./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.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_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 c9413dd793f1d68cdbd482b32ad92680b7805316 ............................................................................................................................................ 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_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 c9413dd793f1d68cdbd482b32ad92680b7805316 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:29:41,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:41,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:41,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:41,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:41,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:41,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:41,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:41,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:41,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:41,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:41,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:41,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:41,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:41,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:41,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:41,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:41,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:41,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:41,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:41,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:41,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:41,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:41,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:41,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:41,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:41,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:41,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:41,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:41,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:41,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:41,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:41,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:41,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:41,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:41,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:41,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:41,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:41,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:41,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:41,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:41,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:41,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:41,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:41,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:41,163 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:41,163 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:41,164 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:41,164 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:41,164 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:41,164 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:41,165 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:41,165 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:41,165 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:41,165 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:41,165 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:41,166 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:41,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:41,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:41,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:41,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:41,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:41,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:41,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:41,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:41,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:41,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:41,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:41,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:41,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:41,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:41,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:41,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:41,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:41,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:41,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:41,171 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:41,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:41,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:41,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:41,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:41,172 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_700b5894-3c67-4991-8c20-eedfb0aa04f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9413dd793f1d68cdbd482b32ad92680b7805316 [2021-10-11 02:29:41,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:41,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:41,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:41,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:41,463 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:41,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-11 02:29:41,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/12fc38a86/b8a85ef3159f405383d6d4d7677aaf38/FLAGd3352c78c [2021-10-11 02:29:42,112 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:42,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-11 02:29:42,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/12fc38a86/b8a85ef3159f405383d6d4d7677aaf38/FLAGd3352c78c [2021-10-11 02:29:42,388 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/12fc38a86/b8a85ef3159f405383d6d4d7677aaf38 [2021-10-11 02:29:42,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:42,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:42,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:42,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:42,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:42,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:42" (1/1) ... [2021-10-11 02:29:42,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@660d0e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:42, skipping insertion in model container [2021-10-11 02:29:42,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:42" (1/1) ... [2021-10-11 02:29:42,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:42,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:42,794 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_700b5894-3c67-4991-8c20-eedfb0aa04f7/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-11 02:29:42,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:42,836 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 02:29:42,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37ec6f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:42, skipping insertion in model container [2021-10-11 02:29:42,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:42,839 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:29:42,842 INFO L168 Benchmark]: Toolchain (without parser) took 447.99 ms. Allocated memory is still 81.8 MB. Free memory was 41.0 MB in the beginning and 55.3 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:42,844 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 58.5 MB in the beginning and 58.4 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:42,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.70 ms. Allocated memory is still 81.8 MB. Free memory was 61.7 MB in the beginning and 55.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:42,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 58.5 MB in the beginning and 58.4 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 433.70 ms. Allocated memory is still 81.8 MB. Free memory was 61.7 MB in the beginning and 55.