./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b00f2b5e86cdb554aa1013f25ad23bb3779c67ba ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:06,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:06,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:06,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:06,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:06,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:06,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:06,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:06,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:06,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:06,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:06,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:06,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:06,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:06,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:06,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:06,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:06,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:06,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:06,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:06,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:06,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:06,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:06,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:06,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:06,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:06,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:06,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:06,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:06,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:06,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:06,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:06,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:06,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:06,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:06,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:06,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:06,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:06,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:06,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:06,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:06,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:06,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:06,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:06,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:06,223 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:06,223 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:06,223 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:06,224 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:06,224 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:06,230 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:06,231 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:06,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:06,232 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:06,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:06,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:06,233 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:06,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:06,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:06,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:06,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:06,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:06,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:06,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:06,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:06,235 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:06,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:06,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:06,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:06,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:06,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:06,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:06,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:06,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:06,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:06,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:06,238 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:06,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:06,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:06,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:06,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:06,239 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2021-10-11 02:31:06,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:06,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:06,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:06,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:06,569 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:06,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-11 02:31:06,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/e99fa1437/f112426f0b45431f8dbd2b0ec3c5bc29/FLAG40fc27c80 [2021-10-11 02:31:07,164 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:07,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-11 02:31:07,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/e99fa1437/f112426f0b45431f8dbd2b0ec3c5bc29/FLAG40fc27c80 [2021-10-11 02:31:07,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/e99fa1437/f112426f0b45431f8dbd2b0ec3c5bc29 [2021-10-11 02:31:07,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:07,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:07,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:07,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:07,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:07,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73772716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07, skipping insertion in model container [2021-10-11 02:31:07,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:07" (1/1) ... [2021-10-11 02:31:07,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:07,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:07,768 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-11 02:31:07,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:07,898 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) [2021-10-11 02:31:07,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e3808af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:07, skipping insertion in model container [2021-10-11 02:31:07,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:07,900 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:31:07,903 INFO L168 Benchmark]: Toolchain (without parser) took 429.82 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 47.7 MB in the beginning and 80.7 MB in the end (delta: -33.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:07,905 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:07,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.59 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 47.5 MB in the beginning and 80.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:07,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 25.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 426.59 ms. Allocated memory was 83.9 MB in the beginning and 109.1 MB in the end (delta: 25.2 MB). Free memory was 47.5 MB in the beginning and 80.