./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.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_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 ae33dcba0147a107c551c432e2bfc2c49f1e3070 ...................................................................................................................................... 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_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 ae33dcba0147a107c551c432e2bfc2c49f1e3070 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:01:46,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:01:46,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:01:46,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:01:46,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:01:46,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:01:46,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:01:46,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:01:46,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:01:46,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:01:46,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:01:46,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:01:46,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:01:46,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:01:46,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:01:46,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:01:46,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:01:46,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:01:46,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:01:46,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:01:46,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:01:46,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:01:46,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:01:46,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:01:46,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:01:46,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:01:46,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:01:46,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:01:46,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:01:46,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:01:46,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:01:46,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:01:46,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:01:46,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:01:46,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:01:46,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:01:46,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:01:46,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:01:46,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:01:46,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:01:46,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:01:46,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:01:46,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:01:46,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:01:46,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:01:46,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:01:46,124 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:01:46,125 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:01:46,125 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:01:46,125 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:01:46,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:01:46,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:01:46,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:01:46,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:01:46,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:01:46,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:01:46,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:01:46,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:01:46,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:01:46,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:01:46,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:01:46,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:01:46,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:01:46,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:01:46,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:01:46,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:01:46,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:01:46,128 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_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 -> ae33dcba0147a107c551c432e2bfc2c49f1e3070 [2019-12-07 21:01:46,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:01:46,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:01:46,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:01:46,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:01:46,236 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:01:46,236 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2019-12-07 21:01:46,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/4aa6280ad/53bf5ee106aa40f391a0a4b28dd9d668/FLAG0809f5c14 [2019-12-07 21:01:46,716 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:01:46,717 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2019-12-07 21:01:46,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/4aa6280ad/53bf5ee106aa40f391a0a4b28dd9d668/FLAG0809f5c14 [2019-12-07 21:01:46,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/4aa6280ad/53bf5ee106aa40f391a0a4b28dd9d668 [2019-12-07 21:01:46,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:01:46,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:01:46,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:46,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:01:46,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:01:46,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:46" (1/1) ... [2019-12-07 21:01:46,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33735268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:46, skipping insertion in model container [2019-12-07 21:01:46,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:46" (1/1) ... [2019-12-07 21:01:46,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:01:46,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:01:46,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:47,006 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 21:01:47,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3532ea5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:47, skipping insertion in model container [2019-12-07 21:01:47,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:47,007 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 21:01:47,008 INFO L168 Benchmark]: Toolchain (without parser) took 266.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 937.2 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:47,009 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:01:47,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:01:47,011 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 952.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 931.9 MB in the beginning and 1.1 GB in the end (delta: -146.7 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: 68]: 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 21:01:48,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:01:48,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:01:48,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:01:48,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:01:48,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:01:48,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:01:48,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:01:48,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:01:48,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:01:48,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:01:48,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:01:48,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:01:48,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:01:48,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:01:48,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:01:48,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:01:48,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:01:48,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:01:48,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:01:48,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:01:48,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:01:48,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:01:48,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:01:48,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:01:48,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:01:48,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:01:48,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:01:48,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:01:48,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:01:48,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:01:48,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:01:48,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:01:48,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:01:48,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:01:48,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:01:48,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:01:48,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:01:48,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:01:48,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:01:48,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:01:48,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:01:48,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:01:48,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:01:48,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:01:48,185 