 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 20:54:51,687 INFO L242 CegarLoopResult]: At program point L934(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-1(lines 925 938) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-2(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-3(lines 925 938) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse3 .cse0 .cse1 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) (and .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse4 .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-4(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-5(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-6(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-7(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-8(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,688 INFO L242 CegarLoopResult]: At program point L934-9(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L934-10(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L934-11(lines 925 938) the Hoare annotation is: false [2019-12-07 20:54:51,689 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L340(lines 325 343) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L340-1(lines 325 343) the Hoare annotation is: false [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L340-2(lines 325 343) the Hoare annotation is: false [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L340-3(lines 325 343) the Hoare annotation is: false [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L340-4(lines 325 343) the Hoare annotation is: false [2019-12-07 20:54:51,689 INFO L242 CegarLoopResult]: At program point L340-5(lines 325 343) the Hoare annotation is: false [2019-12-07 20:54:51,690 INFO L242 CegarLoopResult]: At program point L440(lines 436 442) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:54:51,690 INFO L249 CegarLoopResult]: At program point L475(lines 456 478) the Hoare annotation is: true [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L213-1(lines 213 230) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L213-2(lines 213 230) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L876(lines 876 880) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L315-3(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L315-5(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,690 INFO L246 CegarLoopResult]: For program point L315-6(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-8(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-9(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-11(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-12(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-14(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-15(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-17(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-18(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-20(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-21(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-23(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-24(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-26(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,691 INFO L246 CegarLoopResult]: For program point L315-27(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L315-29(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L315-30(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L315-32(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L315-33(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L217-1(lines 217 225) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L315-35(lines 315 319) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L217-2(lines 217 225) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L242 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-12-07 20:54:51,692 INFO L242 CegarLoopResult]: At program point L944-1(lines 939 947) the Hoare annotation is: false [2019-12-07 20:54:51,692 INFO L242 CegarLoopResult]: At program point L944-2(lines 939 947) the Hoare annotation is: false [2019-12-07 20:54:51,692 INFO L242 CegarLoopResult]: At program point L944-3(lines 939 947) the Hoare annotation is: false [2019-12-07 20:54:51,692 INFO L242 CegarLoopResult]: At program point L944-4(lines 939 947) the Hoare annotation is: false [2019-12-07 20:54:51,692 INFO L242 CegarLoopResult]: At program point L944-5(lines 939 947) the Hoare annotation is: false [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-12-07 20:54:51,692 INFO L246 CegarLoopResult]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-12-07 20:54:51,693 INFO L246 CegarLoopResult]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-12-07 20:54:51,693 INFO L246 CegarLoopResult]: For program point L187-3(lines 187 204) no Hoare annotation was computed. [2019-12-07 20:54:51,693 INFO L246 CegarLoopResult]: For program point L187-4(lines 187 204) no Hoare annotation was computed. [2019-12-07 20:54:51,693 INFO L246 CegarLoopResult]: For program point L187-5(lines 187 204) no Hoare annotation was computed. [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L980(lines 1 991) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:54:51,693 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L321(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L321-1(lines 306 324) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ULTIMATE.start_processEnvironment_~tmp~3 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L321-2(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L321-3(lines 306 324) the Hoare annotation is: (let ((.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse3 .cse4 .cse0 .cse1 .cse5 .cse6 .cse7 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2) (and .cse3 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse5 .cse1 .cse6 .cse7 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L321-4(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L321-5(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,693 INFO L242 CegarLoopResult]: At program point L321-6(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L321-7(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L321-8(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L321-9(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L321-10(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L321-11(lines 306 324) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L257(lines 250 260) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L257-1(lines 250 260) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L242 CegarLoopResult]: At program point L257-2(lines 250 260) the Hoare annotation is: false [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L191-3(lines 191 199) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L191-4(lines 191 199) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L191-5(lines 191 199) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L852-3(lines 852 856) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L852-6(lines 852 856) no Hoare annotation was computed. [2019-12-07 20:54:51,694 INFO L246 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L242 CegarLoopResult]: At program point L93-2(lines 129 135) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse4 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L953-2(line 953) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L242 CegarLoopResult]: At program point L392-2(lines 392 406) the Hoare annotation is: false [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-6(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-7(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L242 CegarLoopResult]: At program point L921(lines 916 924) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv0 32) ~pumpRunning~0) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse1))) [2019-12-07 20:54:51,695 INFO L246 CegarLoopResult]: For program point L161-8(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,695 INFO L242 CegarLoopResult]: At program point L921-1(lines 916 924) the Hoare annotation is: false [2019-12-07 20:54:51,696 INFO L246 CegarLoopResult]: For program