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 490]: 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 02:29:45,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:45,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:45,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:45,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:45,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:45,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:45,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:45,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:45,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:45,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:45,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:45,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:45,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:45,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:45,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:45,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:45,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:45,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:45,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:45,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:45,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:45,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:45,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:45,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:45,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:45,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:45,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:45,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:45,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:45,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:45,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:45,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:45,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:45,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:45,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:45,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:45,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:45,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:45,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:45,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:45,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:29:45,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:45,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:45,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:45,382 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:45,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:45,383 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:45,383 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:45,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:45,383 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:45,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:45,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:45,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:45,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:45,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:45,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:45,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:45,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:45,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:29:45,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:29:45,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:45,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:45,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:45,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:45,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:45,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:29:45,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:45,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:45,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:45,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:45,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:45,390 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:29:45,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:45,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:45,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:45,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:45,392 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_700b5894-3c67-4991-8c20-eedfb0aa04f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9413dd793f1d68cdbd482b32ad92680b7805316 [2021-10-11 02:29:45,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:45,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:45,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:45,857 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:45,858 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:45,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-11 02:29:45,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/11f6dacf8/ca98820bf2064e7f988b6f588804499a/FLAGed19013b7 [2021-10-11 02:29:46,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:46,534 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-11 02:29:46,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/11f6dacf8/ca98820bf2064e7f988b6f588804499a/FLAGed19013b7 [2021-10-11 02:29:46,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/data/11f6dacf8/ca98820bf2064e7f988b6f588804499a [2021-10-11 02:29:46,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:46,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:46,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:46,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:46,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:46,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:46" (1/1) ... [2021-10-11 02:29:46,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd621e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:46, skipping insertion in model container [2021-10-11 02:29:46,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:46" (1/1) ... [2021-10-11 02:29:46,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:46,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:47,287 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_700b5894-3c67-4991-8c20-eedfb0aa04f7/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-11 02:29:47,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:47,338 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:29:47,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:47,457 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_700b5894-3c67-4991-8c20-eedfb0aa04f7/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-11 02:29:47,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:47,466 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:47,556 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_700b5894-3c67-4991-8c20-eedfb0aa04f7/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-11 02:29:47,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:47,623 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:47,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47 WrapperNode [2021-10-11 02:29:47,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:47,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:47,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:47,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:47,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:47,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:47,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:47,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:47,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... [2021-10-11 02:29:47,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:47,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:47,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:47,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:47,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:29:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:50,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:50,636 INFO L299 CfgBuilder]: Removed 210 assume(true) statements. [2021-10-11 02:29:50,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:50 BoogieIcfgContainer [2021-10-11 02:29:50,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:50,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:50,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:50,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:50,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:46" (1/3) ... [2021-10-11 02:29:50,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d6c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:50, skipping insertion in model container [2021-10-11 02:29:50,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:47" (2/3) ... [2021-10-11 02:29:50,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d6c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:50, skipping insertion in model container [2021-10-11 02:29:50,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:50" (3/3) ... [2021-10-11 02:29:50,652 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2021-10-11 02:29:50,663 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:50,667 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:29:50,678 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:29:50,714 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:50,714 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:50,714 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:50,714 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:50,715 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:50,715 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:50,715 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:50,715 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2021-10-11 02:29:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:29:50,738 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:50,739 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 02:29:50,740 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:50,745 INFO L82 PathProgramCache]: Analyzing trace with hash 389332384, now seen corresponding path program 1 times [2021-10-11 02:29:50,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:50,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48930291] [2021-10-11 02:29:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:51,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:29:51,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:51,086 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 02:29:51,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:51,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48930291] [2021-10-11 02:29:51,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:51,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:51,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975971145] [2021-10-11 