./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.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_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 21b7318e0534e2795ffc81aa5194a01e66c6f479 ...................................................................................................................................... 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_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 21b7318e0534e2795ffc81aa5194a01e66c6f479 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:29:05,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:29:05,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:29:05,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:29:05,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:29:05,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:29:05,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:29:05,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:29:05,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:29:05,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:29:05,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:29:05,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:29:05,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:29:05,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:29:05,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:29:05,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:29:05,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:29:05,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:29:05,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:29:05,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:29:05,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:29:05,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:29:05,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:29:05,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:29:05,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:29:05,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:29:05,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:29:05,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:29:05,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:29:05,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:29:05,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:29:05,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:29:05,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:29:05,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:29:05,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:29:05,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:29:05,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:29:05,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:29:05,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:29:05,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:29:05,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:29:05,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:29:05,159 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:29:05,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:29:05,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:29:05,160 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:29:05,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:29:05,161 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:29:05,161 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:29:05,161 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:29:05,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:29:05,161 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:29:05,161 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:29:05,162 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:29:05,162 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:29:05,162 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:29:05,162 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:29:05,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:29:05,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:29:05,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:29:05,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:29:05,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:29:05,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:29:05,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:29:05,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:29:05,164 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:29:05,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:29:05,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:29:05,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:29:05,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:29:05,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:29:05,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:29:05,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:29:05,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:29:05,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:29:05,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:29:05,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:29:05,166 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:29:05,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:29:05,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:29:05,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:29:05,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:29:05,167 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_14aebcf5-257c-4f8c-ae97-980df905c102/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 -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2019-12-07 12:29:05,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:29:05,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:29:05,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:29:05,285 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:29:05,286 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:29:05,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2019-12-07 12:29:05,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/4b59c4c87/4688d01755b3423992904c27841e2083/FLAGfff60c810 [2019-12-07 12:29:05,760 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:29:05,760 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2019-12-07 12:29:05,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/4b59c4c87/4688d01755b3423992904c27841e2083/FLAGfff60c810 [2019-12-07 12:29:05,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/4b59c4c87/4688d01755b3423992904c27841e2083 [2019-12-07 12:29:05,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:29:05,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:29:05,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:05,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:29:05,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:29:05,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:05" (1/1) ... [2019-12-07 12:29:05,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b2671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:05, skipping insertion in model container [2019-12-07 12:29:05,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:05" (1/1) ... [2019-12-07 12:29:05,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:29:05,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:29:06,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:06,058 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 12:29:06,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fec5a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:06, skipping insertion in model container [2019-12-07 12:29:06,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:06,059 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 12:29:06,061 INFO L168 Benchmark]: Toolchain (without parser) took 281.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -136.