./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.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_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 9bd2750697477c749a894a241eb18460dbfa6e62 ...................................................................................................................................... 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_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 9bd2750697477c749a894a241eb18460dbfa6e62 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:00:07,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:00:07,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:00:07,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:00:07,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:00:07,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:00:07,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:00:07,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:00:07,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:00:07,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:00:07,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:00:07,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:00:07,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:00:07,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:00:07,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:00:07,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:00:07,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:00:07,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:00:07,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:00:07,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:00:07,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:00:07,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:00:07,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:00:07,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:00:07,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:00:07,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:00:07,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:00:07,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:00:07,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:00:07,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:00:07,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:00:07,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:00:07,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:00:07,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:00:07,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:00:07,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:00:07,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:00:07,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:00:07,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:00:07,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:00:07,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:00:07,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:00:07,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:00:07,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:00:07,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:00:07,195 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:00:07,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:00:07,195 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:00:07,196 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:00:07,196 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:00:07,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:00:07,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:00:07,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:00:07,196 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:00:07,196 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:00:07,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:00:07,197 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:00:07,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:00:07,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:00:07,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:00:07,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:00:07,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:00:07,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:00:07,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:00:07,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:00:07,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:00:07,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:00:07,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:00:07,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:00:07,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:00:07,200 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:00:07,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:00:07,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:00:07,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:00:07,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:00:07,200 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_859e5497-53e1-47a7-a768-ac090d54daf7/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 -> 9bd2750697477c749a894a241eb18460dbfa6e62 [2019-12-07 15:00:07,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:00:07,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:00:07,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:00:07,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:00:07,312 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:00:07,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-12-07 15:00:07,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/eec55a8f4/db95969dd617480cb99170650119db66/FLAGb6cc39f52 [2019-12-07 15:00:07,788 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:00:07,788 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-12-07 15:00:07,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/eec55a8f4/db95969dd617480cb99170650119db66/FLAGb6cc39f52 [2019-12-07 15:00:07,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/eec55a8f4/db95969dd617480cb99170650119db66 [2019-12-07 15:00:07,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:00:07,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:00:07,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:00:07,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:00:07,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:00:07,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:00:07" (1/1) ... [2019-12-07 15:00:07,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581b80cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:07, skipping insertion in model container [2019-12-07 15:00:07,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:00:07" (1/1) ... [2019-12-07 15:00:07,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:00:07,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:00:08,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:00:08,064 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 15:00:08,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bad5147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:08, skipping insertion in model container [2019-12-07 15:00:08,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:00:08,065 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 15:00:08,067 INFO L168 Benchmark]: Toolchain (without parser) took 258.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:00:08,067 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:00:08,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:00:08,069 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 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 934.6 MB in the beginning and 1.1 GB in the end (delta: -149.1 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: 327]: 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 