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:01:48,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:01:48,185 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:01:48,185 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:01:48,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:01:48,185 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:01:48,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:01:48,186 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:01:48,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:01:48,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:01:48,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:01:48,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:01:48,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:01:48,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:01:48,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:01:48,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:01:48,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:01:48,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:01:48,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:01:48,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:01:48,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:01:48,189 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:01:48,189 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:01:48,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:01:48,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:01:48,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:01:48,189 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_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 -> ae33dcba0147a107c551c432e2bfc2c49f1e3070 [2019-12-07 21:01:48,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:01:48,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:01:48,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:01:48,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:01:48,363 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:01:48,363 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2019-12-07 21:01:48,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/f8a4ffd5e/4d87a18daec8475da41ae4ad39b7fefc/FLAGcc552506b [2019-12-07 21:01:48,774 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:01:48,775 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2019-12-07 21:01:48,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/f8a4ffd5e/4d87a18daec8475da41ae4ad39b7fefc/FLAGcc552506b [2019-12-07 21:01:48,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/data/f8a4ffd5e/4d87a18daec8475da41ae4ad39b7fefc [2019-12-07 21:01:48,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:01:48,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:01:48,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:48,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:01:48,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:01:48,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:48" (1/1) ... [2019-12-07 21:01:48,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e05d898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:48, skipping insertion in model container [2019-12-07 21:01:48,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:01:48" (1/1) ... [2019-12-07 21:01:48,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:01:48,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:01:49,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:49,078 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 21:01:49,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:01:49,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:49,141 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:01:49,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:01:49,214 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:01:49,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49 WrapperNode [2019-12-07 21:01:49,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:01:49,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:01:49,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:01:49,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:01:49,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:01:49,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:01:49,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:01:49,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:01:49,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... [2019-12-07 21:01:49,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:01:49,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:01:49,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:01:49,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:01:49,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 21:01:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 21:01:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:01:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:01:50,079 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:01:50,080 INFO L287 CfgBuilder]: Removed 276 assume(true) statements. [2019-12-07 21:01:50,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:01:50 BoogieIcfgContainer [2019-12-07 21:01:50,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:01:50,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:01:50,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:01:50,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:01:50,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:01:48" (1/3) ... [2019-12-07 21:01:50,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bec1d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:01:50, skipping insertion in model container [2019-12-07 21:01:50,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:01:49" (2/3) ... [2019-12-07 21:01:50,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bec1d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:01:50, skipping insertion in model container [2019-12-07 21:01:50,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:01:50" (3/3) ... [2019-12-07 21:01:50,088 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2019-12-07 21:01:50,097 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:01:50,103 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 21:01:50,112 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 21:01:50,129 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:01:50,129 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:01:50,129 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:01:50,129 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:01:50,130 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:01:50,130 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:01:50,130 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:01:50,130 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:01:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-12-07 21:01:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 21:01:50,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:50,149 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:01:50,149 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:50,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:50,153 INFO L82 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2019-12-07 21:01:50,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:50,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334044217] [2019-12-07 21:01:50,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:50,286 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 21:01:50,290 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:50,300 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 21:01:50,300 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:50,304 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 21:01:50,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334044217] [2019-12-07 21:01:50,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:50,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 21:01:50,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724210847] [2019-12-07 21:01:50,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 21:01:50,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:50,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 21:01:50,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 21:01:50,320 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-12-07 21:01:50,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:50,348 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2019-12-07 21:01:50,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 