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:06,061 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:29:06,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:06,063 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 309]: 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 12:29:07,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:29:07,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:29:07,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:29:07,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:29:07,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:29:07,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:29:07,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:29:07,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:29:07,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:29:07,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:29:07,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:29:07,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:29:07,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:29:07,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:29:07,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:29:07,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:29:07,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:29:07,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:29:07,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:29:07,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:29:07,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:29:07,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:29:07,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:29:07,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:29:07,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:29:07,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:29:07,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:29:07,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:29:07,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:29:07,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:29:07,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:29:07,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:29:07,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:29:07,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:29:07,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:29:07,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:29:07,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:29:07,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:29:07,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:29:07,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:29:07,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:29:07,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:29:07,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:29:07,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:29:07,262 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:29:07,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:29:07,262 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:29:07,262 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:29:07,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:29:07,263 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:29:07,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:29:07,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:29:07,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:29:07,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:29:07,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:29:07,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:29:07,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:29:07,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:29:07,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:29:07,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:29:07,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:29:07,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:29:07,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:29:07,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:29:07,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:29:07,266 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:29:07,266 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:29:07,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:29:07,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:29:07,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:29:07,267 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_14aebcf5-257c-4f8c-ae97-980df905c102/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 -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2019-12-07 12:29:07,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:29:07,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:29:07,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:29:07,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:29:07,443 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:29:07,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2019-12-07 12:29:07,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/8a5bd1c6f/dcd1fc42008d4273a0735732eaafca61/FLAGe6312a590 [2019-12-07 12:29:07,917 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:29:07,917 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2019-12-07 12:29:07,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/8a5bd1c6f/dcd1fc42008d4273a0735732eaafca61/FLAGe6312a590 [2019-12-07 12:29:08,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/data/8a5bd1c6f/dcd1fc42008d4273a0735732eaafca61 [2019-12-07 12:29:08,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:29:08,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:29:08,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:08,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:29:08,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:29:08,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e232920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08, skipping insertion in model container [2019-12-07 12:29:08,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:29:08,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:29:08,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:08,556 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 12:29:08,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:29:08,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:08,625 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:29:08,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:29:08,695 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:29:08,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08 WrapperNode [2019-12-07 12:29:08,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:29:08,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:29:08,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:29:08,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:29:08,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:29:08,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:29:08,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:29:08,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:29:08,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... [2019-12-07 12:29:08,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:29:08,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:29:08,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:29:08,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:29:08,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:29:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 12:29:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:29:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:29:09,412 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:29:09,413 INFO L287 CfgBuilder]: Removed 198 assume(true) statements. [2019-12-07 12:29:09,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:09 BoogieIcfgContainer [2019-12-07 12:29:09,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:29:09,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:29:09,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:29:09,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:29:09,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:29:08" (1/3) ... [2019-12-07 12:29:09,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197783d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:09, skipping insertion in model container [2019-12-07 12:29:09,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:08" (2/3) ... [2019-12-07 12:29:09,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197783d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:29:09, skipping insertion in model container [2019-12-07 12:29:09,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:09" (3/3) ... [2019-12-07 12:29:09,420 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2019-12-07 12:29:09,427 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:29:09,432 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 12:29:09,439 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:29:09,455 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:29:09,455 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:29:09,455 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:29:09,455 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:29:09,455 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:29:09,456 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:29:09,456 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:29:09,456 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:29:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-12-07 12:29:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 12:29:09,473 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:09,473 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:29:09,474 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:09,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:09,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2019-12-07 