15:00:09,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:00:09,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:00:09,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:00:09,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:00:09,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:00:09,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:00:09,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:00:09,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:00:09,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:00:09,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:00:09,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:00:09,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:00:09,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:00:09,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:00:09,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:00:09,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:00:09,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:00:09,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:00:09,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:00:09,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:00:09,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:00:09,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:00:09,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:00:09,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:00:09,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:00:09,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:00:09,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:00:09,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:00:09,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:00:09,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:00:09,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:00:09,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:00:09,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:00:09,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:00:09,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:00:09,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:00:09,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:00:09,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:00:09,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:00:09,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:00:09,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:00:09,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:00:09,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:00:09,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:00:09,262 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:00:09,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:00:09,263 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:00:09,263 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:00:09,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:00:09,263 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:00:09,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:00:09,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:00:09,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:00:09,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:00:09,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:00:09,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:00:09,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:00:09,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:00:09,265 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:00:09,265 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:00:09,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:00:09,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:00:09,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:00:09,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:00:09,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:00:09,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:00:09,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:00:09,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:00:09,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:00:09,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:00:09,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:00:09,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:00:09,266 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:00:09,266 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:00:09,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:00:09,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:00:09,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:00:09,267 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_859e5497-53e1-47a7-a768-ac090d54daf7/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 -> 9bd2750697477c749a894a241eb18460dbfa6e62 [2019-12-07 15:00:09,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:00:09,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:00:09,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:00:09,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:00:09,443 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:00:09,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-12-07 15:00:09,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/234d9268f/d164f106318d4996a44a09dd0bd6fd75/FLAGf895efa5e [2019-12-07 15:00:09,878 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:00:09,879 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2019-12-07 15:00:09,887 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/234d9268f/d164f106318d4996a44a09dd0bd6fd75/FLAGf895efa5e [2019-12-07 15:00:09,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/data/234d9268f/d164f106318d4996a44a09dd0bd6fd75 [2019-12-07 15:00:09,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:00:09,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:00:09,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:00:09,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:00:09,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:00:09,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:00:09" (1/1) ... [2019-12-07 15:00:09,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b70e7d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:09, skipping insertion in model container [2019-12-07 15:00:09,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:00:09" (1/1) ... [2019-12-07 15:00:09,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:00:09,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:00:10,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:00:10,165 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:00:10,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:00:10,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:00:10,225 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:00:10,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:00:10,293 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:00:10,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10 WrapperNode [2019-12-07 15:00:10,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:00:10,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:00:10,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:00:10,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:00:10,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:00:10,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:00:10,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:00:10,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:00:10,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... [2019-12-07 15:00:10,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:00:10,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:00:10,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:00:10,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:00:10,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:00:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 15:00:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:00:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:00:10,996 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:00:10,996 INFO L287 CfgBuilder]: Removed 206 assume(true) statements. [2019-12-07 15:00:10,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:00:10 BoogieIcfgContainer [2019-12-07 15:00:10,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:00:10,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:00:10,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:00:11,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:00:11,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:00:09" (1/3) ... [2019-12-07 15:00:11,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786c3e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:00:11, skipping insertion in model container [2019-12-07 15:00:11,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:00:10" (2/3) ... [2019-12-07 15:00:11,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786c3e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:00:11, skipping insertion in model container [2019-12-07 15:00:11,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:00:10" (3/3) ... [2019-12-07 15:00:11,003 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2019-12-07 15:00:11,010 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:00:11,015 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 15:00:11,023 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 15:00:11,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:00:11,039 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:00:11,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:00:11,039 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:00:11,039 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:00:11,039 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:00:11,039 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:00:11,039 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:00:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-12-07 15:00:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 15:00:11,057 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:11,058 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:00:11,058 