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 599]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:10,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:10,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:10,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:10,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:10,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:10,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:10,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:10,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:10,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:10,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:10,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:10,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:10,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:10,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:10,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:10,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:10,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:10,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:10,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:10,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:10,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:10,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:10,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:10,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:10,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:10,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:10,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:10,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:10,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:10,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:10,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:10,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:10,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:10,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:10,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:10,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:10,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:10,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:10,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:10,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:10,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:10,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:10,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:10,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:10,361 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:10,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:10,361 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:10,361 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:10,361 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:10,362 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:10,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:10,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:10,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:10,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:10,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:10,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:10,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:10,366 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:10,366 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:10,366 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:10,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:10,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:10,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:10,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:10,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:10,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:10,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:10,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:10,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:10,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:10,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:10,368 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:10,368 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:10,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:10,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:10,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:10,369 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b00f2b5e86cdb554aa1013f25ad23bb3779c67ba [2021-10-11 02:31:10,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:10,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:10,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:10,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:10,840 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:10,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-11 02:31:10,928 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/b1a06df74/6ea9cf0d3cea4bdca1977dfd12ed484a/FLAGf6271ab14 [2021-10-11 02:31:11,545 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:11,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-11 02:31:11,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/b1a06df74/6ea9cf0d3cea4bdca1977dfd12ed484a/FLAGf6271ab14 [2021-10-11 02:31:11,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/data/b1a06df74/6ea9cf0d3cea4bdca1977dfd12ed484a [2021-10-11 02:31:11,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:11,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:11,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:11,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:11,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:11,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c27c707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:11, skipping insertion in model container [2021-10-11 02:31:11,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:11" (1/1) ... [2021-10-11 02:31:11,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:11,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:12,186 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-11 02:31:12,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,371 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:31:12,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:12,405 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-11 02:31:12,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,450 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:12,509 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2021-10-11 02:31:12,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:12,604 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:12,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12 WrapperNode [2021-10-11 02:31:12,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:12,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:12,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:12,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:12,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:12,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:12,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:12,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:12,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... [2021-10-11 02:31:12,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:12,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:12,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:12,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:12,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:12,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:15,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:15,652 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-10-11 02:31:15,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:15 BoogieIcfgContainer [2021-10-11 02:31:15,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:15,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:15,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:15,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:15,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:11" (1/3) ... [2021-10-11 02:31:15,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aabda59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:15, skipping insertion in model container [2021-10-11 02:31:15,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:12" (2/3) ... [2021-10-11 02:31:15,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aabda59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:15, skipping