21:01:50,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 21:01:50,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:50,358 INFO L225 Difference]: With dead ends: 372 [2019-12-07 21:01:50,358 INFO L226 Difference]: Without dead ends: 185 [2019-12-07 21:01:50,361 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 21:01:50,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-12-07 21:01:50,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2019-12-07 21:01:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-12-07 21:01:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2019-12-07 21:01:50,396 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2019-12-07 21:01:50,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:50,396 INFO L462 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2019-12-07 21:01:50,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 21:01:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2019-12-07 21:01:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 21:01:50,397 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:50,398 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 21:01:50,598 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:01:50,599 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:50,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:50,600 INFO L82 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2019-12-07 21:01:50,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:50,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513192883] [2019-12-07 21:01:50,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:50,789 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:01:50,790 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:50,803 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 21:01:50,804 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:50,812 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 21:01:50,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513192883] [2019-12-07 21:01:50,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:50,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:01:50,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418189381] [2019-12-07 21:01:50,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:01:50,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:50,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:01:50,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:01:50,814 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 4 states. [2019-12-07 21:01:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:50,829 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2019-12-07 21:01:50,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:01:50,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 21:01:50,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:50,830 INFO L225 Difference]: With dead ends: 185 [2019-12-07 21:01:50,830 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 21:01:50,831 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 21:01:50,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 21:01:50,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 21:01:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 21:01:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-12-07 21:01:50,836 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2019-12-07 21:01:50,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:50,837 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-12-07 21:01:50,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:01:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-12-07 21:01:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 21:01:50,838 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:50,838 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 21:01:51,038 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:01:51,038 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:51,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:51,039 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2019-12-07 21:01:51,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:51,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766157639] [2019-12-07 21:01:51,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:51,141 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:01:51,143 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:51,150 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 21:01:51,150 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:51,156 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 21:01:51,156 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766157639] [2019-12-07 21:01:51,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:51,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 21:01:51,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713992410] [2019-12-07 21:01:51,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:01:51,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:51,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:01:51,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:01:51,158 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 4 states. [2019-12-07 21:01:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:51,166 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2019-12-07 21:01:51,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:01:51,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 21:01:51,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:51,167 INFO L225 Difference]: With dead ends: 136 [2019-12-07 21:01:51,167 INFO L226 Difference]: Without dead ends: 71 [2019-12-07 21:01:51,168 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 21:01:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-07 21:01:51,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-07 21:01:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 21:01:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2019-12-07 21:01:51,174 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2019-12-07 21:01:51,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:51,174 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2019-12-07 21:01:51,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:01:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2019-12-07 21:01:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 21:01:51,175 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:51,176 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 21:01:51,376 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 21:01:51,377 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:51,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:51,378 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2019-12-07 21:01:51,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:51,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779639324] [2019-12-07 21:01:51,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:51,539 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 21:01:51,541 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:51,546 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 21:01:51,547 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:51,549 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 21:01:51,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779639324] [2019-12-07 21:01:51,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:51,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 21:01:51,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973219391] [2019-12-07 21:01:51,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 21:01:51,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:51,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 21:01:51,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 21:01:51,551 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2019-12-07 21:01:51,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:51,613 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2019-12-07 21:01:51,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 21:01:51,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-07 21:01:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:51,614 INFO L225 Difference]: With dead ends: 145 [2019-12-07 21:01:51,614 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 21:01:51,615 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 21:01:51,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 21:01:51,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2019-12-07 21:01:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 21:01:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2019-12-07 21:01:51,624 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2019-12-07 21:01:51,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:51,624 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2019-12-07 21:01:51,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 21:01:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2019-12-07 21:01:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 21:01:51,625 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:51,625 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 21:01:51,826 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 21:01:51,826 