./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.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_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 274cb202d29433d0217a25907d4511df826f0eca ............................................................................................................................................ 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_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 274cb202d29433d0217a25907d4511df826f0eca ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:23:14,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:14,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:14,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:14,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:14,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:14,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:14,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:14,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:14,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:14,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:14,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:14,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:14,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:14,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:14,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:14,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:14,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:14,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:14,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:14,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:14,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:14,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:14,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:14,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:14,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:14,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:14,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:14,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:14,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:14,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:14,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:14,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:14,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:14,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:14,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:14,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:14,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:14,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:14,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:14,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:14,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:14,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:14,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:14,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:14,240 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:14,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:14,240 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:14,240 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:14,241 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:14,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:14,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:14,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:14,249 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:14,249 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:14,249 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:14,249 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:14,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:14,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:14,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:14,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:14,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:14,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:14,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:14,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:14,252 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:14,252 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:14,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:14,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:14,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:14,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:14,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:14,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:14,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:14,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:14,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:14,256 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:14,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:14,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:14,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:14,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:14,257 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_74420f25-08a9-443c-aa17-0eaeefe24e6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 274cb202d29433d0217a25907d4511df826f0eca [2021-10-11 02:23:14,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:14,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:14,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:14,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:14,554 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:14,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2021-10-11 02:23:14,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/da79dc371/db2230ea039846288c8be707c57cbc27/FLAG4d313d498 [2021-10-11 02:23:15,146 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:15,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2021-10-11 02:23:15,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/da79dc371/db2230ea039846288c8be707c57cbc27/FLAG4d313d498 [2021-10-11 02:23:15,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/da79dc371/db2230ea039846288c8be707c57cbc27 [2021-10-11 02:23:15,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:15,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:15,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:15,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:15,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:15,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bc207a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15, skipping insertion in model container [2021-10-11 02:23:15,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:15" (1/1) ... [2021-10-11 02:23:15,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:15,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:15,861 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_74420f25-08a9-443c-aa17-0eaeefe24e6a/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c[14106,14119] [2021-10-11 02:23:15,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:15,906 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 02:23:15,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cf2bd87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:15, skipping insertion in model container [2021-10-11 02:23:15,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:15,908 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:23:15,911 INFO L168 Benchmark]: Toolchain (without parser) took 427.75 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 99.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:15,912 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:15,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.13 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 99.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:15,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 57.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 422.13 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 74.1 MB in the beginning and 99.6 MB in the end (delta: -25.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 272]: 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 02:23:18,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:18,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:18,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:18,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:18,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:18,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:18,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:18,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:18,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:18,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:18,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:18,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:18,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:18,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:18,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:18,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:18,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:18,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:18,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:18,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:18,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:18,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:18,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:18,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:18,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:18,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:18,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:18,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:18,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:18,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:18,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:18,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:18,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:18,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:18,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:18,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:18,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:18,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:18,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:18,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:18,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:23:18,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:18,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:18,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:18,382 