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:11,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:11,062 INFO L82 PathProgramCache]: Analyzing trace with hash -947048074, now seen corresponding path program 1 times [2019-12-07 15:00:11,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:11,071 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998027924] [2019-12-07 15:00:11,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:11,227 INFO L264 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:00:11,231 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:11,242 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 15:00:11,242 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:11,247 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 15:00:11,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998027924] [2019-12-07 15:00:11,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:11,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:00:11,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619934249] [2019-12-07 15:00:11,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:00:11,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:11,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:00:11,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:00:11,262 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-12-07 15:00:11,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:11,292 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2019-12-07 15:00:11,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:00:11,293 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-12-07 15:00:11,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:11,304 INFO L225 Difference]: With dead ends: 281 [2019-12-07 15:00:11,304 INFO L226 Difference]: Without dead ends: 140 [2019-12-07 15:00:11,307 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 15:00:11,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-07 15:00:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-12-07 15:00:11,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-12-07 15:00:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2019-12-07 15:00:11,345 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2019-12-07 15:00:11,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:11,345 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-12-07 15:00:11,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:00:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2019-12-07 15:00:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 15:00:11,346 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:11,346 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] [2019-12-07 15:00:11,547 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:00:11,547 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:11,548 INFO L82 PathProgramCache]: Analyzing trace with hash 858971479, now seen corresponding path program 1 times [2019-12-07 15:00:11,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:11,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1494134902] [2019-12-07 15:00:11,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:11,663 INFO L264 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:00:11,665 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:11,679 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 15:00:11,679 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:11,689 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 15:00:11,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1494134902] [2019-12-07 15:00:11,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:11,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 15:00:11,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153144331] [2019-12-07 15:00:11,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:00:11,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:11,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:00:11,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:00:11,692 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 4 states. [2019-12-07 15:00:11,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:11,708 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2019-12-07 15:00:11,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:00:11,709 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-12-07 15:00:11,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:11,710 INFO L225 Difference]: With dead ends: 140 [2019-12-07 15:00:11,710 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 15:00:11,712 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 15:00:11,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 15:00:11,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 15:00:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 15:00:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2019-12-07 15:00:11,718 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2019-12-07 15:00:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:11,719 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2019-12-07 15:00:11,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:00:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2019-12-07 15:00:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 15:00:11,720 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:11,720 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 15:00:11,921 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:00:11,921 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:11,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:11,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1840859928, now seen corresponding path program 1 times [2019-12-07 15:00:11,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:11,924 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669039541] [2019-12-07 15:00:11,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:12,054 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:00:12,056 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:12,064 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 15:00:12,065 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:12,072 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 15:00:12,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669039541] [2019-12-07 15:00:12,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:12,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:00:12,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133542679] [2019-12-07 15:00:12,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:00:12,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:12,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:00:12,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:00:12,074 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 4 states. [2019-12-07 15:00:12,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:12,083 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2019-12-07 15:00:12,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:00:12,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-07 15:00:12,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:12,084 INFO L225 Difference]: With dead ends: 107 [2019-12-07 15:00:12,084 INFO L226 Difference]: Without dead ends: 57 [2019-12-07 15:00:12,085 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 15:00:12,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-12-07 15:00:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-12-07 15:00:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-12-07 15:00:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2019-12-07 15:00:12,090 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2019-12-07 15:00:12,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:12,090 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2019-12-07 15:00:12,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:00:12,091 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2019-12-07 15:00:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 15:00:12,091 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:12,091 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] [2019-12-07 15:00:12,292 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:00:12,292 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:12,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash 655441665, now seen corresponding path program 1 times [2019-12-07 15:00:12,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:12,294 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531458358] [2019-12-07 15:00:12,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:12,425 INFO L264 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:00:12,426 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:12,433 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 15:00:12,433 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:12,435 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 15:00:12,435 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531458358] [2019-12-07 