insertion in model container [2021-10-11 02:31:15,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:15" (3/3) ... [2021-10-11 02:31:15,663 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2021-10-11 02:31:15,679 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:15,683 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:31:15,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:31:15,722 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:15,723 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:15,723 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:15,723 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:15,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:15,724 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:15,724 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:15,724 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:15,740 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2021-10-11 02:31:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:31:15,746 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:15,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:15,748 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:15,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:15,754 INFO L82 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2021-10-11 02:31:15,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:15,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341872452] [2021-10-11 02:31:15,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:16,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:16,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:16,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:16,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341872452] [2021-10-11 02:31:16,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:16,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:16,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988005443] [2021-10-11 02:31:16,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:16,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:16,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:16,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:16,081 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2021-10-11 02:31:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:16,115 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-11 02:31:16,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:16,117 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:31:16,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:16,128 INFO L225 Difference]: With dead ends: 245 [2021-10-11 02:31:16,128 INFO L226 Difference]: Without dead ends: 122 [2021-10-11 02:31:16,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:16,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-11 02:31:16,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-11 02:31:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2021-10-11 02:31:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-11 02:31:16,178 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-11 02:31:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:16,178 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-11 02:31:16,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-11 02:31:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:31:16,180 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:16,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:16,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:16,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:16,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:16,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2021-10-11 02:31:16,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:16,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271478506] [2021-10-11 02:31:16,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:16,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:16,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:16,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:16,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:16,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271478506] [2021-10-11 02:31:16,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:16,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:16,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810611064] [2021-10-11 02:31:16,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:16,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:16,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:16,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:16,676 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2021-10-11 02:31:16,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:16,711 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-11 02:31:16,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:16,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:31:16,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:16,715 INFO L225 Difference]: With dead ends: 122 [2021-10-11 02:31:16,717 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:31:16,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:31:16,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:31:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:31:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-11 02:31:16,734 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-11 02:31:16,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:16,737 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-11 02:31:16,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-11 02:31:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:31:16,740 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:16,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:16,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:31:16,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:16,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:16,958 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2021-10-11 02:31:16,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:16,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [663501053] [2021-10-11 02:31:16,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:17,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:17,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:17,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:17,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [663501053] [2021-10-11 02:31:17,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:17,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:17,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717137075] [2021-10-11 02:31:17,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:17,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:17,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:17,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:17,223 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2021-10-11 02:31:17,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:17,244 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-11 02:31:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:17,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:31:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:17,247 INFO L225 Difference]: With dead ends: 95 [2021-10-11 02:31:17,248 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 02:31:17,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:17,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 02:31:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 02:31:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 02:31:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-11 02:31:17,264 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-11 02:31:17,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:17,264 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-11 02:31:17,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-11 