12:29:09,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:09,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243095573] [2019-12-07 12:29:09,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:09,620 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:29:09,623 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:09,633 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 12:29:09,633 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:09,637 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 12:29:09,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243095573] [2019-12-07 12:29:09,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:09,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:29:09,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606739621] [2019-12-07 12:29:09,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:29:09,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:09,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:29:09,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:29:09,657 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-12-07 12:29:09,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:09,684 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-12-07 12:29:09,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:29:09,686 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-12-07 12:29:09,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:09,698 INFO L225 Difference]: With dead ends: 268 [2019-12-07 12:29:09,698 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 12:29:09,701 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 12:29:09,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 12:29:09,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-12-07 12:29:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-12-07 12:29:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-12-07 12:29:09,734 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-12-07 12:29:09,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:09,735 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-12-07 12:29:09,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:29:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-12-07 12:29:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 12:29:09,736 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:09,736 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 12:29:09,936 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:29:09,937 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:09,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:09,937 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2019-12-07 12:29:09,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:09,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940083637] [2019-12-07 12:29:09,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:10,047 INFO L264 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:29:10,049 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:10,062 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 12:29:10,062 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:10,070 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 12:29:10,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940083637] [2019-12-07 12:29:10,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:10,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:29:10,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26519530] [2019-12-07 12:29:10,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:29:10,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:10,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:29:10,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:29:10,073 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 4 states. [2019-12-07 12:29:10,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:10,085 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-12-07 12:29:10,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:29:10,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-12-07 12:29:10,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:10,087 INFO L225 Difference]: With dead ends: 133 [2019-12-07 12:29:10,087 INFO L226 Difference]: Without dead ends: 55 [2019-12-07 12:29:10,088 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 12:29:10,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-12-07 12:29:10,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-12-07 12:29:10,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-12-07 12:29:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-12-07 12:29:10,093 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-12-07 12:29:10,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:10,093 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-12-07 12:29:10,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:29:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-12-07 12:29:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-07 12:29:10,094 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:10,094 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 12:29:10,295 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:29:10,296 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:10,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:10,297 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2019-12-07 12:29:10,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:10,299 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185705014] [2019-12-07 12:29:10,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:10,491 INFO L264 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:29:10,493 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:10,499 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 12:29:10,500 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:10,506 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 12:29:10,506 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185705014] [2019-12-07 12:29:10,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:10,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 12:29:10,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890690002] [2019-12-07 12:29:10,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:29:10,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:10,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:29:10,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:29:10,508 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 4 states. [2019-12-07 12:29:10,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:10,569 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-12-07 12:29:10,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:29:10,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2019-12-07 12:29:10,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:10,571 INFO L225 Difference]: With dead ends: 176 [2019-12-07 12:29:10,571 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 12:29:10,571 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 12:29:10,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 12:29:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-12-07 12:29:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-12-07 12:29:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-12-07 12:29:10,581 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-12-07 12:29:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:10,581 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-12-07 12:29:10,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:29:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-12-07 12:29:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 12:29:10,582 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:10,582 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] [2019-12-07 12:29:10,783 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:29:10,784 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:10,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:10,784 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2019-12-07 12:29:10,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:10,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742435573] [2019-12-07 12:29:10,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:10,935 INFO L264 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:29:10,937 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:10,942 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 12:29:10,942 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:10,944 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 12:29:10,944 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742435573] [2019-12-07 12:29:10,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:10,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:29:10,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394731774] [2019-12-07 