15:00:12,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:12,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 15:00:12,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104217293] [2019-12-07 15:00:12,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:00:12,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:12,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:00:12,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:00:12,437 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2019-12-07 15:00:12,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:12,492 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2019-12-07 15:00:12,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:00:12,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 15:00:12,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:12,494 INFO L225 Difference]: With dead ends: 131 [2019-12-07 15:00:12,494 INFO L226 Difference]: Without dead ends: 81 [2019-12-07 15:00:12,494 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 15:00:12,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-12-07 15:00:12,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2019-12-07 15:00:12,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-12-07 15:00:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2019-12-07 15:00:12,504 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2019-12-07 15:00:12,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:12,504 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2019-12-07 15:00:12,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:00:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2019-12-07 15:00:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 15:00:12,506 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:12,506 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 15:00:12,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:00:12,707 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:12,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:12,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1335383949, now seen corresponding path program 1 times [2019-12-07 15:00:12,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:12,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897912325] [2019-12-07 15:00:12,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:12,855 INFO L264 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:00:12,856 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:12,869 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 15:00:12,870 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:12,877 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 15:00:12,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897912325] [2019-12-07 15:00:12,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:12,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:00:12,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313273085] [2019-12-07 15:00:12,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:00:12,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:12,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:00:12,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:00:12,879 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2019-12-07 15:00:12,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:12,994 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2019-12-07 15:00:12,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:00:12,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 15:00:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:12,996 INFO L225 Difference]: With dead ends: 266 [2019-12-07 15:00:12,996 INFO L226 Difference]: Without dead ends: 194 [2019-12-07 15:00:12,997 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 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 15:00:12,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-12-07 15:00:13,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2019-12-07 15:00:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-07 15:00:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2019-12-07 15:00:13,006 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2019-12-07 15:00:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:13,006 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2019-12-07 15:00:13,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:00:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2019-12-07 15:00:13,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 15:00:13,007 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:13,007 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, 1, 1] [2019-12-07 15:00:13,207 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:00:13,208 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:13,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:13,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1094266678, now seen corresponding path program 1 times [2019-12-07 15:00:13,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:13,210 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515866958] [2019-12-07 15:00:13,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:13,380 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:00:13,382 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:13,394 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 15:00:13,394 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:13,397 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 15:00:13,397 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515866958] [2019-12-07 15:00:13,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:13,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:00:13,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218974722] [2019-12-07 15:00:13,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 15:00:13,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:13,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:00:13,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:00:13,399 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2019-12-07 15:00:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:13,444 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2019-12-07 15:00:13,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:00:13,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-07 15:00:13,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:13,446 INFO L225 Difference]: With dead ends: 198 [2019-12-07 15:00:13,446 INFO L226 Difference]: Without dead ends: 127 [2019-12-07 15:00:13,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 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 15:00:13,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-12-07 15:00:13,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2019-12-07 15:00:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-12-07 15:00:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2019-12-07 15:00:13,455 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2019-12-07 15:00:13,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:13,456 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2019-12-07 15:00:13,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 15:00:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2019-12-07 15:00:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 15:00:13,457 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:13,457 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, 1, 1] [2019-12-07 15:00:13,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 15:00:13,658 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:13,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:13,659 INFO L82 PathProgramCache]: Analyzing trace with hash 83149428, now seen corresponding path program 1 times [2019-12-07 15:00:13,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:13,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874281448] [2019-12-07 15:00:13,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:13,808 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:00:13,809 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:13,818 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 15:00:13,818 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:13,829 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 15:00:13,829 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874281448] [2019-12-07 15:00:13,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:13,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 15:00:13,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373782923] [2019-12-07 15:00:13,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:00:13,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:13,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:00:13,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:00:13,830 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 6 states. [2019-12-07 15:00:13,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:13,867 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2019-12-07 