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:51,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:51,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2019-12-07 21:01:51,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:51,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184584649] [2019-12-07 21:01:51,828 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:52,021 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:01:52,023 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:52,037 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 21:01:52,037 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:52,045 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 21:01:52,045 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184584649] [2019-12-07 21:01:52,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:52,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:01:52,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821953681] [2019-12-07 21:01:52,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:01:52,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:52,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:01:52,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 21:01:52,047 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2019-12-07 21:01:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:52,107 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2019-12-07 21:01:52,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 21:01:52,107 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-12-07 21:01:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:52,108 INFO L225 Difference]: With dead ends: 204 [2019-12-07 21:01:52,108 INFO L226 Difference]: Without dead ends: 132 [2019-12-07 21:01:52,109 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 21:01:52,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-12-07 21:01:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2019-12-07 21:01:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 21:01:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2019-12-07 21:01:52,117 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2019-12-07 21:01:52,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:52,118 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2019-12-07 21:01:52,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:01:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2019-12-07 21:01:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 21:01:52,119 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:52,119 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 21:01:52,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 21:01:52,320 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:52,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2019-12-07 21:01:52,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:52,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781234697] [2019-12-07 21:01:52,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:52,454 INFO L264 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:01:52,456 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:52,470 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 21:01:52,470 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:52,492 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 21:01:52,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781234697] [2019-12-07 21:01:52,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:52,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2019-12-07 21:01:52,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760510062] [2019-12-07 21:01:52,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:01:52,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:52,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:01:52,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:01:52,494 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 8 states. [2019-12-07 21:01:52,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:52,750 INFO L93 Difference]: Finished difference Result 673 states and 940 transitions. [2019-12-07 21:01:52,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 21:01:52,751 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-12-07 21:01:52,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:52,754 INFO L225 Difference]: With dead ends: 673 [2019-12-07 21:01:52,754 INFO L226 Difference]: Without dead ends: 592 [2019-12-07 21:01:52,754 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 21:01:52,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-12-07 21:01:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2019-12-07 21:01:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-12-07 21:01:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2019-12-07 21:01:52,770 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2019-12-07 21:01:52,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:52,770 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2019-12-07 21:01:52,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:01:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2019-12-07 21:01:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 21:01:52,772 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:52,772 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 21:01:52,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 21:01:52,973 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:52,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:52,974 INFO L82 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2019-12-07 21:01:52,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:52,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690612752] [2019-12-07 21:01:52,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:53,123 INFO L264 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:01:53,125 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:53,133 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 21:01:53,133 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:53,145 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 21:01:53,146 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690612752] [2019-12-07 21:01:53,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:53,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 21:01:53,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556535964] [2019-12-07 21:01:53,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:01:53,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:53,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:01:53,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:01:53,147 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand 6 states. [2019-12-07 21:01:53,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:53,204 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2019-12-07 21:01:53,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:01:53,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-12-07 21:01:53,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:53,206 INFO L225 Difference]: With dead ends: 476 [2019-12-07 21:01:53,206 INFO L226 Difference]: Without dead ends: 278 [2019-12-07 21:01:53,206 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 21:01:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-07 21:01:53,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 182. [2019-12-07 21:01:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-12-07 21:01:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2019-12-07 21:01:53,219 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2019-12-07 21:01:53,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:53,219 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2019-12-07 21:01:53,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:01:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2019-12-07 21:01:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-07 21:01:53,221 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:53,221 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 21:01:53,422 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 21:01:53,422 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:53,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:53,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2019-12-07 21:01:53,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:53,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946714721] [2019-12-07 21:01:53,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:53,557 INFO L264 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:01:53,560 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:53,577 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 21:01:53,577 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:53,582 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 21:01:53,582 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946714721] [2019-12-07 21:01:53,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:53,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 21:01:53,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602769949] [2019-12-07 21:01:53,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:01:53,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:53,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:01:53,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:01:53,583 