12:29:10,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:29:10,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:10,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:29:10,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:10,946 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-12-07 12:29:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:11,011 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-12-07 12:29:11,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:29:11,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 12:29:11,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:11,012 INFO L225 Difference]: With dead ends: 163 [2019-12-07 12:29:11,013 INFO L226 Difference]: Without dead ends: 95 [2019-12-07 12:29:11,013 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:29:11,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-12-07 12:29:11,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-12-07 12:29:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-12-07 12:29:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-12-07 12:29:11,022 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-12-07 12:29:11,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:11,022 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-12-07 12:29:11,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:29:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-12-07 12:29:11,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-07 12:29:11,023 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:11,023 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 12:29:11,223 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 12:29:11,224 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:11,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:11,225 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2019-12-07 12:29:11,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:11,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262016344] [2019-12-07 12:29:11,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:11,381 INFO L264 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:29:11,382 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:11,395 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 12:29:11,395 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:11,400 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 12:29:11,401 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262016344] [2019-12-07 12:29:11,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:11,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-12-07 12:29:11,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427923530] [2019-12-07 12:29:11,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:29:11,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:11,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:29:11,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:29:11,402 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2019-12-07 12:29:11,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:11,502 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2019-12-07 12:29:11,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:29:11,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-07 12:29:11,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:11,505 INFO L225 Difference]: With dead ends: 477 [2019-12-07 12:29:11,505 INFO L226 Difference]: Without dead ends: 390 [2019-12-07 12:29:11,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:29:11,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-12-07 12:29:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2019-12-07 12:29:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 12:29:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2019-12-07 12:29:11,523 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2019-12-07 12:29:11,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:11,523 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2019-12-07 12:29:11,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:29:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2019-12-07 12:29:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 12:29:11,524 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:11,525 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] [2019-12-07 12:29:11,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 12:29:11,726 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:11,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:11,727 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2019-12-07 12:29:11,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:11,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395060737] [2019-12-07 12:29:11,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:11,919 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:29:11,920 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:11,932 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 12:29:11,933 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:11,935 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 12:29:11,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395060737] [2019-12-07 12:29:11,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:11,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:29:11,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688300111] [2019-12-07 12:29:11,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:29:11,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:11,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:29:11,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:29:11,946 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand 5 states. [2019-12-07 12:29:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:12,092 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2019-12-07 12:29:12,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:29:12,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-07 12:29:12,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:12,095 INFO L225 Difference]: With dead ends: 490 [2019-12-07 12:29:12,095 INFO L226 Difference]: Without dead ends: 488 [2019-12-07 12:29:12,096 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:29:12,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-12-07 12:29:12,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2019-12-07 12:29:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-12-07 12:29:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2019-12-07 12:29:12,115 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2019-12-07 12:29:12,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:12,115 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2019-12-07 12:29:12,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:29:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2019-12-07 12:29:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 12:29:12,117 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:12,117 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, 1, 1, 1] [2019-12-07 12:29:12,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 12:29:12,319 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:12,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:12,320 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2019-12-07 12:29:12,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:12,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957595582] [2019-12-07 12:29:12,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:12,535 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:29:12,537 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:12,547 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 12:29:12,547 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:12,550 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 12:29:12,550 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957595582] [2019-12-07 12:29:12,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:12,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 12:29:12,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492088773] [2019-12-07 12:29:12,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:29:12,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:12,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:29:12,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:29:12,551 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand 5 states. [2019-12-07 12:29:12,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:12,603 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2019-12-07 12:29:12,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:29:12,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 12:29:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:12,605 INFO L225 Difference]: With dead ends: 500 [2019-12-07 12:29:12,605 INFO L226 Difference]: Without dead ends: 334 [2019-12-07 12:29:12,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 