15:00:13,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:00:13,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2019-12-07 15:00:13,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:13,869 INFO L225 Difference]: With dead ends: 215 [2019-12-07 15:00:13,869 INFO L226 Difference]: Without dead ends: 138 [2019-12-07 15:00:13,869 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 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 15:00:13,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-12-07 15:00:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2019-12-07 15:00:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-12-07 15:00:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2019-12-07 15:00:13,876 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2019-12-07 15:00:13,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:13,876 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2019-12-07 15:00:13,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:00:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-12-07 15:00:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-07 15:00:13,877 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:13,877 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, 1, 1] [2019-12-07 15:00:14,077 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 15:00:14,078 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:14,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:14,078 INFO L82 PathProgramCache]: Analyzing trace with hash -937918926, now seen corresponding path program 1 times [2019-12-07 15:00:14,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:14,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888513566] [2019-12-07 15:00:14,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:14,211 INFO L264 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:00:14,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:14,218 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 15:00:14,218 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:14,226 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 15:00:14,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888513566] [2019-12-07 15:00:14,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:14,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:00:14,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076024180] [2019-12-07 15:00:14,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:00:14,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:14,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:00:14,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:00:14,227 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 4 states. [2019-12-07 15:00:14,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:14,283 INFO L93 Difference]: Finished difference Result 258 states and 347 transitions. [2019-12-07 15:00:14,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:00:14,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-12-07 15:00:14,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:14,285 INFO L225 Difference]: With dead ends: 258 [2019-12-07 15:00:14,285 INFO L226 Difference]: Without dead ends: 177 [2019-12-07 15:00:14,285 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 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 15:00:14,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-12-07 15:00:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 147. [2019-12-07 15:00:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-07 15:00:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 196 transitions. [2019-12-07 15:00:14,298 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 196 transitions. Word has length 37 [2019-12-07 15:00:14,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:14,298 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 196 transitions. [2019-12-07 15:00:14,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:00:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2019-12-07 15:00:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-07 15:00:14,299 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:14,300 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, 1, 1, 1] [2019-12-07 15:00:14,500 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 15:00:14,500 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:14,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:14,501 INFO L82 PathProgramCache]: Analyzing trace with hash 597879026, now seen corresponding path program 1 times [2019-12-07 15:00:14,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:14,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124381996] [2019-12-07 15:00:14,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:14,595 INFO L264 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:00:14,596 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:14,616 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 15:00:14,617 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:14,620 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 15:00:14,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124381996] [2019-12-07 15:00:14,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:14,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-12-07 15:00:14,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797457296] [2019-12-07 15:00:14,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:00:14,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:14,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:00:14,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:00:14,622 INFO L87 Difference]: Start difference. First operand 147 states and 196 transitions. Second operand 6 states. [2019-12-07 15:00:14,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:14,893 INFO L93 Difference]: Finished difference Result 714 states and 962 transitions. [2019-12-07 15:00:14,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:00:14,894 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-12-07 15:00:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:14,896 INFO L225 Difference]: With dead ends: 714 [2019-12-07 15:00:14,896 INFO L226 Difference]: Without dead ends: 574 [2019-12-07 15:00:14,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-12-07 15:00:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2019-12-07 15:00:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 260. [2019-12-07 15:00:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-12-07 15:00:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 342 transitions. [2019-12-07 15:00:14,913 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 342 transitions. Word has length 38 [2019-12-07 15:00:14,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:14,913 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 342 transitions. [2019-12-07 15:00:14,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:00:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 342 transitions. [2019-12-07 15:00:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 15:00:14,914 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:14,914 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:00:15,115 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 15:00:15,115 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:15,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:15,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1086391584, now seen corresponding path program 1 times [2019-12-07 15:00:15,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:15,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59123242] [2019-12-07 15:00:15,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/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 15:00:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:15,243 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:00:15,245 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 15:00:15,268 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:15,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:00:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 15:00:15,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59123242] [2019-12-07 15:00:15,291 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2114514675] [2019-12-07 15:00:15,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 15:00:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:15,385 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:00:15,387 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:00:15,414 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:00:15,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814205772] [2019-12-07 15:00:15,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:00:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:15,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:00:15,551 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:00:15,557 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:00:15,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 