02:29:51,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:29:51,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:51,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:29:51,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:29:51,108 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2021-10-11 02:29:51,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:51,144 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2021-10-11 02:29:51,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:29:51,146 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 02:29:51,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:51,157 INFO L225 Difference]: With dead ends: 285 [2021-10-11 02:29:51,157 INFO L226 Difference]: Without dead ends: 142 [2021-10-11 02:29:51,178 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 02:29:51,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-11 02:29:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-10-11 02:29:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-10-11 02:29:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 204 transitions. [2021-10-11 02:29:51,226 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 204 transitions. Word has length 19 [2021-10-11 02:29:51,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:51,226 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 204 transitions. [2021-10-11 02:29:51,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:29:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 204 transitions. [2021-10-11 02:29:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:29:51,228 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:51,228 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 02:29:51,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:29:51,444 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:51,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:51,445 INFO L82 PathProgramCache]: Analyzing trace with hash -820290624, now seen corresponding path program 1 times [2021-10-11 02:29:51,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:51,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701914003] [2021-10-11 02:29:51,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:51,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:51,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:51,742 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 02:29:51,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:51,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701914003] [2021-10-11 02:29:51,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:51,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:51,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136799266] [2021-10-11 02:29:51,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:51,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:51,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:51,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:51,746 INFO L87 Difference]: Start difference. First operand 142 states and 204 transitions. Second operand 3 states. [2021-10-11 02:29:51,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:51,762 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2021-10-11 02:29:51,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:51,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:29:51,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:51,764 INFO L225 Difference]: With dead ends: 142 [2021-10-11 02:29:51,764 INFO L226 Difference]: Without dead ends: 59 [2021-10-11 02:29:51,765 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 02:29:51,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-11 02:29:51,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-11 02:29:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-10-11 02:29:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2021-10-11 02:29:51,772 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 20 [2021-10-11 02:29:51,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:51,773 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2021-10-11 02:29:51,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2021-10-11 02:29:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:29:51,774 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:51,774 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 02:29:51,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:29:51,990 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:51,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:51,991 INFO L82 PathProgramCache]: Analyzing trace with hash 161597825, now seen corresponding path program 1 times [2021-10-11 02:29:51,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:51,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349536128] [2021-10-11 02:29:51,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:52,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:52,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:52,278 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 02:29:52,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:52,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349536128] [2021-10-11 02:29:52,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:52,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:52,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842345545] [2021-10-11 02:29:52,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:52,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:52,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:52,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:52,290 INFO L87 Difference]: Start difference. First operand 59 states and 84 transitions. Second operand 3 states. [2021-10-11 02:29:52,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:52,329 INFO L93 Difference]: Finished difference Result 163 states and 238 transitions. [2021-10-11 02:29:52,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:52,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:29:52,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:52,337 INFO L225 Difference]: With dead ends: 163 [2021-10-11 02:29:52,337 INFO L226 Difference]: Without dead ends: 111 [2021-10-11 02:29:52,338 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 02:29:52,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-11 02:29:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2021-10-11 02:29:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 02:29:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2021-10-11 02:29:52,362 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 26 [2021-10-11 02:29:52,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:52,362 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2021-10-11 02:29:52,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:52,362 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2021-10-11 02:29:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:29:52,364 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:52,364 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 02:29:52,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:29:52,584 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:52,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:52,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1792264266, now seen corresponding path program 1 times [2021-10-11 02:29:52,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:52,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860616175] [2021-10-11 02:29:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:52,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:52,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:52,865 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 02:29:52,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:52,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860616175] [2021-10-11 02:29:52,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:52,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:52,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217852915] [2021-10-11 02:29:52,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:52,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:52,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:52,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:52,869 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand 3 states. [2021-10-11 02:29:52,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:52,960 INFO L93 Difference]: Finished difference Result 254 states and 375 transitions. [2021-10-11 02:29:52,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:52,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2021-10-11 02:29:52,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:52,966 INFO L225 Difference]: With dead ends: 254 [2021-10-11 02:29:52,967 INFO L226 Difference]: Without dead ends: 154 [2021-10-11 02:29:52,969 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 02:29:52,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-10-11 02:29:52,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-10-11 02:29:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-10-11 02:29:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 218 transitions. [2021-10-11 02:29:53,003 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 218 transitions. Word has length 28 [2021-10-11 02:29:53,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:53,005 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 218 transitions. [2021-10-11 02:29:53,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 218 transitions. [2021-10-11 02:29:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:29:53,010 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:53,010 