12:29:12,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-12-07 12:29:12,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2019-12-07 12:29:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-12-07 12:29:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2019-12-07 12:29:12,617 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2019-12-07 12:29:12,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:12,617 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2019-12-07 12:29:12,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:29:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2019-12-07 12:29:12,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 12:29:12,618 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:12,619 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, 1, 1, 1] [2019-12-07 12:29:12,819 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 12:29:12,820 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:12,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:12,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2019-12-07 12:29:12,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:12,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399756088] [2019-12-07 12:29:12,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:12,982 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 12:29:12,983 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:12,991 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 12:29:12,991 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:12,999 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 12:29:13,000 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399756088] [2019-12-07 12:29:13,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:13,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 12:29:13,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516851202] [2019-12-07 12:29:13,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:29:13,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:13,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:29:13,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:29:13,001 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand 6 states. [2019-12-07 12:29:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:13,061 INFO L93 Difference]: Finished difference Result 534 states and 726 transitions. [2019-12-07 12:29:13,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:29:13,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 12:29:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:13,064 INFO L225 Difference]: With dead ends: 534 [2019-12-07 12:29:13,064 INFO L226 Difference]: Without dead ends: 356 [2019-12-07 12:29:13,065 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 12:29:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-12-07 12:29:13,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 192. [2019-12-07 12:29:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-12-07 12:29:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2019-12-07 12:29:13,083 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2019-12-07 12:29:13,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:13,084 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2019-12-07 12:29:13,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:29:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2019-12-07 12:29:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 12:29:13,084 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:13,085 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, 1, 1, 1] [2019-12-07 12:29:13,285 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 12:29:13,285 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:13,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:13,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2019-12-07 12:29:13,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:13,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455235229] [2019-12-07 12:29:13,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:13,373 INFO L264 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:29:13,375 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:13,380 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 12:29:13,380 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:13,386 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 12:29:13,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455235229] [2019-12-07 12:29:13,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:13,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 12:29:13,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057337202] [2019-12-07 12:29:13,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:29:13,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:13,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:29:13,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:29:13,388 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand 4 states. [2019-12-07 12:29:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:13,444 INFO L93 Difference]: Finished difference Result 612 states and 832 transitions. [2019-12-07 12:29:13,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:29:13,445 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 12:29:13,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:13,447 INFO L225 Difference]: With dead ends: 612 [2019-12-07 12:29:13,447 INFO L226 Difference]: Without dead ends: 426 [2019-12-07 12:29:13,447 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 12:29:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-12-07 12:29:13,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 336. [2019-12-07 12:29:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-12-07 12:29:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 451 transitions. [2019-12-07 12:29:13,466 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 451 transitions. Word has length 34 [2019-12-07 12:29:13,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:13,466 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 451 transitions. [2019-12-07 12:29:13,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:29:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2019-12-07 12:29:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-07 12:29:13,467 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:13,467 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, 1, 1, 1, 1] [2019-12-07 12:29:13,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 12:29:13,668 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:13,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:13,669 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2019-12-07 12:29:13,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:13,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600384383] [2019-12-07 12:29:13,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-12-07 12:29:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:13,801 INFO L264 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 12:29:13,803 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:13,829 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 12:29:13,829 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:13,857 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 12:29:13,857 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600384383] [2019-12-07 12:29:13,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:13,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 12:29:13,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612285318] [2019-12-07 12:29:13,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 12:29:13,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:13,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 12:29:13,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:29:13,858 INFO L87 Difference]: Start difference. First operand 336 states and 451 transitions. Second operand 10 states. [2019-12-07 12:29:14,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:14,293 INFO L93 Difference]: Finished difference Result 1402 states and 1860 transitions. [2019-12-07 12:29:14,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-07 12:29:14,293 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-12-07 12:29:14,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:14,299 INFO L225 Difference]: With dead ends: 1402 [2019-12-07 12:29:14,299 INFO L226 Difference]: Without dead ends: 1072 [2019-12-07 12:29:14,300 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2019-12-07 12:29:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-12-07 12:29:14,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 336. [2019-12-07 12:29:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-12-07 12:29:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 443 transitions. [2019-12-07 12:29:14,339 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 443 transitions. Word has length 35 [2019-12-07 