02:31:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:31:17,267 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:17,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:17,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:31:17,489 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:17,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:17,490 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2021-10-11 02:31:17,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:17,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623811363] [2021-10-11 02:31:17,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:17,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:17,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:17,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:17,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623811363] [2021-10-11 02:31:17,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:17,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:31:17,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332817748] [2021-10-11 02:31:17,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:17,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:17,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:17,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:17,752 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2021-10-11 02:31:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:17,823 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-11 02:31:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:17,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-10-11 02:31:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:17,825 INFO L225 Difference]: With dead ends: 119 [2021-10-11 02:31:17,826 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 02:31:17,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 02:31:17,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-11 02:31:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2021-10-11 02:31:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-11 02:31:17,838 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-11 02:31:17,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:17,838 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-11 02:31:17,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-11 02:31:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:31:17,840 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:17,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:18,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:31:18,063 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:18,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:18,063 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2021-10-11 02:31:18,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:18,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700934768] [2021-10-11 02:31:18,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:18,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:31:18,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:18,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:18,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700934768] [2021-10-11 02:31:18,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:18,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:18,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475995893] [2021-10-11 02:31:18,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:18,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:18,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:18,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:18,350 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 4 states. [2021-10-11 02:31:18,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:18,447 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2021-10-11 02:31:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:18,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 02:31:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:18,450 INFO L225 Difference]: With dead ends: 203 [2021-10-11 02:31:18,451 INFO L226 Difference]: Without dead ends: 137 [2021-10-11 02:31:18,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:18,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-11 02:31:18,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-11 02:31:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 02:31:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-11 02:31:18,481 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-11 02:31:18,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:18,482 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-11 02:31:18,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-11 02:31:18,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:31:18,489 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:18,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:18,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:31:18,713 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:18,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:18,714 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2021-10-11 02:31:18,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:18,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10920142] [2021-10-11 02:31:18,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:18,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:18,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:18,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:18,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10920142] [2021-10-11 02:31:18,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:18,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:18,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275565268] [2021-10-11 02:31:18,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:18,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:18,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:18,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:18,965 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2021-10-11 02:31:19,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:19,048 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-11 02:31:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:31:19,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:31:19,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:19,050 INFO L225 Difference]: With dead ends: 202 [2021-10-11 02:31:19,051 INFO L226 Difference]: Without dead ends: 132 [2021-10-11 02:31:19,051 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:19,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-11 02:31:19,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-11 02:31:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-10-11 02:31:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-11 02:31:19,062 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-11 02:31:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:19,062 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-11 02:31:19,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-11 02:31:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:31:19,063 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:19,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:19,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:31:19,279 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:19,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:19,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2021-10-11 02:31:19,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:19,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790045257] [2021-10-11 02:31:19,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:19,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:19,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:19,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:19,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790045257] [2021-10-11 