point L161-9(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,696 INFO L246 CegarLoopResult]: For program point L161-10(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L921-2(lines 916 924) the Hoare annotation is: false [2019-12-07 20:54:51,696 INFO L246 CegarLoopResult]: For program point L161-11(lines 161 178) no Hoare annotation was computed. [2019-12-07 20:54:51,696 INFO L246 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) (and .cse0 .cse3 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2))) [2019-12-07 20:54:51,696 INFO L246 CegarLoopResult]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L129-2(lines 128 147) the Hoare annotation is: false [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L129-3(lines 128 147) the Hoare annotation is: false [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L988(lines 983 991) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L889(lines 884 892) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))) [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2019-12-07 20:54:51,696 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 20:54:51,696 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse4 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse5 .cse1 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse4) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 20:54:51,696 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L363(lines 363 376) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L396-1(lines 129 135) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L242 CegarLoopResult]: At program point L363-1(lines 1 991) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32)))))) [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L363-2(lines 363 376) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L242 CegarLoopResult]: At program point L363-3(lines 1 991) the Hoare annotation is: false [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L363-4(lines 363 376) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L242 CegarLoopResult]: At program point L363-5(lines 1 991) the Hoare annotation is: false [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-6(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-7(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-8(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,697 INFO L246 CegarLoopResult]: For program point L165-9(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,698 INFO L246 CegarLoopResult]: For program point L165-10(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,698 INFO L246 CegarLoopResult]: For program point L165-11(lines 165 173) no Hoare annotation was computed. [2019-12-07 20:54:51,698 INFO L242 CegarLoopResult]: At program point L266(lines 261 269) the Hoare annotation is: false [2019-12-07 20:54:51,698 INFO L242 CegarLoopResult]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2019-12-07 20:54:51,698 INFO L242 CegarLoopResult]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2019-12-07 20:54:51,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:54:51 BoogieIcfgContainer [2019-12-07 20:54:51,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:54:51,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:54:51,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:54:51,728 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:54:51,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:31" (3/4) ... [2019-12-07 20:54:51,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:54:51,750 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 20:54:51,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 20:54:51,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 20:54:51,754 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 20:54:51,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:54:51,756 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:54:51,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:54:51,778 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 20:54:51,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 20:54:51,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:54:51,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:54:51,779 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:54:51,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:54:51,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) [2019-12-07 20:54:51,780 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:54:51,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 20:54:51,782 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 20:54:51,783 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 20:54:51,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:54:51,785 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 20:54:51,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 20:54:51,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 20:54:51,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 20:54:51,787 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) [2019-12-07 20:54:51,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cc031cbd-4ea9-4a1d-8d3a-be5cf5cc24dc/bin/utaipan/witness.graphml [2019-12-07 20:54:51,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:54:51,852 INFO L168 Benchmark]: Toolchain (without parser) took 21131.57 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 427.3 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -280.9 MB). Peak memory consumption was 146.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:51,852 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:51,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:51,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:51,853 INFO L168 Benchmark]: Boogie Preprocessor took 41.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:51,853 INFO L168 Benchmark]: RCFGBuilder took 696.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.3 MB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:51,854 INFO L168 Benchmark]: TraceAbstraction took 19835.09 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 310.9 MB). Free memory was 980.3 MB in the beginning and 1.3 GB in the end (delta: -278.4 MB). Peak memory consumption was 513.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:51,854 INFO L168 Benchmark]: Witness Printer took 123.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:51,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 696.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.3 MB in the end (delta: 96.8 MB). Peak memory consumption was 96.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19835.09 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 310.9 MB). Free memory was 980.3 MB in the beginning and 1.3 GB in the end (delta: -278.4 MB). Peak memory consumption was 513.2 MB. Max. memory is 11.5 GB. * Witness Printer took 123.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 916]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && tmp == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((!(0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32))) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 1bv32 == \result) && splverifierCounter == 0bv32)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && 1bv32 == \result) && splverifierCounter == 0bv32)) || (((((((((1bv32 == \result && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.5s, HoareTripleCheckerStatistics: 1642 SDtfs, 5398 SDslu, 4657 SDs, 0 SdLazy, 916 SolverSat, 237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1260 GetRequests, 1117 SyntacticMatches, 5 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2309 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 5090 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 215 NumberOfFragments, 951 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1486624 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 502347 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 151861 SizeOfPredicates, 43 NumberOfNonLiveVariables, 2984 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 236/302 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...