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] [2021-10-11 02:29:53,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:29:53,225 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:53,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:53,225 INFO L82 PathProgramCache]: Analyzing trace with hash -106881590, now seen corresponding path program 1 times [2021-10-11 02:29:53,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:53,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174923200] [2021-10-11 02:29:53,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:53,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:53,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:53,495 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 02:29:53,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:53,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174923200] [2021-10-11 02:29:53,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:53,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:53,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031947292] [2021-10-11 02:29:53,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:53,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:53,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:53,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:53,497 INFO L87 Difference]: Start difference. First operand 152 states and 218 transitions. Second operand 5 states. [2021-10-11 02:29:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:53,704 INFO L93 Difference]: Finished difference Result 535 states and 767 transitions. [2021-10-11 02:29:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:29:53,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:29:53,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:53,707 INFO L225 Difference]: With dead ends: 535 [2021-10-11 02:29:53,708 INFO L226 Difference]: Without dead ends: 390 [2021-10-11 02:29:53,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 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 02:29:53,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-10-11 02:29:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 150. [2021-10-11 02:29:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2021-10-11 02:29:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 212 transitions. [2021-10-11 02:29:53,729 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 212 transitions. Word has length 29 [2021-10-11 02:29:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:53,729 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 212 transitions. [2021-10-11 02:29:53,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 212 transitions. [2021-10-11 02:29:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:29:53,731 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:53,731 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, 1, 1] [2021-10-11 02:29:53,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:29:53,947 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:53,947 INFO L82 PathProgramCache]: Analyzing trace with hash -679787626, now seen corresponding path program 1 times [2021-10-11 02:29:53,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:53,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076596255] [2021-10-11 02:29:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:54,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:54,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:54,228 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 02:29:54,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:54,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076596255] [2021-10-11 02:29:54,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:54,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:54,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224405864] [2021-10-11 02:29:54,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:54,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:54,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:54,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:54,230 INFO L87 Difference]: Start difference. First operand 150 states and 212 transitions. Second operand 5 states. [2021-10-11 02:29:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:54,326 INFO L93 Difference]: Finished difference Result 395 states and 553 transitions. [2021-10-11 02:29:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:54,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2021-10-11 02:29:54,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:54,328 INFO L225 Difference]: With dead ends: 395 [2021-10-11 02:29:54,328 INFO L226 Difference]: Without dead ends: 252 [2021-10-11 02:29:54,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 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 02:29:54,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2021-10-11 02:29:54,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 162. [2021-10-11 02:29:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-10-11 02:29:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 224 transitions. [2021-10-11 02:29:54,345 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 224 transitions. Word has length 37 [2021-10-11 02:29:54,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:54,346 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 224 transitions. [2021-10-11 02:29:54,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:54,346 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 224 transitions. [2021-10-11 02:29:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:29:54,347 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:54,347 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, 1, 1] [2021-10-11 02:29:54,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:29:54,567 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:54,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:54,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1690904876, now seen corresponding path program 1 times [2021-10-11 02:29:54,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:54,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812470093] [2021-10-11 02:29:54,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:54,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:29:54,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:54,822 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 02:29:54,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:54,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812470093] [2021-10-11 02:29:54,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:54,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:54,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525745053] [2021-10-11 02:29:54,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:54,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:54,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:54,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:54,827 INFO L87 Difference]: Start difference. First operand 162 states and 224 transitions. Second operand 4 states. [2021-10-11 02:29:54,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:54,899 INFO L93 Difference]: Finished difference Result 383 states and 526 transitions. [2021-10-11 02:29:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:54,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-10-11 02:29:54,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:54,902 INFO L225 Difference]: With dead ends: 383 [2021-10-11 02:29:54,902 INFO L226 Difference]: Without dead ends: 228 [2021-10-11 02:29:54,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 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 02:29:54,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-10-11 02:29:54,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 170. [2021-10-11 02:29:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2021-10-11 02:29:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 232 transitions. [2021-10-11 02:29:54,920 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 232 transitions. Word has length 37 [2021-10-11 02:29:54,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:54,920 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 232 transitions. [2021-10-11 02:29:54,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 232 transitions. [2021-10-11 02:29:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:29:54,922 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:54,922 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, 1, 1] [2021-10-11 02:29:55,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:29:55,134 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:55,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:55,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1582994066, now seen corresponding path program 1 times [2021-10-11 02:29:55,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:55,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296273508] [2021-10-11 02:29:55,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:55,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:55,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:55,375 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 02:29:55,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:55,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296273508] [2021-10-11 02:29:55,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:55,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:55,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675110408] [2021-10-11 02:29:55,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:55,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:55,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:55,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:55,377 