15:00:15,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2019-12-07 15:00:15,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199740193] [2019-12-07 15:00:15,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 15:00:15,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:15,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 15:00:15,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:00:15,564 INFO L87 Difference]: Start difference. First operand 260 states and 342 transitions. Second operand 14 states. [2019-12-07 15:00:17,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:17,359 INFO L93 Difference]: Finished difference Result 1929 states and 2658 transitions. [2019-12-07 15:00:17,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2019-12-07 15:00:17,360 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2019-12-07 15:00:17,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:17,369 INFO L225 Difference]: With dead ends: 1929 [2019-12-07 15:00:17,369 INFO L226 Difference]: Without dead ends: 1676 [2019-12-07 15:00:17,373 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2479 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2019-12-07 15:00:17,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2019-12-07 15:00:17,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 398. [2019-12-07 15:00:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-12-07 15:00:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 519 transitions. [2019-12-07 15:00:17,414 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 519 transitions. Word has length 61 [2019-12-07 15:00:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:17,414 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 519 transitions. [2019-12-07 15:00:17,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 15:00:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 519 transitions. [2019-12-07 15:00:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-07 15:00:17,416 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:00:17,416 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:00:18,017 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2019-12-07 15:00:18,017 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:00:18,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:00:18,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1987997859, now seen corresponding path program 1 times [2019-12-07 15:00:18,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:00:18,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330913787] [2019-12-07 15:00:18,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2019-12-07 15:00:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:00:18,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:00:18,145 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:00:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 15:00:18,164 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:00:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-07 15:00:18,185 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330913787] [2019-12-07 15:00:18,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:00:18,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 15:00:18,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237130699] [2019-12-07 15:00:18,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 15:00:18,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:00:18,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 15:00:18,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:00:18,187 INFO L87 Difference]: Start difference. First operand 398 states and 519 transitions. Second operand 8 states. [2019-12-07 15:00:18,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:00:18,232 INFO L93 Difference]: Finished difference Result 593 states and 763 transitions. [2019-12-07 15:00:18,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:00:18,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2019-12-07 15:00:18,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:00:18,233 INFO L225 Difference]: With dead ends: 593 [2019-12-07 15:00:18,233 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:00:18,234 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 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 15:00:18,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:00:18,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:00:18,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:00:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:00:18,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2019-12-07 15:00:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:00:18,234 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:00:18,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 15:00:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:00:18,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:00:18,435 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2019-12-07 15:00:18,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:00:18,567 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2019-12-07 15:00:19,157 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2019-12-07 15:00:19,464 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2019-12-07 15:00:19,647 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2019-12-07 15:00:19,874 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2019-12-07 15:00:20,133 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2019-12-07 15:00:20,348 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 25 [2019-12-07 15:00:20,631 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 27 [2019-12-07 15:00:20,858 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-12-07 15:00:21,485 WARN L192 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2019-12-07 15:00:21,495 INFO L246 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2019-12-07 15:00:21,495 INFO L246 CegarLoopResult]: For program point L828-1(lines 828 836) no Hoare annotation was computed. [2019-12-07 15:00:21,495 INFO L246 CegarLoopResult]: For program point L828-2(lines 828 836) no Hoare annotation was computed. [2019-12-07 15:00:21,495 INFO L246 CegarLoopResult]: For program point L828-3(lines 828 836) no Hoare annotation was computed. [2019-12-07 15:00:21,495 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 15:00:21,495 INFO L246 CegarLoopResult]: For program point L828-4(lines 828 836) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L828-5(lines 828 836) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L697-4(lines 697 707) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L202(lines 202 206) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-12-07 15:00:21,496 INFO L246 CegarLoopResult]: For program point L103-1(lines 103 107) no Hoare annotation was computed. [2019-12-07 15:00:21,497 INFO L246 CegarLoopResult]: For program point L202-6(lines 202 206) no Hoare annotation was computed. [2019-12-07 15:00:21,497 INFO L242 CegarLoopResult]: At program point L995(lines 980 998) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv4294967295 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~10 (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:00:21,497 INFO L242 CegarLoopResult]: At program point L995-1(lines 980 998) the Hoare annotation is: false [2019-12-07 15:00:21,497 INFO L242 CegarLoopResult]: At program point L995-2(lines 980 998) the Hoare annotation is: false [2019-12-07 15:00:21,497 INFO L246 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-12-07 15:00:21,498 INFO L246 CegarLoopResult]: For program point L698-2(lines 698 704) no Hoare annotation was computed. [2019-12-07 15:00:21,498 INFO L246 CegarLoopResult]: For program point L698-4(lines 698 704) no Hoare annotation was computed. [2019-12-07 15:00:21,498 INFO L242 CegarLoopResult]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse2) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse2))) [2019-12-07 15:00:21,498 INFO L242 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: false [2019-12-07 15:00:21,498 INFO L242 CegarLoopResult]: At program point L799-2(lines 799 805) the Hoare annotation is: false [2019-12-07 15:00:21,498 INFO L242 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2) (and .cse0 .cse1 .cse3 .cse2 .cse4) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse2 .cse4))) [2019-12-07 15:00:21,499 INFO L242 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-12-07 15:00:21,499 INFO L242 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-12-07 15:00:21,499 INFO L242 CegarLoopResult]: At program point L239(lines 234 242) the Hoare annotation is: false [2019-12-07 15:00:21,499 INFO L242 CegarLoopResult]: At program point L239-1(lines 234 242) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:00:21,499 INFO L242 CegarLoopResult]: At program point L239-2(lines 234 242) the Hoare annotation is: false [2019-12-07 15:00:21,499 INFO L242 CegarLoopResult]: At program point L239-3(lines 234 242) the Hoare annotation is: false [2019-12-07 15:00:21,499 INFO L242 CegarLoopResult]: At program point L239-4(lines 234 242) the Hoare annotation is: false [2019-12-07 15:00:21,500 INFO L242 CegarLoopResult]: At program point L74(lines 1 998) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:00:21,500 INFO L242 CegarLoopResult]: At program point L239-5(lines 234 242) the Hoare annotation is: false [2019-12-07 15:00:21,500 INFO L246 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2019-12-07 15:00:21,500 INFO L242 CegarLoopResult]: At program point L735-1(lines 735 741) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2))) [2019-12-07 15:00:21,500 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 15:00:21,500 INFO L246 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2019-12-07 15:00:21,500 INFO L249 CegarLoopResult]: At program point L176-1(lines 176 183) the Hoare annotation is: true [2019-12-07 15:00:21,501 INFO L246 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2019-12-07 15:00:21,501 INFO L246 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2019-12-07 15:00:21,501 INFO L246 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2019-12-07 15:00:21,501 INFO L242 CegarLoopResult]: At program point L771(lines 724 772) the Hoare annotation is: false [2019-12-07 15:00:21,501 INFO L242 CegarLoopResult]: At program point L672(lines 667 674) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:00:21,501 INFO L246 CegarLoopResult]: For program point L970(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,501 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,501 INFO L246 CegarLoopResult]: For program point L970-3(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,501 INFO L246 CegarLoopResult]: For program point L970-5(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-6(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-8(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-9(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-11(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-12(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-14(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-15(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L970-17(lines 970 974) no Hoare annotation was computed. [2019-12-07 15:00:21,502 INFO L246 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-12-07 15:00:21,503 INFO L246 CegarLoopResult]: For program point L279-1(lines 279 285) no Hoare annotation was computed. [2019-12-07 15:00:21,503 INFO L246 CegarLoopResult]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-12-07 15:00:21,503 INFO L246 CegarLoopResult]: For program point L279-3(lines 279 285) no Hoare annotation was computed. [2019-12-07 15:00:21,503 INFO L246 CegarLoopResult]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-12-07 15:00:21,503 INFO L246 CegarLoopResult]: For program point L279-5(lines 279 285) no Hoare annotation was computed. [2019-12-07 15:00:21,503 INFO L246 CegarLoopResult]: For program point L214(lines 214 218) no Hoare annotation was computed. [2019-12-07 15:00:21,503 INFO L242 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:00:21,503 INFO L242 CegarLoopResult]: At program point L150(lines 146 152) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) [2019-12-07 15:00:21,503 INFO L242 CegarLoopResult]: At program point L976(lines 961 979) the Hoare annotation is: false [2019-12-07 15:00:21,504 INFO L242 CegarLoopResult]: At program point L976-1(lines 961 979) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 (_ bv0 32)))))) [2019-12-07 15:00:21,504 INFO L242 CegarLoopResult]: At program point L976-2(lines 961 979) the Hoare annotation is: false [2019-12-07 15:00:21,504 INFO L242 CegarLoopResult]: At program point L976-3(lines 961 979) the Hoare annotation is: false [2019-12-07 15:00:21,504 INFO L242 CegarLoopResult]: At program point L976-4(lines 961 979) the Hoare annotation is: false [2019-12-07 15:00:21,504 INFO L242 CegarLoopResult]: At program point L976-5(lines 961 979) the Hoare annotation is: false [2019-12-07 15:00:21,504 INFO L246 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2019-12-07 15:00:21,504 INFO L242 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) .cse2) (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2))) [2019-12-07 15:00:21,505 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:00:21,505 INFO L242 CegarLoopResult]: At program point L284(lines 275 288) the Hoare annotation is: false [2019-12-07 15:00:21,505 INFO L242 CegarLoopResult]: At program point L284-1(lines 275 288) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2))) [2019-12-07 15:00:21,505 INFO L242 CegarLoopResult]: At program point L284-2(lines 275 288) the Hoare annotation is: false [2019-12-07 15:00:21,505 INFO L242 CegarLoopResult]: At program point L284-3(lines 275 288) the Hoare annotation is: false [2019-12-07 15:00:21,505 INFO L249 CegarLoopResult]: At program point L185(lines 166 188) the Hoare annotation is: true [2019-12-07 15:00:21,505 INFO L242 CegarLoopResult]: At program point L284-4(lines 275 288) the Hoare annotation is: false [2019-12-07 15:00:21,505 INFO L242 CegarLoopResult]: At program point L284-5(lines 275 288) the Hoare annotation is: false [2019-12-07 15:00:21,505 INFO L242 CegarLoopResult]: At program point L912(lines 905 915) the Hoare annotation is: false [2019-12-07 15:00:21,506 INFO L242 CegarLoopResult]: At program point L912-1(lines 905 915) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= ~waterLevel~0 (_ bv2 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:00:21,506 INFO L242 CegarLoopResult]: At program point L912-2(lines 905 915) the Hoare annotation is: false [2019-12-07 15:00:21,506 INFO L242 CegarLoopResult]: At program point L912-3(lines 905 915) the Hoare annotation is: false [2019-12-07 15:00:21,506 INFO L242 CegarLoopResult]: At program point L912-4(lines 905 915) the Hoare annotation is: false [2019-12-07 15:00:21,506 INFO L242 CegarLoopResult]: At program point L912-5(lines 905 915) the Hoare annotation is: false [2019-12-07 15:00:21,506 INFO L242 CegarLoopResult]: At program point L682(lines 792 798) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse3) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse4 .cse3))) [2019-12-07 15:00:21,506 INFO L242 CegarLoopResult]: At program point L682-1(lines 792 798) the Hoare annotation is: false [2019-12-07 15:00:21,507 INFO L242 CegarLoopResult]: At program point L682-2(lines 792 798) the Hoare annotation is: false [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point L850(lines 850 867) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point L850-1(lines 850 867) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point L850-2(lines 850 867) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point L854(lines 854 862) no Hoare annotation was computed. [2019-12-07 15:00:21,507 INFO L246 CegarLoopResult]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L246 CegarLoopResult]: For program point L854-1(lines 854 862) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L246 CegarLoopResult]: For program point L854-2(lines 854 862) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L246 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L246 CegarLoopResult]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L246 CegarLoopResult]: For program point L887-6(lines 887 893) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L246 CegarLoopResult]: For program point L887-8(lines 887 893) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L246 CegarLoopResult]: For program point L887-10(lines 887 893) no Hoare annotation was computed. [2019-12-07 15:00:21,508 INFO L242 CegarLoopResult]: At program point L921(lines 916 924) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2) (and .cse3 .