12:29:14,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:14,339 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 443 transitions. [2019-12-07 12:29:14,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 12:29:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 443 transitions. [2019-12-07 12:29:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 12:29:14,340 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:14,340 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, 1, 1, 1, 1, 1] [2019-12-07 12:29:14,540 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-12-07 12:29:14,541 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:14,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:14,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1734965659, now seen corresponding path program 1 times [2019-12-07 12:29:14,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:14,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278344346] [2019-12-07 12:29:14,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:14,665 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 12:29:14,667 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:14,700 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 12:29:14,700 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:14,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:29:14,725 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 12:29:14,725 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278344346] [2019-12-07 12:29:14,725 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [228197150] [2019-12-07 12:29:14,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:14,894 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 12:29:14,896 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:14,917 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 12:29:14,918 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:14,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:29:14,927 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 12:29:14,927 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136476109] [2019-12-07 12:29:14,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:15,074 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 12:29:15,076 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:15,091 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 12:29:15,091 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:15,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:29:15,100 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 12:29:15,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 12:29:15,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 8 [2019-12-07 12:29:15,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962014066] [2019-12-07 12:29:15,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 12:29:15,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:15,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 12:29:15,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:29:15,102 INFO L87 Difference]: Start difference. First operand 336 states and 443 transitions. Second operand 9 states. [2019-12-07 12:29:15,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:15,841 INFO L93 Difference]: Finished difference Result 3719 states and 4896 transitions. [2019-12-07 12:29:15,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-12-07 12:29:15,842 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2019-12-07 12:29:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:15,854 INFO L225 Difference]: With dead ends: 3719 [2019-12-07 12:29:15,854 INFO L226 Difference]: Without dead ends: 3389 [2019-12-07 12:29:15,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-12-07 12:29:15,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3389 states. [2019-12-07 12:29:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3389 to 881. [2019-12-07 12:29:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2019-12-07 12:29:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1181 transitions. [2019-12-07 12:29:15,952 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1181 transitions. Word has length 56 [2019-12-07 12:29:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:15,952 INFO L462 AbstractCegarLoop]: Abstraction has 881 states and 1181 transitions. [2019-12-07 12:29:15,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 12:29:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1181 transitions. [2019-12-07 12:29:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-07 12:29:15,953 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:29:15,953 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, 1, 1, 1, 1, 1] [2019-12-07 12:29:16,554 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 12:29:16,555 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:29:16,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:29:16,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1033901081, now seen corresponding path program 1 times [2019-12-07 12:29:16,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:29:16,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537190958] [2019-12-07 12:29:16,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/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 12:29:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:29:16,680 INFO L264 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 12:29:16,681 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:29:16,697 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 12:29:16,697 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:29:16,715 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 12:29:16,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537190958] [2019-12-07 12:29:16,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:29:16,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 12:29:16,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573924843] [2019-12-07 12:29:16,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:29:16,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:29:16,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:29:16,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:29:16,717 INFO L87 Difference]: Start difference. First operand 881 states and 1181 transitions. Second operand 8 states. [2019-12-07 12:29:16,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:29:16,794 INFO L93 Difference]: Finished difference Result 1447 states and 1900 transitions. [2019-12-07 12:29:16,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:29:16,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2019-12-07 12:29:16,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:29:16,795 INFO L225 Difference]: With dead ends: 1447 [2019-12-07 12:29:16,795 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:29:16,796 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 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 12:29:16,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:29:16,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:29:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:29:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:29:16,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-12-07 12:29:16,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:29:16,797 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:29:16,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:29:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:29:16,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:29:16,997 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2019-12-07 12:29:17,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:29:17,332 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 192 [2019-12-07 12:29:17,486 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 184 [2019-12-07 12:29:17,864 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 240 [2019-12-07 12:29:18,095 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 232 [2019-12-07 12:29:18,379 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 236 [2019-12-07 12:29:18,662 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 244 [2019-12-07 12:29:18,815 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 194 [2019-12-07 12:29:20,471 WARN L192 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 188 DAG size of output: 39 [2019-12-07 12:29:20,624 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2019-12-07 12:29:21,917 WARN L192 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 183 DAG size of output: 33 [2019-12-07 12:29:22,592 WARN L192 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 23 [2019-12-07 12:29:22,714 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2019-12-07 12:29:22,826 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2019-12-07 12:29:25,113 WARN L192 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 239 DAG size of output: 31 [2019-12-07 12:29:27,193 WARN L192 