INFO L87 Difference]: Start difference. First operand 170 states and 232 transitions. Second operand 3 states. [2021-10-11 02:29:55,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:55,445 INFO L93 Difference]: Finished difference Result 391 states and 532 transitions. [2021-10-11 02:29:55,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:55,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-10-11 02:29:55,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:55,447 INFO L225 Difference]: With dead ends: 391 [2021-10-11 02:29:55,450 INFO L226 Difference]: Without dead ends: 228 [2021-10-11 02:29:55,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 02:29:55,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-10-11 02:29:55,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2021-10-11 02:29:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 02:29:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 303 transitions. [2021-10-11 02:29:55,477 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 303 transitions. Word has length 37 [2021-10-11 02:29:55,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:55,477 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 303 transitions. [2021-10-11 02:29:55,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 303 transitions. [2021-10-11 02:29:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-11 02:29:55,478 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:55,478 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, 1, 1, 1] [2021-10-11 02:29:55,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:29:55,694 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:55,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:55,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1176175278, now seen corresponding path program 1 times [2021-10-11 02:29:55,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:55,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965119658] [2021-10-11 02:29:55,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:55,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:29:55,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:55,999 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 02:29:55,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:55,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965119658] [2021-10-11 02:29:55,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:55,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:55,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951218708] [2021-10-11 02:29:56,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:29:56,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:56,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:29:56,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:56,001 INFO L87 Difference]: Start difference. First operand 228 states and 303 transitions. Second operand 6 states. [2021-10-11 02:29:57,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:57,918 INFO L93 Difference]: Finished difference Result 1125 states and 1536 transitions. [2021-10-11 02:29:57,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-11 02:29:57,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2021-10-11 02:29:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:57,925 INFO L225 Difference]: With dead ends: 1125 [2021-10-11 02:29:57,925 INFO L226 Difference]: Without dead ends: 962 [2021-10-11 02:29:57,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 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 02:29:57,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-10-11 02:29:57,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 402. [2021-10-11 02:29:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2021-10-11 02:29:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 535 transitions. [2021-10-11 02:29:57,989 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 535 transitions. Word has length 38 [2021-10-11 02:29:57,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:57,991 INFO L481 AbstractCegarLoop]: Abstraction has 402 states and 535 transitions. [2021-10-11 02:29:57,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:29:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 535 transitions. [2021-10-11 02:29:57,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-11 02:29:57,992 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:57,992 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:58,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,208 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash 133494054, now seen corresponding path program 1 times [2021-10-11 02:29:58,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [228994420] [2021-10-11 02:29:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/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 02:29:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:58,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:29:58,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:58,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:29:58,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [228994420] [2021-10-11 02:29:58,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:58,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:58,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953631192] [2021-10-11 02:29:58,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:58,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:58,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:58,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:58,463 INFO L87 Difference]: Start difference. First operand 402 states and 535 transitions. Second operand 3 states. [2021-10-11 02:29:58,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:58,556 INFO L93 Difference]: Finished difference Result 669 states and 893 transitions. [2021-10-11 02:29:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:58,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-10-11 02:29:58,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:58,561 INFO L225 Difference]: With dead ends: 669 [2021-10-11 02:29:58,561 INFO L226 Difference]: Without dead ends: 466 [2021-10-11 02:29:58,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 02:29:58,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-11 02:29:58,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 268. [2021-10-11 02:29:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2021-10-11 02:29:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 354 transitions. [2021-10-11 02:29:58,600 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 354 transitions. Word has length 57 [2021-10-11 02:29:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:58,600 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 354 transitions. [2021-10-11 02:29:58,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 354 transitions. [2021-10-11 02:29:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-11 02:29:58,602 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:58,603 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, 1, 1, 1] [2021-10-11 02:29:58,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:29:58,825 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:58,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:58,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1917118807, now seen corresponding path program 1 times [2021-10-11 02:29:58,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:29:58,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217011787] [2021-10-11 02:29:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:29:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:59,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:29:59,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:59,146 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 02:29:59,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:29:59,197 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:29:59,198 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:29:59,283 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 02:29:59,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217011787] [2021-10-11 02:29:59,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1816126864] [2021-10-11 02:29:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:29:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:59,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:29:59,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:59,598 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 02:29:59,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:29:59,723 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 02:29:59,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443528917] [2021-10-11 02:29:59,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:29:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:59,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:29:59,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:29:59,926 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 02:29:59,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:29:59,982 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 02:29:59,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:29:59,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-11 02:29:59,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882187924] [2021-10-11 02:29:59,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-10-11 02:29:59,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:29:59,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-11 