02:31:19,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:19,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:19,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206243614] [2021-10-11 02:31:19,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:19,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:19,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:19,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:19,585 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2021-10-11 02:31:19,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:19,776 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-11 02:31:19,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:31:19,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 02:31:19,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:19,779 INFO L225 Difference]: With dead ends: 282 [2021-10-11 02:31:19,779 INFO L226 Difference]: Without dead ends: 206 [2021-10-11 02:31:19,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:31:19,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-11 02:31:19,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-11 02:31:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2021-10-11 02:31:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-11 02:31:19,816 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-11 02:31:19,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:19,818 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-11 02:31:19,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-11 02:31:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 02:31:19,821 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:19,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:20,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:31:20,035 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:20,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:20,036 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2021-10-11 02:31:20,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:20,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038482296] [2021-10-11 02:31:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:20,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:31:20,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:20,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:20,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038482296] [2021-10-11 02:31:20,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:20,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:20,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291341891] [2021-10-11 02:31:20,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:31:20,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:20,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:31:20,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:20,270 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2021-10-11 02:31:20,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:20,309 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-10-11 02:31:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:20,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 02:31:20,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:20,311 INFO L225 Difference]: With dead ends: 185 [2021-10-11 02:31:20,311 INFO L226 Difference]: Without dead ends: 110 [2021-10-11 02:31:20,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:31:20,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-11 02:31:20,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-11 02:31:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2021-10-11 02:31:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-10-11 02:31:20,326 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-10-11 02:31:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:20,327 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-10-11 02:31:20,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:31:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-10-11 02:31:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 02:31:20,328 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:20,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:20,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:31:20,542 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:20,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:20,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2021-10-11 02:31:20,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:20,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225607347] [2021-10-11 02:31:20,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:20,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:31:20,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:20,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:20,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225607347] [2021-10-11 02:31:20,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:20,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:20,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124583118] [2021-10-11 02:31:20,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:31:20,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:20,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:31:20,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:31:20,837 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 6 states. [2021-10-11 02:31:22,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:22,633 INFO L93 Difference]: Finished difference Result 528 states and 711 transitions. [2021-10-11 02:31:22,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:31:22,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-10-11 02:31:22,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:22,639 INFO L225 Difference]: With dead ends: 528 [2021-10-11 02:31:22,640 INFO L226 Difference]: Without dead ends: 453 [2021-10-11 02:31:22,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:31:22,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-10-11 02:31:22,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 192. [2021-10-11 02:31:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2021-10-11 02:31:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-11 02:31:22,695 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 35 [2021-10-11 02:31:22,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:22,696 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-11 02:31:22,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:31:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-11 02:31:22,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 02:31:22,698 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:22,699 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:22,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:31:22,923 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:22,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:22,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2021-10-11 02:31:22,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:22,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209328174] [2021-10-11 02:31:22,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:31:23,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:31:23,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:23,319 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:31:23,319 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:31:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 02:31:23,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209328174] [2021-10-11 02:31:23,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [876410240] [2021-10-11 02:31:23,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:23,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:31:23,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:23,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:23,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175789554] [2021-10-11 