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 6 states. [2019-12-07 21:01:53,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:53,682 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2019-12-07 21:01:53,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 21:01:53,683 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2019-12-07 21:01:53,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:53,686 INFO L225 Difference]: With dead ends: 872 [2019-12-07 21:01:53,686 INFO L226 Difference]: Without dead ends: 696 [2019-12-07 21:01:53,686 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 21:01:53,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2019-12-07 21:01:53,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2019-12-07 21:01:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-12-07 21:01:53,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2019-12-07 21:01:53,709 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2019-12-07 21:01:53,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:53,709 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2019-12-07 21:01:53,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:01:53,709 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2019-12-07 21:01:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-07 21:01:53,710 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:53,710 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 21:01:53,911 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 21:01:53,911 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:53,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:53,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2019-12-07 21:01:53,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:53,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285243857] [2019-12-07 21:01:53,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:54,004 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:01:54,005 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:54,030 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 21:01:54,030 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:54,056 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 21:01:54,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285243857] [2019-12-07 21:01:54,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [146312817] [2019-12-07 21:01:54,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:54,144 INFO L264 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:01:54,145 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:54,170 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 21:01:54,170 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:54,172 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 21:01:54,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2019-12-07 21:01:54,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2019-12-07 21:01:54,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624670985] [2019-12-07 21:01:54,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 21:01:54,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:54,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 21:01:54,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-12-07 21:01:54,174 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand 5 states. [2019-12-07 21:01:54,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:54,381 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2019-12-07 21:01:54,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 21:01:54,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-07 21:01:54,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:54,387 INFO L225 Difference]: With dead ends: 962 [2019-12-07 21:01:54,387 INFO L226 Difference]: Without dead ends: 960 [2019-12-07 21:01:54,388 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2019-12-07 21:01:54,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2019-12-07 21:01:54,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2019-12-07 21:01:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-12-07 21:01:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2019-12-07 21:01:54,423 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2019-12-07 21:01:54,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:54,424 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2019-12-07 21:01:54,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 21:01:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2019-12-07 21:01:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-07 21:01:54,425 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:54,425 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 21:01:54,826 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 21:01:54,827 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:54,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:54,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2019-12-07 21:01:54,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:54,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534650409] [2019-12-07 21:01:54,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:54,960 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:01:54,961 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:54,990 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 21:01:54,990 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:54,993 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:01:55,018 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 21:01:55,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534650409] [2019-12-07 21:01:55,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [586825492] [2019-12-07 21:01:55,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:55,114 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 21:01:55,115 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:55,138 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 21:01:55,138 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:55,160 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 21:01:55,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692440472] [2019-12-07 21:01:55,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:55,261 INFO L264 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 21:01:55,262 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:55,271 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 21:01:55,271 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:55,276 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 21:01:55,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 21:01:55,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2019-12-07 21:01:55,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883591669] [2019-12-07 21:01:55,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 21:01:55,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:55,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 21:01:55,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-07 21:01:55,278 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand 12 states. [2019-12-07 21:01:57,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:57,159 INFO L93 Difference]: Finished difference Result 4555 states and 5988 transitions. [2019-12-07 21:01:57,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-12-07 21:01:57,159 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-12-07 21:01:57,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:57,178 INFO L225 Difference]: With dead ends: 4555 [2019-12-07 21:01:57,178 INFO L226 Difference]: Without dead ends: 4255 [2019-12-07 21:01:57,181 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 322 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2048 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2019-12-07 21:01:57,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4255 states. [2019-12-07 21:01:57,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4255 to 640. [2019-12-07 21:01:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2019-12-07 21:01:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 842 transitions. [2019-12-07 21:01:57,263 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 842 transitions. Word has length 57 [2019-12-07 21:01:57,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:57,263 INFO L462 AbstractCegarLoop]: Abstraction has 640 states and 842 transitions. [2019-12-07 21:01:57,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 21:01:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 842 transitions. [2019-12-07 21:01:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-07 21:01:57,264 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:01:57,265 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 21:01:57,866 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 21:01:57,867 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:01:57,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:01:57,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2019-12-07 21:01:57,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:01:57,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420464765] [2019-12-07 21:01:57,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/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 