02:29:59,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:29:59,994 INFO L87 Difference]: Start difference. First operand 268 states and 354 transitions. Second operand 14 states. [2021-10-11 02:30:10,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:10,821 INFO L93 Difference]: Finished difference Result 1898 states and 2597 transitions. [2021-10-11 02:30:10,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-11 02:30:10,821 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 61 [2021-10-11 02:30:10,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:10,830 INFO L225 Difference]: With dead ends: 1898 [2021-10-11 02:30:10,831 INFO L226 Difference]: Without dead ends: 1637 [2021-10-11 02:30:10,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3981 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1791, Invalid=8715, Unknown=0, NotChecked=0, Total=10506 [2021-10-11 02:30:10,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2021-10-11 02:30:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 339. [2021-10-11 02:30:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2021-10-11 02:30:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 440 transitions. [2021-10-11 02:30:10,889 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 440 transitions. Word has length 61 [2021-10-11 02:30:10,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:10,890 INFO L481 AbstractCegarLoop]: Abstraction has 339 states and 440 transitions. [2021-10-11 02:30:10,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-10-11 02:30:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 440 transitions. [2021-10-11 02:30:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-11 02:30:10,891 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:30:10,892 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, 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 02:30:11,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:30:11,511 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:30:11,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:30:11,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1565951782, now seen corresponding path program 1 times [2021-10-11 02:30:11,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:30:11,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888616297] [2021-10-11 02:30:11,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2021-10-11 02:30:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:30:11,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:30:11,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:30:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-11 02:30:11,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:30:11,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [888616297] [2021-10-11 02:30:11,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:30:11,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:30:11,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009521609] [2021-10-11 02:30:11,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:30:11,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:30:11,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:30:11,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:30:11,802 INFO L87 Difference]: Start difference. First operand 339 states and 440 transitions. Second operand 5 states. [2021-10-11 02:30:11,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:30:11,900 INFO L93 Difference]: Finished difference Result 662 states and 851 transitions. [2021-10-11 02:30:11,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:30:11,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2021-10-11 02:30:11,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:30:11,901 INFO L225 Difference]: With dead ends: 662 [2021-10-11 02:30:11,901 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:30:11,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 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 02:30:11,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:30:11,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:30:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:30:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:30:11,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2021-10-11 02:30:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:30:11,904 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:30:11,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:30:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:30:11,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:30:12,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2021-10-11 02:30:12,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:30:12,476 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 96 [2021-10-11 02:30:12,725 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 96 [2021-10-11 02:30:13,158 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 104 [2021-10-11 02:30:13,324 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2021-10-11 02:30:13,450 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 101 [2021-10-11 02:30:13,663 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 84 [2021-10-11 02:30:13,982 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 108 [2021-10-11 02:30:14,597 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 23 [2021-10-11 02:30:15,105 WARN L197 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 23 [2021-10-11 02:30:15,356 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 16 [2021-10-11 02:30:15,652 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2021-10-11 02:30:16,082 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 22 [2021-10-11 02:30:16,444 WARN L197 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 26 [2021-10-11 02:30:16,932 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 27 [2021-10-11 02:30:17,284 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2021-10-11 02:30:17,535 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 21 [2021-10-11 02:30:17,729 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2021-10-11 02:30:17,913 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 26 [2021-10-11 02:30:18,513 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 25 [2021-10-11 02:30:18,598 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 832) no Hoare annotation was computed. [2021-10-11 02:30:18,598 INFO L262 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-10-11 02:30:18,598 INFO L262 CegarLoopResult]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-10-11 02:30:18,599 INFO L262 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2021-10-11 02:30:18,599 INFO L262 CegarLoopResult]: For program point L334-2(lines 334 340) no Hoare annotation was computed. [2021-10-11 02:30:18,599 INFO L262 CegarLoopResult]: For program point L301-1(lines 301 309) no Hoare annotation was computed. [2021-10-11 02:30:18,600 INFO L262 CegarLoopResult]: For program point L301-2(lines 301 309) no Hoare annotation was computed. [2021-10-11 02:30:18,600 INFO L262 CegarLoopResult]: For program point L202(lines 202 208) no Hoare annotation was computed. [2021-10-11 02:30:18,601 INFO L262 CegarLoopResult]: For program point L334-4(lines 334 340) no Hoare annotation was computed. [2021-10-11 02:30:18,601 INFO L258 CegarLoopResult]: At program point L202-1(lines 202 208) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:30:18,601 INFO L262 CegarLoopResult]: For program point L334-6(lines 334 340) no Hoare annotation was computed. [2021-10-11 02:30:18,602 INFO L262 CegarLoopResult]: For program point L334-8(lines 334 340) no Hoare annotation was computed. [2021-10-11 02:30:18,602 INFO L262 CegarLoopResult]: For program point L334-10(lines 334 340) no Hoare annotation was computed. [2021-10-11 02:30:18,604 INFO L258 CegarLoopResult]: At program point L368(lines 363 371) 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 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 .cse3) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse3))) [2021-10-11 02:30:18,605 INFO L258 CegarLoopResult]: At program point L368-1(lines 363 371) 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)) [2021-10-11 02:30:18,605 INFO L258 CegarLoopResult]: At program point L368-2(lines 363 371) the Hoare annotation is: false [2021-10-11 02:30:18,605 INFO L258 CegarLoopResult]: At program point L368-3(lines 363 371) the Hoare annotation is: false [2021-10-11 02:30:18,605 INFO L258 CegarLoopResult]: At program point L368-4(lines 363 371) the Hoare annotation is: false [2021-10-11 02:30:18,606 INFO L258 CegarLoopResult]: At program point L368-5(lines 363 371) the Hoare annotation is: false [2021-10-11 02:30:18,606 INFO L262 CegarLoopResult]: For program point L864(lines 864 881) no Hoare annotation was computed. [2021-10-11 02:30:18,606 INFO L258 CegarLoopResult]: At program point L864-1(lines 1 1019) the Hoare annotation is: (let ((.cse0 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse3 .cse4) (and .