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse4 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse2))) [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L921-1(lines 916 924) the Hoare annotation is: (and (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L921-2(lines 916 924) the Hoare annotation is: false [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L921-3(lines 916 924) the Hoare annotation is: false [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L921-4(lines 916 924) the Hoare annotation is: false [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L921-5(lines 916 924) the Hoare annotation is: false [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L294(lines 289 297) the Hoare annotation is: (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32))) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L294-1(lines 289 297) the Hoare annotation is: false [2019-12-07 15:00:21,509 INFO L242 CegarLoopResult]: At program point L294-2(lines 289 297) the Hoare annotation is: false [2019-12-07 15:00:21,509 INFO L246 CegarLoopResult]: For program point L989(lines 989 993) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L989-3(lines 989 993) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L824(lines 824 841) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L989-5(lines 989 993) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L824-1(lines 824 841) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L989-6(lines 989 993) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L824-2(lines 824 841) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L824-3(lines 824 841) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L989-8(lines 989 993) no Hoare annotation was computed. [2019-12-07 15:00:21,510 INFO L246 CegarLoopResult]: For program point L824-4(lines 824 841) no Hoare annotation was computed. [2019-12-07 15:00:21,511 INFO L246 CegarLoopResult]: For program point L824-5(lines 824 841) no Hoare annotation was computed. [2019-12-07 15:00:21,511 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:00:21,511 INFO L242 CegarLoopResult]: At program point L792(lines 788 810) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse3 .cse2) (and .cse0 .cse1 .cse3 .cse2))) [2019-12-07 15:00:21,511 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-12-07 15:00:21,511 INFO L242 CegarLoopResult]: At program point L792-1(lines 788 810) the Hoare annotation is: false [2019-12-07 15:00:21,511 INFO L246 CegarLoopResult]: For program point L726(lines 725 770) no Hoare annotation was computed. [2019-12-07 15:00:21,511 INFO L242 CegarLoopResult]: At program point L792-2(lines 788 810) the Hoare annotation is: false [2019-12-07 15:00:21,511 INFO L246 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-12-07 15:00:21,512 INFO L242 CegarLoopResult]: At program point L693-1(lines 1 998) the Hoare annotation is: (let ((.cse0 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4)) (.cse1 (= (_ bv0 32) (bvadd ~systemActive~0 (_ bv4294967295 32)))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967295 32))) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse2 .cse5) (and (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse1 .cse4 .cse2 .cse5))) [2019-12-07 15:00:21,512 INFO L246 CegarLoopResult]: For program point L693-2(lines 693 710) no Hoare annotation was computed. [2019-12-07 15:00:21,512 INFO L242 CegarLoopResult]: At program point L693-3(lines 1 998) the Hoare annotation is: false [2019-12-07 15:00:21,512 INFO L246 CegarLoopResult]: For program point L693-4(lines 693 710) no Hoare annotation was computed. [2019-12-07 15:00:21,512 INFO L242 CegarLoopResult]: At program point L693-5(lines 1 998) the Hoare annotation is: false [2019-12-07 15:00:21,512 INFO L242 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: false [2019-12-07 15:00:21,512 INFO L246 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2019-12-07 15:00:21,512 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-12-07 15:00:21,513 INFO L246 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-12-07 15:00:21,513 INFO L246 CegarLoopResult]: For program point L761-2(lines 755 766) no Hoare annotation was computed. [2019-12-07 15:00:21,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:00:21 BoogieIcfgContainer [2019-12-07 15:00:21,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:00:21,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:00:21,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:00:21,549 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:00:21,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:00:10" (3/4) ... [2019-12-07 15:00:21,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:00:21,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 15:00:21,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:00:21,572 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 15:00:21,573 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:00:21,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:00:21,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:00:21,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:00:21,597 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((1bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-12-07 15:00:21,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 15:00:21,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) [2019-12-07 15:00:21,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 15:00:21,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) [2019-12-07 15:00:21,599 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 [2019-12-07 15:00:21,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) [2019-12-07 15:00:21,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 [2019-12-07 15:00:21,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 [2019-12-07 15:00:21,600 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) [2019-12-07 15:00:21,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_859e5497-53e1-47a7-a768-ac090d54daf7/bin/utaipan/witness.graphml [2019-12-07 15:00:21,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:00:21,654 INFO L168 Benchmark]: Toolchain (without parser) took 11756.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 311.4 MB). Free memory was 952.4 MB in the beginning and 854.0 MB in the end (delta: 98.4 MB). Peak memory consumption was 409.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:00:21,655 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:00:21,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:00:21,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.80 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 15:00:21,655 INFO L168 Benchmark]: Boogie Preprocessor took 37.66 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 15:00:21,655 INFO L168 Benchmark]: RCFGBuilder took 616.04 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: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:00:21,656 INFO L168 Benchmark]: TraceAbstraction took 10550.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 999.6 MB in the beginning and 863.2 MB in the end (delta: 136.4 MB). Peak memory consumption was 365.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:00:21,656 INFO L168 Benchmark]: Witness Printer took 104.90 ms. Allocated memory is still 1.3 GB. Free memory was 863.2 MB in the beginning and 854.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:00:21,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.66 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. * RCFGBuilder took 616.04 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: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10550.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 999.6 MB in the beginning and 863.2 MB in the end (delta: 136.4 MB). Peak memory consumption was 365.4 MB. Max. memory is 11.5 GB. * Witness Printer took 104.90 ms. Allocated memory is still 1.3 GB. Free memory was 863.2 MB in the beginning and 854.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32)) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((((tmp___0 == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && \result == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || ((((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((((((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && tmp == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && \result == 0bv32) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((((0bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result)) || (((((1bv32 == pumpRunning && 2bv32 == tmp) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) && 2bv32 == \result) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0bv32 == pumpRunning && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) || ((((1bv32 == \result && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == \result) && splverifierCounter == 0bv32) || ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32)) || (((((1bv32 == pumpRunning && 1bv32 == switchedOnBeforeTS) && 1bv32 == \result) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((0bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && splverifierCounter == 0bv32) || (((0bv32 == pumpRunning && 0bv32 == ~bvadd64(waterLevel, 4294967295bv32)) && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && splverifierCounter == 0bv32)) || (((1bv32 == pumpRunning && 0bv32 == ~bvadd64(systemActive, 4294967295bv32)) && waterLevel == 2bv32) && splverifierCounter == 0bv32) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Result: SAFE, OverallTime: 7.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, HoareTripleCheckerStatistics: 1411 SDtfs, 3222 SDslu, 3511 SDs, 0 SdLazy, 868 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1269 GetRequests, 1145 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2496 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1833 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 143 NumberOfFragments, 743 HoareAnnotationTreeSize, 61 FomulaSimplifications, 267155 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 45008 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 118576 SizeOfPredicates, 31 NumberOfNonLiveVariables, 2793 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 296/320 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...