21:01:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:01:57,996 INFO L264 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 21:01:57,998 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:01:58,011 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 21:01:58,011 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:01:58,028 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 21:01:58,028 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420464765] [2019-12-07 21:01:58,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:01:58,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 21:01:58,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282020094] [2019-12-07 21:01:58,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 21:01:58,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:01:58,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 21:01:58,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 21:01:58,029 INFO L87 Difference]: Start difference. First operand 640 states and 842 transitions. Second operand 8 states. [2019-12-07 21:01:58,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:01:58,088 INFO L93 Difference]: Finished difference Result 1030 states and 1326 transitions. [2019-12-07 21:01:58,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 21:01:58,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2019-12-07 21:01:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:01:58,089 INFO L225 Difference]: With dead ends: 1030 [2019-12-07 21:01:58,089 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:01:58,090 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 21:01:58,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:01:58,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:01:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:01:58,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:01:58,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2019-12-07 21:01:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:01:58,091 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:01:58,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 21:01:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:01:58,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:01:58,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 21:01:58,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:01:58,569 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 145 [2019-12-07 21:01:58,821 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 170 [2019-12-07 21:01:59,025 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2019-12-07 21:01:59,170 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 156 [2019-12-07 21:01:59,321 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 164 [2019-12-07 21:01:59,505 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-12-07 21:02:00,309 WARN L192 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 29 [2019-12-07 21:02:00,817 WARN L192 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2019-12-07 21:02:00,937 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2019-12-07 21:02:02,126 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2019-12-07 21:02:02,559 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 24 [2019-12-07 21:02:04,282 WARN L192 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 160 DAG size of output: 33 [2019-12-07 21:02:05,274 WARN L192 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2019-12-07 21:02:06,334 WARN L192 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2019-12-07 21:02:06,960 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 22 [2019-12-07 21:02:06,970 INFO L246 CegarLoopResult]: For program point L762(lines 762 766) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L762-3(lines 762 766) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L762-6(lines 762 766) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L697-3(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L697-5(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L242 CegarLoopResult]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)))) (and .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse3))) [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L697-6(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,971 INFO L242 CegarLoopResult]: At program point L466(lines 419 467) the Hoare annotation is: false [2019-12-07 21:02:06,971 INFO L242 CegarLoopResult]: At program point L499-1(lines 499 505) the Hoare annotation is: false [2019-12-07 21:02:06,971 INFO L246 CegarLoopResult]: For program point L697-8(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L242 CegarLoopResult]: At program point L499-2(lines 499 505) the Hoare annotation is: false [2019-12-07 21:02:06,972 INFO L246 CegarLoopResult]: For program point L697-9(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L246 CegarLoopResult]: For program point L697-11(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L246 CegarLoopResult]: For program point L697-12(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L246 CegarLoopResult]: For program point L697-14(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L246 CegarLoopResult]: For program point L697-15(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L246 CegarLoopResult]: For program point L697-17(lines 697 701) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L242 CegarLoopResult]: At program point L896-2(lines 896 910) the Hoare annotation is: false [2019-12-07 21:02:06,972 INFO L246 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2019-12-07 21:02:06,972 INFO L242 CegarLoopResult]: At program point L831(lines 826 834) 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) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse0 .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 21:02:06,972 INFO L242 CegarLoopResult]: At program point L831-1(lines 826 834) the Hoare annotation is: false [2019-12-07 21:02:06,972 INFO L242 CegarLoopResult]: At program point L831-2(lines 826 834) the Hoare annotation is: false [2019-12-07 21:02:06,972 INFO L242 CegarLoopResult]: At program point L799(lines 794 802) 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))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:02:06,973 INFO L242 CegarLoopResult]: At program point L799-1(lines 794 802) the Hoare annotation is: false [2019-12-07 21:02:06,973 INFO L242 CegarLoopResult]: At program point L733(lines 1 979) 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 21:02:06,973 INFO L242 CegarLoopResult]: At program point L799-2(lines 794 802) the Hoare annotation is: false [2019-12-07 21:02:06,973 INFO L246 CegarLoopResult]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-12-07 21:02:06,973 INFO L246 CegarLoopResult]: For program point L867(lines 867 880) no Hoare annotation was computed. [2019-12-07 21:02:06,973 INFO L246 CegarLoopResult]: For program point L900-1(lines 492 498) no Hoare annotation was computed. [2019-12-07 21:02:06,973 INFO L242 CegarLoopResult]: At program point L867-1(lines 1 979) 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 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse1) (and .cse2 .cse3 .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse3 .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 21:02:06,973 INFO L246 CegarLoopResult]: For program point L867-2(lines 867 880) no Hoare annotation was computed. [2019-12-07 21:02:06,973 INFO L242 CegarLoopResult]: At program point L867-3(lines 1 979) the Hoare annotation is: false [2019-12-07 21:02:06,973 INFO L246 CegarLoopResult]: For program point L867-4(lines 867 880) no Hoare annotation was computed. [2019-12-07 21:02:06,973 INFO L242 CegarLoopResult]: At program point L867-5(lines 1 979) the Hoare annotation is: false [2019-12-07 21:02:06,973 INFO L246 CegarLoopResult]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-12-07 21:02:06,973 INFO L249 CegarLoopResult]: At program point L967-1(lines 967 974) the Hoare annotation is: true [2019-12-07 21:02:06,973 INFO L242 CegarLoopResult]: At program point L703(lines 688 706) the Hoare annotation is: (and (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 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_isLowWaterLevel_~tmp~8 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) [2019-12-07 21:02:06,974 INFO L242 CegarLoopResult]: At program point L703-1(lines 688 706) the Hoare annotation is: false [2019-12-07 21:02:06,974 INFO L242 CegarLoopResult]: At program point L703-2(lines 688 706) the Hoare annotation is: false [2019-12-07 21:02:06,974 INFO L242 CegarLoopResult]: At program point L703-3(lines 688 706) the Hoare annotation is: false [2019-12-07 21:02:06,974 INFO L242 CegarLoopResult]: At program point L703-4(lines 688 706) the Hoare annotation is: false [2019-12-07 21:02:06,974 INFO L242 CegarLoopResult]: At program point L703-5(lines 688 706) the Hoare annotation is: false [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-12-07 21:02:06,974 INFO L242 CegarLoopResult]: At program point L440-1(lines 440 446) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.