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:18,383 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:18,383 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:18,383 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:18,383 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:18,384 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:18,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:18,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:18,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:18,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:18,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:18,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:18,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:18,386 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:18,386 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:23:18,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:23:18,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:18,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:18,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:18,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:18,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:18,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:23:18,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:18,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:18,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:18,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:18,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:18,389 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:23:18,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:23:18,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:18,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:18,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:18,390 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_74420f25-08a9-443c-aa17-0eaeefe24e6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 274cb202d29433d0217a25907d4511df826f0eca [2021-10-11 02:23:18,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:18,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:18,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:18,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:18,810 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:18,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2021-10-11 02:23:18,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/df386fba3/7dcbc28aeef74845936d475ffe0a0635/FLAGd36d4308b [2021-10-11 02:23:19,573 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:19,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c [2021-10-11 02:23:19,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/df386fba3/7dcbc28aeef74845936d475ffe0a0635/FLAGd36d4308b [2021-10-11 02:23:19,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/data/df386fba3/7dcbc28aeef74845936d475ffe0a0635 [2021-10-11 02:23:19,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:19,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:19,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:19,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:19,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:19,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:19" (1/1) ... [2021-10-11 02:23:19,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ccde2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:19, skipping insertion in model container [2021-10-11 02:23:19,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:19" (1/1) ... [2021-10-11 02:23:19,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:19,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:20,192 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_74420f25-08a9-443c-aa17-0eaeefe24e6a/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c[14106,14119] [2021-10-11 02:23:20,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:20,298 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:23:20,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:20,380 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_74420f25-08a9-443c-aa17-0eaeefe24e6a/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c[14106,14119] [2021-10-11 02:23:20,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:20,397 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:20,451 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_74420f25-08a9-443c-aa17-0eaeefe24e6a/sv-benchmarks/c/product-lines/minepump_spec3_product03.cil.c[14106,14119] [2021-10-11 02:23:20,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:20,513 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:20,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20 WrapperNode [2021-10-11 02:23:20,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:20,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:20,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:20,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:20,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:20,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:20,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:20,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:20,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... [2021-10-11 02:23:20,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:20,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:20,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:20,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:20,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 02:23:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:23:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:22,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:22,904 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-10-11 02:23:22,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:22 BoogieIcfgContainer [2021-10-11 02:23:22,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:22,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:22,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:22,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:22,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:19" (1/3) ... [2021-10-11 02:23:22,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6d29ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:22, skipping insertion in model container [2021-10-11 02:23:22,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:20" (2/3) ... [2021-10-11 02:23:22,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6d29ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:22, skipping insertion in model container [2021-10-11 02:23:22,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:22" (3/3) ... [2021-10-11 02:23:22,915 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2021-10-11 02:23:22,929 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:22,933 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:23:22,944 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:23:22,973 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:22,973 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:22,973 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:22,973 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:22,974 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:22,974 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:22,974 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:22,974 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2021-10-11 02:23:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 02:23:23,000 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:23,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:23,002 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:23,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:23,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2021-10-11 02:23:23,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:23,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111523131] [2021-10-11 02:23:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 02:23:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:23,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:23:23,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:23,283 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 02:23:23,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:23,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111523131] [2021-10-11 02:23:23,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:23,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:23,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564675004] [2021-10-11 02:23:23,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:23:23,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:23,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:23:23,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:23:23,305 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2021-10-11 02:23:23,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:23,330 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2021-10-11 02:23:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:23:23,331 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 02:23:23,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:23,341 INFO L225 Difference]: With dead ends: 124 [2021-10-11 02:23:23,341 INFO L226 Difference]: Without dead ends: 61 [2021-10-11 02:23:23,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 02:23:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-10-11 02:23:23,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-10-11 02:23:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2021-10-11 02:23:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2021-10-11 02:23:23,382 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2021-10-11 02:23:23,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:23,382 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2021-10-11 02:23:23,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:23:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2021-10-11 02:23:23,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:23:23,384 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:23,384 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 02:23:23,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:23:23,603 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:23,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:23,604 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2021-10-11 02:23:23,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:23,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635111082] [2021-10-11 02:23:23,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 