02:31:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:24,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:24,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:24,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:24,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:31:24,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-11 02:31:24,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615894425] [2021-10-11 02:31:24,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-10-11 02:31:24,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:24,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-11 02:31:24,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:31:24,177 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 14 states. [2021-10-11 02:31:34,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:34,686 INFO L93 Difference]: Finished difference Result 1365 states and 1895 transitions. [2021-10-11 02:31:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-10-11 02:31:34,687 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2021-10-11 02:31:34,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:34,702 INFO L225 Difference]: With dead ends: 1365 [2021-10-11 02:31:34,702 INFO L226 Difference]: Without dead ends: 1180 [2021-10-11 02:31:34,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1297, Invalid=5843, Unknown=0, NotChecked=0, Total=7140 [2021-10-11 02:31:34,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2021-10-11 02:31:34,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 266. [2021-10-11 02:31:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2021-10-11 02:31:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 344 transitions. [2021-10-11 02:31:34,755 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 344 transitions. Word has length 58 [2021-10-11 02:31:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:34,755 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 344 transitions. [2021-10-11 02:31:34,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-10-11 02:31:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 344 transitions. [2021-10-11 02:31:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-10-11 02:31:34,757 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:34,758 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:35,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:35,378 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:35,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:35,379 INFO L82 PathProgramCache]: Analyzing trace with hash 838978870, now seen corresponding path program 1 times [2021-10-11 02:31:35,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:35,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108103104] [2021-10-11 02:31:35,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:35,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:31:35,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-11 02:31:35,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:35,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108103104] [2021-10-11 02:31:35,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:35,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:31:35,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779504831] [2021-10-11 02:31:35,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:31:35,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:35,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:31:35,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:31:35,785 INFO L87 Difference]: Start difference. First operand 266 states and 344 transitions. Second operand 5 states. [2021-10-11 02:31:35,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:35,864 INFO L93 Difference]: Finished difference Result 455 states and 580 transitions. [2021-10-11 02:31:35,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:31:35,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2021-10-11 02:31:35,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:35,866 INFO L225 Difference]: With dead ends: 455 [2021-10-11 02:31:35,867 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:31:35,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:35,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:31:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:31:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:31:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:31:35,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-10-11 02:31:35,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:35,871 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:31:35,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:31:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:31:35,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:36,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2021-10-11 02:31:36,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:31:36,377 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 73 [2021-10-11 02:31:37,283 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 25 [2021-10-11 02:31:37,517 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2021-10-11 02:31:37,761 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2021-10-11 02:31:37,915 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 16 [2021-10-11 02:31:38,108 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2021-10-11 02:31:38,399 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 23 [2021-10-11 02:31:38,780 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 23 [2021-10-11 02:31:38,930 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2021-10-11 02:31:39,186 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2021-10-11 02:31:39,386 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 27 [2021-10-11 02:31:39,660 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 23 [2021-10-11 02:31:39,935 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2021-10-11 02:31:39,938 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-11 02:31:39,938 INFO L265 CegarLoopResult]: At program point L531(lines 512 534) the Hoare annotation is: true [2021-10-11 02:31:39,938 INFO L262 CegarLoopResult]: For program point L268(lines 267 312) no Hoare annotation was computed. [2021-10-11 02:31:39,939 INFO L258 CegarLoopResult]: At program point L566(lines 561 569) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:39,939 INFO L262 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2021-10-11 02:31:39,939 INFO L258 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:31:39,939 INFO L258 CegarLoopResult]: At program point L71-1(lines 71 77) the Hoare annotation is: false [2021-10-11 02:31:39,939 INFO L258 CegarLoopResult]: At program point L71-2(lines 71 77) the Hoare annotation is: false [2021-10-11 02:31:39,939 INFO L262 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2021-10-11 02:31:39,939 INFO L262 CegarLoopResult]: For program point L303-2(lines 297 308) no Hoare annotation was computed. [2021-10-11 02:31:39,939 INFO L262 CegarLoopResult]: For program point L964(lines 964 981) no Hoare annotation was computed. [2021-10-11 02:31:39,939 INFO L258 CegarLoopResult]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse4) (and .cse0 .cse1 (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse4 .cse5))) [2021-10-11 02:31:39,939 INFO L262 CegarLoopResult]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L258 CegarLoopResult]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L258 CegarLoopResult]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point L406-2(lines 406 412) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point L406-3(lines 406 412) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point L406-4(lines 406 412) no Hoare annotation was computed. [2021-10-11 02:31:39,940 INFO L262 CegarLoopResult]: For program point L406-5(lines 406 412) no Hoare annotation was computed. [2021-10-11 02:31:39,941 INFO L258 CegarLoopResult]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse4))) [2021-10-11 02:31:39,941 INFO L258 CegarLoopResult]: At program point L175-1(lines 170 178) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:39,942 INFO L258 CegarLoopResult]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2021-10-11 