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 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse3) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse3))) [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point L871-4(lines 871 877) no Hoare annotation was computed. [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point L839-1(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,974 INFO L246 CegarLoopResult]: For program point L839-2(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-3(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-4(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-5(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-6(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-7(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-8(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-9(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-10(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L839-11(lines 839 845) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L242 CegarLoopResult]: At program point L741(lines 736 744) 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 21:02:06,975 INFO L246 CegarLoopResult]: For program point L576(lines 576 593) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L576-1(lines 576 593) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L576-2(lines 576 593) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,975 INFO L246 CegarLoopResult]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-3(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-5(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-6(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-8(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-9(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-11(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-12(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-14(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-15(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-17(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-18(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,976 INFO L246 CegarLoopResult]: For program point L678-20(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L246 CegarLoopResult]: For program point L678-21(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L249 CegarLoopResult]: At program point L976(lines 957 979) the Hoare annotation is: true [2019-12-07 21:02:06,977 INFO L246 CegarLoopResult]: For program point L678-23(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L246 CegarLoopResult]: For program point L678-24(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L242 CegarLoopResult]: At program point L844(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,977 INFO L246 CegarLoopResult]: For program point L678-26(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L242 CegarLoopResult]: At program point L844-1(lines 835 848) 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))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:02:06,977 INFO L246 CegarLoopResult]: For program point L678-27(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L242 CegarLoopResult]: At program point L844-2(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,977 INFO L242 CegarLoopResult]: At program point L844-3(lines 835 848) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.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 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2))) [2019-12-07 21:02:06,977 INFO L246 CegarLoopResult]: For program point L678-29(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L242 CegarLoopResult]: At program point L844-4(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,977 INFO L246 CegarLoopResult]: For program point L678-30(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,977 INFO L242 CegarLoopResult]: At program point L844-5(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,977 INFO L242 CegarLoopResult]: At program point L844-6(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L678-32(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L242 CegarLoopResult]: At program point L844-7(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L678-33(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L580(lines 580 588) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L242 CegarLoopResult]: At program point L844-8(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L580-1(lines 580 588) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L242 CegarLoopResult]: At program point L844-9(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L678-35(lines 678 682) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L580-2(lines 580 588) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L242 CegarLoopResult]: At program point L844-10(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,978 INFO L242 CegarLoopResult]: At program point L844-11(lines 835 848) the Hoare annotation is: false [2019-12-07 21:02:06,978 INFO L242 CegarLoopResult]: At program point L944(lines 940 946) 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 21:02:06,978 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L550-1(lines 550 567) no Hoare annotation was computed. [2019-12-07 21:02:06,978 INFO L246 CegarLoopResult]: For program point L550-2(lines 550 567) no Hoare annotation was computed. [2019-12-07 21:02:06,979 INFO L246 CegarLoopResult]: For program point L550-3(lines 550 567) no Hoare annotation was computed. [2019-12-07 21:02:06,979 INFO L246 CegarLoopResult]: For program point L550-4(lines 550 567) no Hoare annotation was computed. [2019-12-07 21:02:06,979 INFO L246 CegarLoopResult]: For program point L550-5(lines 550 567) no Hoare annotation was computed. [2019-12-07 21:02:06,979 INFO L246 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2019-12-07 21:02:06,979 INFO L246 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,979 INFO L246 CegarLoopResult]: For program point L750-2(line 750) no Hoare annotation was computed. [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-1(lines 669 687) 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 ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)))) [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-2(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-3(lines 669 687) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.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 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse2 (= (_ bv0 32) (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)))))) [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-4(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-5(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-6(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-7(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-8(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,979 INFO L242 CegarLoopResult]: At program point L684-9(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,980 INFO L242 CegarLoopResult]: At program point L684-10(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,980 INFO L242 CegarLoopResult]: At program point L684-11(lines 669 687) the Hoare annotation is: false [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L242 CegarLoopResult]: At program point L620(lines 613 623) 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))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 21:02:06,980 INFO L242 CegarLoopResult]: At program point L620-1(lines 613 623) the Hoare annotation is: false [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L554(lines 554 562) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L242 CegarLoopResult]: At program point L620-2(lines 613 623) the Hoare annotation is: false [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L554-1(lines 554 562) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L554-2(lines 554 562) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L554-3(lines 554 562) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L554-4(lines 554 562) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L554-5(lines 554 562) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2019-12-07 21:02:06,980 INFO L246 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L456-2(lines 492 498) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L242 CegarLoopResult]: At program point L854(lines 849 857) 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))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32))) [2019-12-07 21:02:06,981 INFO L242 CegarLoopResult]: At program point L854-1(lines 849 857) the Hoare annotation is: false [2019-12-07 21:02:06,981 INFO L242 CegarLoopResult]: At program point L854-2(lines 849 857) the Hoare annotation is: false [2019-12-07 21:02:06,981 INFO L242 CegarLoopResult]: At program point L854-3(lines 849 857) the Hoare annotation is: false [2019-12-07 21:02:06,981 INFO L242 CegarLoopResult]: At program point L854-4(lines 849 857) the Hoare annotation is: false [2019-12-07 21:02:06,981 INFO L242 CegarLoopResult]: At program point L854-5(lines 849 857) the Hoare annotation is: false [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-1(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-2(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-3(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-4(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-5(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-6(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-7(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-8(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,981 