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2021-10-11 02:30:18,606 INFO L258 CegarLoopResult]: At program point L897-2(lines 897 911) the Hoare annotation is: false [2021-10-11 02:30:18,607 INFO L262 CegarLoopResult]: For program point L864-2(lines 864 881) no Hoare annotation was computed. [2021-10-11 02:30:18,607 INFO L258 CegarLoopResult]: At program point L864-3(lines 1 1019) the Hoare annotation is: false [2021-10-11 02:30:18,607 INFO L262 CegarLoopResult]: For program point L864-4(lines 864 881) no Hoare annotation was computed. [2021-10-11 02:30:18,607 INFO L258 CegarLoopResult]: At program point L864-5(lines 1 1019) the Hoare annotation is: false [2021-10-11 02:30:18,607 INFO L258 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-11 02:30:18,607 INFO L258 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2))) [2021-10-11 02:30:18,608 INFO L258 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-11 02:30:18,608 INFO L258 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-10-11 02:30:18,608 INFO L258 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-11 02:30:18,608 INFO L258 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-11 02:30:18,608 INFO L262 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2021-10-11 02:30:18,608 INFO L262 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2021-10-11 02:30:18,608 INFO L262 CegarLoopResult]: For program point L832-1(line 832) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L832-2(line 832) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L436(lines 436 440) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L436-2(lines 436 440) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L436-3(lines 436 440) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L271(lines 271 288) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L436-5(lines 436 440) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L271-1(lines 271 288) no Hoare annotation was computed. [2021-10-11 02:30:18,609 INFO L262 CegarLoopResult]: For program point L436-6(lines 436 440) no Hoare annotation was computed. [2021-10-11 02:30:18,610 INFO L262 CegarLoopResult]: For program point L271-2(lines 271 288) no Hoare annotation was computed. [2021-10-11 02:30:18,610 INFO L262 CegarLoopResult]: For program point L271-3(lines 271 288) no Hoare annotation was computed. [2021-10-11 02:30:18,610 INFO L262 CegarLoopResult]: For program point L436-8(lines 436 440) no Hoare annotation was computed. [2021-10-11 02:30:18,610 INFO L262 CegarLoopResult]: For program point L271-4(lines 271 288) no Hoare annotation was computed. [2021-10-11 02:30:18,610 INFO L262 CegarLoopResult]: For program point L271-5(lines 271 288) no Hoare annotation was computed. [2021-10-11 02:30:18,610 INFO L258 CegarLoopResult]: At program point L239(lines 235 257) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1 (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0)) (and .cse0 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 .cse2))) [2021-10-11 02:30:18,611 INFO L258 CegarLoopResult]: At program point L239-1(lines 235 257) the Hoare annotation is: false [2021-10-11 02:30:18,611 INFO L258 CegarLoopResult]: At program point L239-2(lines 235 257) the Hoare annotation is: false [2021-10-11 02:30:18,611 INFO L262 CegarLoopResult]: For program point L901(lines 901 905) no Hoare annotation was computed. [2021-10-11 02:30:18,611 INFO L262 CegarLoopResult]: For program point L868(lines 868 878) no Hoare annotation was computed. [2021-10-11 02:30:18,611 INFO L262 CegarLoopResult]: For program point L901-1(lines 901 905) no Hoare annotation was computed. [2021-10-11 02:30:18,611 INFO L262 CegarLoopResult]: For program point L868-2(lines 868 878) no Hoare annotation was computed. [2021-10-11 02:30:18,611 INFO L262 CegarLoopResult]: For program point L868-4(lines 868 878) no Hoare annotation was computed. [2021-10-11 02:30:18,612 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 832) no Hoare annotation was computed. [2021-10-11 02:30:18,612 INFO L262 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2021-10-11 02:30:18,612 INFO L262 CegarLoopResult]: For program point L869-2(lines 869 875) no Hoare annotation was computed. [2021-10-11 02:30:18,612 INFO L262 CegarLoopResult]: For program point L869-4(lines 869 875) no Hoare annotation was computed. [2021-10-11 02:30:18,612 INFO L262 CegarLoopResult]: For program point L275(lines 275 283) no Hoare annotation was computed. [2021-10-11 02:30:18,612 INFO L262 CegarLoopResult]: For program point L275-1(lines 275 283) no Hoare annotation was computed. [2021-10-11 02:30:18,612 INFO L262 CegarLoopResult]: For program point L275-2(lines 275 283) no Hoare annotation was computed. [2021-10-11 02:30:18,613 INFO L262 CegarLoopResult]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-10-11 02:30:18,613 INFO L262 CegarLoopResult]: For program point L275-3(lines 275 283) no Hoare annotation was computed. [2021-10-11 02:30:18,613 INFO L258 CegarLoopResult]: At program point L176-1(lines 176 182) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:30:18,613 INFO L262 CegarLoopResult]: For program point L275-4(lines 275 283) no Hoare annotation was computed. [2021-10-11 02:30:18,613 INFO L262 CegarLoopResult]: For program point L275-5(lines 275 283) no Hoare annotation was computed. [2021-10-11 02:30:18,613 INFO L258 CegarLoopResult]: At program point L442(lines 427 445) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:30:18,614 INFO L258 CegarLoopResult]: At program point L442-1(lines 427 445) the Hoare annotation is: false [2021-10-11 02:30:18,614 INFO L258 CegarLoopResult]: At program point L442-2(lines 427 445) the Hoare annotation is: false [2021-10-11 02:30:18,614 INFO L262 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-11 02:30:18,614 INFO L262 CegarLoopResult]: For program point L972(lines 972 979) no Hoare annotation was computed. [2021-10-11 02:30:18,615 INFO L265 CegarLoopResult]: At program point L972-1(lines 972 979) the Hoare annotation is: true [2021-10-11 02:30:18,615 INFO L258 CegarLoopResult]: At program point L246(lines 246 252) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:30:18,615 INFO L258 CegarLoopResult]: At program point L246-1(lines 246 252) the Hoare annotation is: false [2021-10-11 02:30:18,615 INFO L258 CegarLoopResult]: At program point L246-2(lines 246 252) the Hoare annotation is: false [2021-10-11 02:30:18,615 INFO L258 CegarLoopResult]: At program point L214(lines 165 215) the Hoare annotation is: false [2021-10-11 02:30:18,616 INFO L258 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (_ bv1 32) ~switchedOnBeforeTS~0)) [2021-10-11 02:30:18,617 INFO L258 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-11 02:30:18,617 INFO L258 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-11 02:30:18,617 INFO L258 CegarLoopResult]: At program point L1008(lines 1 1019) 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 02:30:18,617 INFO L258 CegarLoopResult]: At program point L843(lines 838 845) 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 02:30:18,617 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:30:18,618 INFO L258 CegarLoopResult]: At program point L945(lines 941 947) 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 02:30:18,618 INFO L262 CegarLoopResult]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-10-11 02:30:18,618 INFO L258 CegarLoopResult]: At program point L450-1(lines 450 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:30:18,618 INFO L262 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,618 INFO L262 CegarLoopResult]: For program point L417-2(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,618 INFO L262 CegarLoopResult]: For program point L417-3(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,619 INFO L262 CegarLoopResult]: For program point L417-5(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,619 INFO L262 CegarLoopResult]: For program point L417-6(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,619 INFO L262 CegarLoopResult]: For program point L186(lines 186 192) no Hoare annotation was computed. [2021-10-11 02:30:18,619 INFO L258 CegarLoopResult]: At program point L186-1(lines 186 192) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1))) [2021-10-11 02:30:18,619 INFO L262 CegarLoopResult]: For program point L417-8(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,619 INFO L262 CegarLoopResult]: For program point L417-9(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,619 INFO L262 CegarLoopResult]: For program point L417-11(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,620 INFO L262 CegarLoopResult]: For program point L417-12(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,620 INFO L262 CegarLoopResult]: For program point L417-14(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,620 INFO L262 CegarLoopResult]: For program point L417-15(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,620 INFO L262 CegarLoopResult]: For program point L417-17(lines 417 421) no Hoare annotation was computed. [2021-10-11 02:30:18,620 INFO L262 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:30:18,620 INFO L262 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:30:18,620 INFO L265 CegarLoopResult]: At program point L981(lines 962 984) the Hoare annotation is: true [2021-10-11 02:30:18,620 INFO L262 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-11 02:30:18,621 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:30:18,621 INFO L258 CegarLoopResult]: At program point L1016(lines 1011 1019) 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 02:30:18,621 INFO L258 CegarLoopResult]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse1) (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) .cse2 .cse3))) [2021-10-11 02:30:18,621 INFO L258 CegarLoopResult]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2021-10-11 02:30:18,621 INFO L258 CegarLoopResult]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2021-10-11 02:30:18,621 INFO L258 CegarLoopResult]: At program point L423(lines 408 426) the Hoare annotation is: false [2021-10-11 02:30:18,622 INFO L258 CegarLoopResult]: At program point L423-1(lines 408 426) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))))) [2021-10-11 02:30:18,622 INFO L258 CegarLoopResult]: At program point L423-2(lines 408 426) the Hoare annotation is: false [2021-10-11 02:30:18,622 INFO L258 CegarLoopResult]: At program point L423-3(lines 408 