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 231 DAG size of output: 29 [2019-12-07 12:29:27,784 WARN L192 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2019-12-07 12:29:29,972 WARN L192 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2019-12-07 12:29:32,033 WARN L192 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 243 DAG size of output: 31 [2019-12-07 12:29:33,629 WARN L192 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 39 [2019-12-07 12:29:34,493 WARN L192 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 37 [2019-12-07 12:29:34,843 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 22 [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L267(lines 267 273) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L267-2(lines 267 273) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L267-4(lines 267 273) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L698(lines 698 713) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L831(lines 831 837) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L798(lines 798 806) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2019-12-07 12:29:34,856 INFO L246 CegarLoopResult]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2019-12-07 12:29:34,857 INFO L246 CegarLoopResult]: For program point L831-6(lines 831 837) no Hoare annotation was computed. [2019-12-07 12:29:34,857 INFO L246 CegarLoopResult]: For program point L831-8(lines 831 837) no Hoare annotation was computed. [2019-12-07 12:29:34,857 INFO L246 CegarLoopResult]: For program point L831-10(lines 831 837) no Hoare annotation was computed. [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L865(lines 860 868) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3 .cse4))) [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L865-1(lines 860 868) the Hoare annotation is: false [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L865-2(lines 860 868) the Hoare annotation is: false [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L238(lines 229 242) the Hoare annotation is: false [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L238-1(lines 229 242) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse5) (and .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse5))) [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L238-2(lines 229 242) the Hoare annotation is: false [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L238-3(lines 229 242) the Hoare annotation is: false [2019-12-07 12:29:34,857 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-12-07 12:29:34,857 INFO L242 CegarLoopResult]: At program point L238-4(lines 229 242) the Hoare annotation is: false [2019-12-07 12:29:34,858 INFO L242 CegarLoopResult]: At program point L238-5(lines 229 242) the Hoare annotation is: false [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L933(lines 933 937) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L933-3(lines 933 937) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L768(lines 768 785) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L933-5(lines 933 937) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L768-1(lines 768 785) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L933-6(lines 933 937) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L768-2(lines 768 785) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L669(lines 668 717) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L768-3(lines 768 785) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L933-8(lines 933 937) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L768-4(lines 768 785) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L768-5(lines 768 785) no Hoare annotation was computed. [2019-12-07 12:29:34,858 INFO L242 CegarLoopResult]: At program point L736(lines 735 754) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse6 .cse2 .cse3))) [2019-12-07 12:29:34,858 INFO L246 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L242 CegarLoopResult]: At program point L736-2(lines 735 754) the Hoare annotation is: false [2019-12-07 12:29:34,859 INFO L242 CegarLoopResult]: At program point L736-3(lines 735 754) the Hoare annotation is: false [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L772(lines 772 780) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L772-1(lines 772 780) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L242 CegarLoopResult]: At program point L706-1(lines 736 742) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse6 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse2 .cse6 .cse3))) [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L772-3(lines 772 780) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L772-4(lines 772 780) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L772-5(lines 772 780) no Hoare annotation was computed. [2019-12-07 12:29:34,859 INFO L242 CegarLoopResult]: At program point L939(lines 924 942) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32)))) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32))) (.cse5 (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse4 .cse5 .cse6))) [2019-12-07 12:29:34,859 INFO L242 CegarLoopResult]: At program point L939-1(lines 924 942) the Hoare annotation is: false [2019-12-07 12:29:34,859 INFO L242 CegarLoopResult]: At program point L939-2(lines 924 942) the Hoare annotation is: false [2019-12-07 12:29:34,859 INFO L246 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and (not (= ~systemActive~0 (_ bv0 32))) .cse2 .cse5 .cse3) (and .cse0 .cse2 .cse5 .cse3))) [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L743-1(lines 743 749) the Hoare annotation is: false [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L743-2(lines 743 749) the Hoare annotation is: false [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L248(lines 243 251) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L248-1(lines 243 251) the Hoare annotation is: false [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L248-2(lines 243 251) the Hoare annotation is: false [2019-12-07 12:29:34,860 INFO L246 CegarLoopResult]: For program point L678(lines 678 684) no Hoare annotation was computed. [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L678-1(lines 678 684) the Hoare annotation is: (let ((.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse9 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse8 .cse2 .cse9 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 .cse4))) [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-12-07 12:29:34,860 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:29:34,860 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-12-07 12:29:34,860 INFO L246 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-12-07 12:29:34,860 INFO L242 CegarLoopResult]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 .cse2 .cse5 .cse3))) [2019-12-07 12:29:34,860 INFO L246 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-3(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-5(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-6(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-8(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-9(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-11(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-12(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-14(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-15(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L914-17(lines 914 918) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L56-1(lines 736 742) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L651-1(line 651) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L651-2(line 651) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L246 CegarLoopResult]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2019-12-07 12:29:34,861 INFO L242 CegarLoopResult]: At program point L718(lines 667 719) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:29:34,862 INFO L246 CegarLoopResult]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L688-1(lines 688 694) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse6 .cse3) (and .cse0 .cse2 .cse6 .cse3))) [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193(lines 188 196) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-1(lines 188 196) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-2(lines 188 196) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse7 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (not (= ~systemActive~0 (_ bv0 32))) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse6 .cse1 .cse7 .cse3))) [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-3(lines 188 196) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-4(lines 188 196) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-5(lines 188 196) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-6(lines 188 196) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-7(lines 188 196) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L193-8(lines 