INFO L246 CegarLoopResult]: For program point L524-9(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L524-10(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L524-11(lines 524 541) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L242 CegarLoopResult]: At program point L492(lines 491 510) 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 .cse0 .cse3 .cse1 .cse2) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse2))) [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L492-1(lines 492 498) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L242 CegarLoopResult]: At program point L492-2(lines 491 510) the Hoare annotation is: false [2019-12-07 21:02:06,982 INFO L242 CegarLoopResult]: At program point L492-3(lines 491 510) the Hoare annotation is: false [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528-1(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528-2(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528-3(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528-4(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528-5(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528-6(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,982 INFO L246 CegarLoopResult]: For program point L528-7(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,983 INFO L246 CegarLoopResult]: For program point L528-8(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,983 INFO L246 CegarLoopResult]: For program point L528-9(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,983 INFO L246 CegarLoopResult]: For program point L528-10(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,983 INFO L246 CegarLoopResult]: For program point L528-11(lines 528 536) no Hoare annotation was computed. [2019-12-07 21:02:06,983 INFO L246 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-12-07 21:02:06,983 INFO L242 CegarLoopResult]: At program point L430-1(lines 430 436) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse2) (and .cse3 .cse4 .cse0 .cse5 .cse2) (and .cse3 .cse0 .cse5 .cse1 .cse2) (and .cse3 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse0 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)))) [2019-12-07 21:02:06,983 INFO L242 CegarLoopResult]: At program point L629(lines 624 632) the Hoare annotation is: false [2019-12-07 21:02:06,983 INFO L242 CegarLoopResult]: At program point L629-1(lines 624 632) the Hoare annotation is: false [2019-12-07 21:02:06,983 INFO L242 CegarLoopResult]: At program point L629-2(lines 624 632) the Hoare annotation is: false [2019-12-07 21:02:07,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:02:07 BoogieIcfgContainer [2019-12-07 21:02:07,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:02:07,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:02:07,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:02:07,011 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:02:07,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:01:50" (3/4) ... [2019-12-07 21:02:07,014 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:02:07,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 21:02:07,038 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 21:02:07,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 21:02:07,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 21:02:07,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:02:07,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:02:07,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 21:02:07,072 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 21:02:07,073 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) [2019-12-07 21:02:07,073 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)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:02:07,073 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)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:02:07,074 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) || ((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:02:07,075 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 21:02:07,075 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 [2019-12-07 21:02:07,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 [2019-12-07 21:02:07,077 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)) && splverifierCounter == 0bv32) [2019-12-07 21:02:07,078 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)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) [2019-12-07 21:02:07,078 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 21:02:07,079 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)) && tmp == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 21:02:07,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32 [2019-12-07 21:02:07,080 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32) [2019-12-07 21:02:07,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a1862284-0fbd-4b3a-adf9-6310e6a35869/bin/utaipan/witness.graphml [2019-12-07 21:02:07,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:02:07,137 INFO L168 Benchmark]: Toolchain (without parser) took 18339.20 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 425.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -107.0 MB). Peak memory consumption was 318.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:07,137 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 21:02:07,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:07,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:02:07,138 INFO L168 Benchmark]: Boogie Preprocessor took 48.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:07,138 INFO L168 Benchmark]: RCFGBuilder took 762.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 96.4 MB). Peak memory consumption was 96.4 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:07,139 INFO L168 Benchmark]: TraceAbstraction took 16928.06 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 295.2 MB). Free memory was 995.3 MB in the beginning and 1.1 GB in the end (delta: -75.2 MB). Peak memory consumption was 441.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:07,139 INFO L168 Benchmark]: Witness Printer took 125.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:02:07,140 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 415.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 762.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.3 MB in the end (delta: 96.4 MB). Peak memory consumption was 96.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16928.06 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 295.2 MB). Free memory was 995.3 MB in the beginning and 1.1 GB in the end (delta: -75.2 MB). Peak memory consumption was 441.0 MB. Max. memory is 11.5 GB. * Witness Printer took 125.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 750]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 750]: 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: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && tmp == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: 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)) && \result == 0bv32) && tmp___0 == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((((((1bv32 == \result && !(0bv32 == \result)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && tmp___0 == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: 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)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) || (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((((((0bv32 == ~bvadd64(tmp___0, 4294967295bv32) && !(0bv32 == \result)) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) && tmp == 0bv32 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(tmp, 4294967295bv32)) || ((0bv32 == ~bvadd64(systemActive, 4294967295bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && !(0bv32 == \result)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((0bv32 == pumpRunning && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) && 1bv32 == \result) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: 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)) || ((((!(0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: 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: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((!(0bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && !(tmp == 0bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 835]: 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)) && splverifierCounter == 0bv32) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, HoareTripleCheckerStatistics: 1643 SDtfs, 5199 SDslu, 4469 SDs, 0 SdLazy, 861 SolverSat, 227 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1258 GetRequests, 1118 SyntacticMatches, 5 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2116 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, 66 LocationsWithAnnotation, 66 PreInvPairs, 198 NumberOfFragments, 747 HoareAnnotationTreeSize, 66 FomulaSimplifications, 1166178 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 66 FomulaSimplificationsInter, 451452 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 153548 SizeOfPredicates, 41 NumberOfNonLiveVariables, 2963 ConjunctsInSsa, 68 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...