426) the Hoare annotation is: false [2021-10-11 02:30:18,622 INFO L258 CegarLoopResult]: At program point L423-4(lines 408 426) the Hoare annotation is: false [2021-10-11 02:30:18,622 INFO L258 CegarLoopResult]: At program point L423-5(lines 408 426) the Hoare annotation is: false [2021-10-11 02:30:18,622 INFO L258 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-10-11 02:30:18,622 INFO L258 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:30:18,623 INFO L258 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: false [2021-10-11 02:30:18,623 INFO L258 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-11 02:30:18,623 INFO L258 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-11 02:30:18,623 INFO L258 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-11 02:30:18,623 INFO L258 CegarLoopResult]: At program point L853(lines 239 245) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))))) (or (and .cse0 .cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) .cse2) (and (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|) .cse0 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) ~pumpRunning~0) (= (_ bv1 32) ~switchedOnBeforeTS~0) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-11 02:30:18,623 INFO L258 CegarLoopResult]: At program point L853-1(lines 239 245) the Hoare annotation is: false [2021-10-11 02:30:18,624 INFO L258 CegarLoopResult]: At program point L853-2(lines 239 245) the Hoare annotation is: false [2021-10-11 02:30:18,624 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:30:18,624 INFO L258 CegarLoopResult]: At program point L359(lines 352 362) the Hoare annotation is: false [2021-10-11 02:30:18,624 INFO L258 CegarLoopResult]: At program point L359-1(lines 352 362) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) [2021-10-11 02:30:18,624 INFO L258 CegarLoopResult]: At program point L359-2(lines 352 362) the Hoare annotation is: false [2021-10-11 02:30:18,624 INFO L258 CegarLoopResult]: At program point L359-3(lines 352 362) the Hoare annotation is: false [2021-10-11 02:30:18,624 INFO L258 CegarLoopResult]: At program point L359-4(lines 352 362) the Hoare annotation is: false [2021-10-11 02:30:18,625 INFO L258 CegarLoopResult]: At program point L359-5(lines 352 362) the Hoare annotation is: false [2021-10-11 02:30:18,625 INFO L262 CegarLoopResult]: For program point L196(lines 196 209) no Hoare annotation was computed. [2021-10-11 02:30:18,625 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:30:18,625 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 832) no Hoare annotation was computed. [2021-10-11 02:30:18,625 INFO L262 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2021-10-11 02:30:18,625 INFO L262 CegarLoopResult]: For program point L297-1(lines 297 314) no Hoare annotation was computed. [2021-10-11 02:30:18,625 INFO L262 CegarLoopResult]: For program point L297-2(lines 297 314) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L167(lines 166 213) no Hoare annotation was computed. [2021-10-11 02:30:18,626 INFO L262 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-11 02:30:18,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:30:18 BoogieIcfgContainer [2021-10-11 02:30:18,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:30:18,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:30:18,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:30:18,685 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:30:18,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:50" (3/4) ... [2021-10-11 02:30:18,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:30:18,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:30:18,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:30:18,721 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:30:18,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:30:18,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:30:18,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:18,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:30:18,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:30:18,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:18,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:18,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:30:18,762 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) [2021-10-11 02:30:18,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS [2021-10-11 02:30:18,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) [2021-10-11 02:30:18,764 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning [2021-10-11 02:30:18,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:30:18,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) [2021-10-11 02:30:18,891 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_700b5894-3c67-4991-8c20-eedfb0aa04f7/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:30:18,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:30:18,893 INFO L168 Benchmark]: Toolchain (without parser) took 32103.99 ms. Allocated memory was 79.7 MB in the beginning and 207.6 MB in the end (delta: 127.9 MB). Free memory was 62.3 MB in the beginning and 153.7 MB in the end (delta: -91.4 MB). Peak memory consumption was 34.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:18,894 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 79.7 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:18,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.47 ms. Allocated memory is still 79.7 MB. Free memory was 62.1 MB in the beginning and 43.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:18,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.12 ms. Allocated memory is still 79.7 MB. Free memory was 43.1 MB in the beginning and 39.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:18,895 INFO L168 Benchmark]: Boogie Preprocessor took 104.20 ms. Allocated memory is still 79.7 MB. Free memory was 39.1 MB in the beginning and 36.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:18,895 INFO L168 Benchmark]: RCFGBuilder took 2788.27 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 36.0 MB in the beginning and 68.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:18,896 INFO L168 Benchmark]: TraceAbstraction took 28043.32 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 67.9 MB in the beginning and 165.2 MB in the end (delta: -97.3 MB). Peak memory consumption was 115.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:18,896 INFO L168 Benchmark]: Witness Printer took 206.80 ms. Allocated memory is still 207.6 MB. Free memory was 165.2 MB in the beginning and 153.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:18,900 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 79.7 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 834.47 ms. Allocated memory is still 79.7 MB. Free memory was 62.1 MB in the beginning and 43.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 120.12 ms. Allocated memory is still 79.7 MB. Free memory was 43.1 MB in the beginning and 39.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.20 ms. Allocated memory is still 79.7 MB. Free memory was 39.1 MB in the beginning and 36.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2788.27 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 36.0 MB in the beginning and 68.6 MB in the end (delta: -32.6 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28043.32 ms. Allocated memory was 96.5 MB in the beginning and 207.6 MB in the end (delta: 111.1 MB). Free memory was 67.9 MB in the beginning and 165.2 MB in the end (delta: -97.3 MB). Peak memory consumption was 115.1 MB. Max. memory is 16.1 GB. * Witness Printer took 206.80 ms. Allocated memory is still 207.6 MB. Free memory was 165.2 MB in the beginning and 153.7 MB in the end (delta: 11.5 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: 832]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 832]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 832]: 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: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: ((((((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS) && tmp == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) || ((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 1bv32 == switchedOnBeforeTS) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == pumpRunning) && \result == 0bv32) && 1bv32 == switchedOnBeforeTS - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((2bv32 == tmp && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((2bv32 == tmp && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 2bv32 == \result) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || ((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 1bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && \result == 0bv32) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((1bv32 == \result && splverifierCounter == 0bv32) && !(systemActive == 0bv32)) && 1bv32 == pumpRunning) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 146 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1571 SDtfs, 3158 SDslu, 3756 SDs, 0 SdLazy, 902 SolverSat, 232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 963 GetRequests, 828 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3994 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2450 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 216 NumberOfFragments, 718 HoareAnnotationTreeSize, 63 FomulaSimplifications, 326634 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 63 FomulaSimplificationsInter, 43385 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 100882 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3213 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 199/223 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...