02:31:39,942 INFO L258 CegarLoopResult]: At program point L175-3(lines 170 178) the Hoare annotation is: false [2021-10-11 02:31:39,943 INFO L258 CegarLoopResult]: At program point L175-4(lines 170 178) the Hoare annotation is: false [2021-10-11 02:31:39,943 INFO L258 CegarLoopResult]: At program point L175-5(lines 170 178) the Hoare annotation is: false [2021-10-11 02:31:39,944 INFO L262 CegarLoopResult]: For program point L968(lines 968 978) no Hoare annotation was computed. [2021-10-11 02:31:39,944 INFO L262 CegarLoopResult]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2021-10-11 02:31:39,944 INFO L262 CegarLoopResult]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2021-10-11 02:31:39,944 INFO L262 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2021-10-11 02:31:39,944 INFO L262 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2021-10-11 02:31:39,945 INFO L262 CegarLoopResult]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2021-10-11 02:31:39,945 INFO L262 CegarLoopResult]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2021-10-11 02:31:39,945 INFO L262 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2021-10-11 02:31:39,945 INFO L262 CegarLoopResult]: For program point L243-2(lines 243 247) no Hoare annotation was computed. [2021-10-11 02:31:39,945 INFO L262 CegarLoopResult]: For program point L243-3(lines 243 247) no Hoare annotation was computed. [2021-10-11 02:31:39,946 INFO L262 CegarLoopResult]: For program point L243-5(lines 243 247) no Hoare annotation was computed. [2021-10-11 02:31:39,946 INFO L262 CegarLoopResult]: For program point L243-6(lines 243 247) no Hoare annotation was computed. [2021-10-11 02:31:39,946 INFO L262 CegarLoopResult]: For program point L243-8(lines 243 247) no Hoare annotation was computed. [2021-10-11 02:31:39,947 INFO L262 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2021-10-11 02:31:39,947 INFO L258 CegarLoopResult]: At program point L277-1(lines 277 283) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:31:39,947 INFO L258 CegarLoopResult]: At program point L411(lines 402 415) the Hoare annotation is: false [2021-10-11 02:31:39,947 INFO L258 CegarLoopResult]: At program point L411-1(lines 402 415) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2))) [2021-10-11 02:31:39,947 INFO L258 CegarLoopResult]: At program point L411-2(lines 402 415) the Hoare annotation is: false [2021-10-11 02:31:39,947 INFO L258 CegarLoopResult]: At program point L411-3(lines 402 415) the Hoare annotation is: false [2021-10-11 02:31:39,948 INFO L258 CegarLoopResult]: At program point L411-4(lines 402 415) the Hoare annotation is: false [2021-10-11 02:31:39,948 INFO L258 CegarLoopResult]: At program point L411-5(lines 402 415) the Hoare annotation is: false [2021-10-11 02:31:39,948 INFO L258 CegarLoopResult]: At program point L313(lines 266 314) the Hoare annotation is: false [2021-10-11 02:31:39,948 INFO L258 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2021-10-11 02:31:39,948 INFO L262 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2021-10-11 02:31:39,948 INFO L258 CegarLoopResult]: At program point L249(lines 234 252) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:39,948 INFO L258 CegarLoopResult]: At program point L249-1(lines 234 252) the Hoare annotation is: false [2021-10-11 02:31:39,948 INFO L258 CegarLoopResult]: At program point L249-2(lines 234 252) the Hoare annotation is: false [2021-10-11 02:31:39,949 INFO L258 CegarLoopResult]: At program point L943(lines 938 945) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:39,949 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:39,949 INFO L262 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-10-11 02:31:39,949 INFO L262 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2021-10-11 02:31:39,949 INFO L262 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-10-11 02:31:39,949 INFO L262 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2021-10-11 02:31:39,949 INFO L258 CegarLoopResult]: At program point L287-1(lines 287 293) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:31:39,949 INFO L262 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2021-10-11 02:31:39,950 INFO L262 CegarLoopResult]: For program point L122-1(lines 122 139) no Hoare annotation was computed. [2021-10-11 02:31:39,950 INFO L262 CegarLoopResult]: For program point L122-2(lines 122 139) no Hoare annotation was computed. [2021-10-11 02:31:39,950 INFO L258 CegarLoopResult]: At program point L421(lines 416 424) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:39,950 INFO L258 CegarLoopResult]: At program point L421-1(lines 416 424) the Hoare annotation is: false [2021-10-11 02:31:39,950 INFO L258 CegarLoopResult]: At program point L421-2(lines 416 424) the Hoare annotation is: false [2021-10-11 02:31:39,950 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:39,950 INFO L262 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,950 INFO L262 CegarLoopResult]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-3(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-5(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-6(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-8(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-9(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-11(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-12(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-14(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,951 INFO L262 CegarLoopResult]: For program point L224-15(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,952 INFO L262 CegarLoopResult]: For program point L224-17(lines 224 228) no Hoare annotation was computed. [2021-10-11 02:31:39,952 INFO L262 CegarLoopResult]: For program point L522(lines 522 529) no Hoare annotation was computed. [2021-10-11 02:31:39,952 INFO L265 CegarLoopResult]: At program point L522-1(lines 522 529) the Hoare annotation is: true [2021-10-11 02:31:39,952 INFO L262 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2021-10-11 02:31:39,952 INFO L262 CegarLoopResult]: For program point L126-1(lines 126 134) no Hoare annotation was computed. [2021-10-11 02:31:39,952 INFO L262 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2021-10-11 02:31:39,952 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:31:39,953 INFO L258 CegarLoopResult]: At program point L953(lines 64 70) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse1 .cse2) (and .cse0 .cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse1) (and .cse0 .cse3 .cse4 .cse1 .cse2))) [2021-10-11 02:31:39,953 INFO L258 CegarLoopResult]: At program point L953-1(lines 64 70) the Hoare annotation is: false [2021-10-11 02:31:39,953 INFO L258 CegarLoopResult]: At program point L953-2(lines 64 70) the Hoare annotation is: false [2021-10-11 02:31:39,953 INFO L258 CegarLoopResult]: At program point L558(lines 1 984) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:39,953 INFO L262 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2021-10-11 02:31:39,953 INFO L262 CegarLoopResult]: For program point L96-1(lines 96 113) no Hoare annotation was computed. [2021-10-11 02:31:39,953 INFO L262 CegarLoopResult]: For program point L96-2(lines 96 113) no Hoare annotation was computed. [2021-10-11 02:31:39,954 INFO L262 CegarLoopResult]: For program point L96-3(lines 96 113) no Hoare annotation was computed. [2021-10-11 02:31:39,954 INFO L262 CegarLoopResult]: For program point L96-4(lines 96 113) no Hoare annotation was computed. [2021-10-11 02:31:39,954 INFO L262 CegarLoopResult]: For program point L96-5(lines 96 113) no Hoare annotation was computed. [2021-10-11 02:31:39,955 INFO L258 CegarLoopResult]: At program point L64(lines 60 82) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse1 .