188 196) the Hoare annotation is: false [2019-12-07 12:29:34,862 INFO L242 CegarLoopResult]: At program point L920(lines 905 923) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L920-1(lines 905 923) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 .cse8 .cse9 .cse6) (and .cse0 .cse2 .cse9 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse6 .cse7))) [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L920-2(lines 905 923) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L920-3(lines 905 923) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L920-4(lines 905 923) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L920-5(lines 905 923) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L856(lines 849 859) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L856-1(lines 849 859) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32))) .cse2 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv0 32) (bvadd |ULTIMATE.start_isMethaneAlarm_#res| (_ bv4294967295 32)))) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse3))) [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L856-2(lines 849 859) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L856-3(lines 849 859) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L856-4(lines 849 859) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L856-5(lines 849 859) the Hoare annotation is: false [2019-12-07 12:29:34,863 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-12-07 12:29:34,863 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-12-07 12:29:34,863 INFO L242 CegarLoopResult]: At program point L989(lines 1 1000) 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 12:29:34,863 INFO L246 CegarLoopResult]: For program point L263(lines 263 276) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L242 CegarLoopResult]: At program point L263-1(lines 1 1000) the Hoare annotation is: (let ((.cse8 (= (_ bv0 32) (bvadd ~methaneLevelCritical~0 (_ bv4294967295 32)))) (.cse9 (= (bvadd |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1)) (.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse3 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse8 .cse2 .cse9 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 .cse4))) [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L263-2(lines 263 276) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L242 CegarLoopResult]: At program point L263-3(lines 1 1000) the Hoare annotation is: false [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L263-4(lines 263 276) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L242 CegarLoopResult]: At program point L263-5(lines 1 1000) the Hoare annotation is: false [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L794(lines 794 811) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L233-1(lines 233 239) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L233-2(lines 233 239) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L233-3(lines 233 239) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L233-4(lines 233 239) no Hoare annotation was computed. [2019-12-07 12:29:34,864 INFO L246 CegarLoopResult]: For program point L233-5(lines 233 239) no Hoare annotation was computed. [2019-12-07 12:29:34,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:29:34 BoogieIcfgContainer [2019-12-07 12:29:34,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:29:34,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:29:34,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:29:34,894 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:29:34,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:09" (3/4) ... [2019-12-07 12:29:34,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:29:34,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 12:29:34,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:29:34,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 12:29:34,912 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 12:29:34,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:29:34,914 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:29:34,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:29:34,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 12:29:34,934 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 [2019-12-07 12:29:34,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,936 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,937 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,937 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,937 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 12:29:34,939 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,939 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) [2019-12-07 12:29:34,982 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_14aebcf5-257c-4f8c-ae97-980df905c102/bin/utaipan/witness.graphml [2019-12-07 12:29:34,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:29:34,983 INFO L168 Benchmark]: Toolchain (without parser) took 26699.63 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 511.2 MB). Free memory was 947.0 MB in the beginning and 993.3 MB in the end (delta: -46.3 MB). Peak memory consumption was 464.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:34,983 INFO L168 Benchmark]: CDTParser took 0.17 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 12:29:34,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:34,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.81 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:34,984 INFO L168 Benchmark]: Boogie Preprocessor took 40.50 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 12:29:34,984 INFO L168 Benchmark]: RCFGBuilder took 624.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:34,984 INFO L168 Benchmark]: TraceAbstraction took 25478.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 388.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.0 MB). Peak memory consumption was 564.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:34,984 INFO L168 Benchmark]: Witness Printer took 88.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 993.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:29:34,985 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 409.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.81 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.50 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. * RCFGBuilder took 624.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25478.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 388.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.0 MB). Peak memory consumption was 564.2 MB. Max. memory is 11.5 GB. * Witness Printer took 88.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 993.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 651]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 651]: 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: 1]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && methaneLevelCritical == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == ~bvadd64(\result, 4294967295bv32)) || (((((!(systemActive == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((1bv32 == \result && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (((((((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((!(systemActive == 0bv32) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 0bv32) && \result == 0bv32) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32)) || (((((\result == 0bv32 && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && 0bv32 == tmp)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (((((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && \result == 0bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || ((((!(systemActive == 0bv32) && 0bv32 == pumpRunning) && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && splverifierCounter == 0bv32)) || (((((((!(systemActive == 0bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && waterLevel == 2bv32) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(methaneLevelCritical, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && methaneLevelCritical == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 7.5s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.8s, HoareTripleCheckerStatistics: 1590 SDtfs, 2929 SDslu, 4267 SDs, 0 SdLazy, 554 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1000 GetRequests, 923 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 4237 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 295 NumberOfFragments, 1312 HoareAnnotationTreeSize, 56 FomulaSimplifications, 4233859 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 56 FomulaSimplificationsInter, 3653325 FormulaSimplificationTreeSizeReductionInter, 15.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 92118 SizeOfPredicates, 38 NumberOfNonLiveVariables, 2849 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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...