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse3 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse2))) [2021-10-11 02:31:39,955 INFO L258 CegarLoopResult]: At program point L64-1(lines 60 82) the Hoare annotation is: false [2021-10-11 02:31:39,955 INFO L258 CegarLoopResult]: At program point L64-2(lines 60 82) the Hoare annotation is: false [2021-10-11 02:31:39,955 INFO L258 CegarLoopResult]: At program point L494(lines 490 496) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:31:39,955 INFO L262 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2021-10-11 02:31:39,955 INFO L258 CegarLoopResult]: At program point L230(lines 215 233) the Hoare annotation is: false [2021-10-11 02:31:39,955 INFO L262 CegarLoopResult]: For program point L329-3(lines 329 333) no Hoare annotation was computed. [2021-10-11 02:31:39,956 INFO L258 CegarLoopResult]: At program point L230-1(lines 215 233) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))))) [2021-10-11 02:31:39,956 INFO L258 CegarLoopResult]: At program point L230-2(lines 215 233) the Hoare annotation is: false [2021-10-11 02:31:39,956 INFO L258 CegarLoopResult]: At program point L230-3(lines 215 233) the Hoare annotation is: false [2021-10-11 02:31:39,956 INFO L262 CegarLoopResult]: For program point L329-6(lines 329 333) no Hoare annotation was computed. [2021-10-11 02:31:39,956 INFO L258 CegarLoopResult]: At program point L230-4(lines 215 233) the Hoare annotation is: false [2021-10-11 02:31:39,956 INFO L258 CegarLoopResult]: At program point L230-5(lines 215 233) the Hoare annotation is: false [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point L430-2(line 430) no Hoare annotation was computed. [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2021-10-11 02:31:39,957 INFO L262 CegarLoopResult]: For program point L100-1(lines 100 108) no Hoare annotation was computed. [2021-10-11 02:31:39,958 INFO L262 CegarLoopResult]: For program point L100-2(lines 100 108) no Hoare annotation was computed. [2021-10-11 02:31:39,958 INFO L262 CegarLoopResult]: For program point L100-3(lines 100 108) no Hoare annotation was computed. [2021-10-11 02:31:39,958 INFO L262 CegarLoopResult]: For program point L100-4(lines 100 108) no Hoare annotation was computed. [2021-10-11 02:31:39,958 INFO L262 CegarLoopResult]: For program point L100-5(lines 100 108) no Hoare annotation was computed. [2021-10-11 02:31:39,958 INFO L258 CegarLoopResult]: At program point L398(lines 393 401) the Hoare annotation is: (let ((.cse1 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3 .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse4 .cse3))) [2021-10-11 02:31:39,958 INFO L258 CegarLoopResult]: At program point L398-1(lines 393 401) the Hoare annotation is: false [2021-10-11 02:31:39,958 INFO L258 CegarLoopResult]: At program point L398-2(lines 393 401) the Hoare annotation is: false [2021-10-11 02:31:40,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:40 BoogieIcfgContainer [2021-10-11 02:31:40,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:40,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:40,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:40,017 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:40,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:15" (3/4) ... [2021-10-11 02:31:40,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:40,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:31:40,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:31:40,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:31:40,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:31:40,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:31:40,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:40,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:40,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:31:40,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:31:40,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:31:40,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:31:40,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:31:40,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:31:40,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:31:40,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:31:40,093 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:31:40,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:31:40,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72599d8b-71e4-4b3e-bf01-eab1ab8d74a6/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:40,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:40,178 INFO L168 Benchmark]: Toolchain (without parser) took 28320.61 ms. Allocated memory was 62.9 MB in the beginning and 132.1 MB in the end (delta: 69.2 MB). Free memory was 41.9 MB in the beginning and 60.0 MB in the end (delta: -18.1 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:40,178 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 44.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:40,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.11 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 30.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:40,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.66 ms. Allocated memory is still 62.9 MB. Free memory was 30.2 MB in the beginning and 26.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:40,179 INFO L168 Benchmark]: Boogie Preprocessor took 96.21 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 26.3 MB in the beginning and 70.8 MB in the end (delta: -44.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:40,180 INFO L168 Benchmark]: RCFGBuilder took 2841.49 ms. Allocated memory is still 90.2 MB. Free memory was 70.8 MB in the beginning and 59.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:40,180 INFO L168 Benchmark]: TraceAbstraction took 24360.36 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 59.1 MB in the beginning and 70.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 71.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:40,181 INFO L168 Benchmark]: Witness Printer took 159.98 ms. Allocated memory is still 132.1 MB. Free memory was 70.5 MB in the beginning and 60.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:40,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 62.9 MB. Free memory is still 44.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 747.11 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 30.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.66 ms. Allocated memory is still 62.9 MB. Free memory was 30.2 MB in the beginning and 26.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.21 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 26.3 MB in the beginning and 70.8 MB in the end (delta: -44.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2841.49 ms. Allocated memory is still 90.2 MB. Free memory was 70.8 MB in the beginning and 59.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24360.36 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 59.1 MB in the beginning and 70.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 71.2 MB. Max. memory is 16.1 GB. * Witness Printer took 159.98 ms. Allocated memory is still 132.1 MB. Free memory was 70.5 MB in the beginning and 60.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) || ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && tmp___0 == 0bv32) || (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(tmp___0, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && 1bv32 == pumpRunning) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || (((((1bv32 == \result && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1283 SDtfs, 2796 SDslu, 3190 SDs, 0 SdLazy, 861 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 858 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2498 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1410 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 127 NumberOfFragments, 713 HoareAnnotationTreeSize, 49 FomulaSimplifications, 116277 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 49 FomulaSimplificationsInter, 14784 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 699 ConstructedInterpolants, 0 QuantifiedInterpolants, 85265 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2921 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 181/205 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...