02:23:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:23,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:23,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:23,853 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 02:23:23,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:23,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635111082] [2021-10-11 02:23:23,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:23,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:23,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359143267] [2021-10-11 02:23:23,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:23,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:23,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:23,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:23,857 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2021-10-11 02:23:23,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:23,868 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2021-10-11 02:23:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:23,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 02:23:23,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:23,870 INFO L225 Difference]: With dead ends: 61 [2021-10-11 02:23:23,870 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 02:23:23,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 02:23:23,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 02:23:23,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 02:23:23,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 02:23:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-11 02:23:23,877 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-11 02:23:23,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:23,877 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-11 02:23:23,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-11 02:23:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:23:23,879 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:23,879 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] [2021-10-11 02:23:24,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:23:24,091 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:24,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:24,092 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2021-10-11 02:23:24,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:24,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540584130] [2021-10-11 02:23:24,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 02:23:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:24,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:23:24,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:24,309 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 02:23:24,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:24,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540584130] [2021-10-11 02:23:24,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:24,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:23:24,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384001465] [2021-10-11 02:23:24,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:23:24,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:24,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:23:24,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:23:24,313 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2021-10-11 02:23:24,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:24,329 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2021-10-11 02:23:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:23:24,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:23:24,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:24,331 INFO L225 Difference]: With dead ends: 81 [2021-10-11 02:23:24,331 INFO L226 Difference]: Without dead ends: 56 [2021-10-11 02:23:24,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 02:23:24,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-10-11 02:23:24,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2021-10-11 02:23:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 02:23:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-11 02:23:24,341 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2021-10-11 02:23:24,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:24,342 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-11 02:23:24,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:23:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-11 02:23:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:23:24,343 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:24,343 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] [2021-10-11 02:23:24,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:23:24,560 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:24,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:24,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2021-10-11 02:23:24,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:24,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443813309] [2021-10-11 02:23:24,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 02:23:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:24,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:23:24,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:24,831 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 02:23:24,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:24,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443813309] [2021-10-11 02:23:24,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:24,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:23:24,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464751652] [2021-10-11 02:23:24,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:23:24,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:24,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:23:24,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:23:24,834 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2021-10-11 02:23:24,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:24,974 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2021-10-11 02:23:24,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:23:24,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:23:24,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:24,977 INFO L225 Difference]: With dead ends: 264 [2021-10-11 02:23:24,977 INFO L226 Difference]: Without dead ends: 218 [2021-10-11 02:23:24,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:24,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-11 02:23:24,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2021-10-11 02:23:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2021-10-11 02:23:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2021-10-11 02:23:24,997 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2021-10-11 02:23:24,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:24,998 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2021-10-11 02:23:24,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:23:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-10-11 02:23:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:23:24,999 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:25,000 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] [2021-10-11 02:23:25,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:25,216 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:25,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:25,216 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2021-10-11 02:23:25,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:25,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717280153] [2021-10-11 02:23:25,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/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 02:23:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:26,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:23:27,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:23:27,757 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:23:27,758 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:23:27,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:23:28,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:28 BoogieIcfgContainer [2021-10-11 02:23:28,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:28,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:28,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:28,101 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:28,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:22" (3/4) ... [2021-10-11 02:23:28,104 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:23:28,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74420f25-08a9-443c-aa17-0eaeefe24e6a/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:28,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:28,228 INFO L168 Benchmark]: Toolchain (without parser) took 8376.62 ms. Allocated memory was 65.0 MB in the beginning and 109.1 MB in the end (delta: 44.0 MB). Free memory was 44.0 MB in the beginning and 88.2 MB in the end (delta: -44.2 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:28,228 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:28,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.16 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 34.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:28,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.86 ms. Allocated memory is still 65.0 MB. Free memory was 34.3 MB in the beginning and 31.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:28,230 INFO L168 Benchmark]: Boogie Preprocessor took 79.12 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 31.7 MB in the beginning and 71.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:28,231 INFO L168 Benchmark]: RCFGBuilder took 2239.91 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 65.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:28,232 INFO L168 Benchmark]: TraceAbstraction took 5192.25 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 65.3 MB in the beginning and 53.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:28,233 INFO L168 Benchmark]: Witness Printer took 125.29 ms. Allocated memory is still 109.1 MB. Free memory was 53.1 MB in the beginning and 88.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:28,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.16 ms. Allocated memory is still 65.0 MB. Free memory was 43.9 MB in the beginning and 34.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.86 ms. Allocated memory is still 65.0 MB. Free memory was 34.3 MB in the beginning and 31.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.12 ms. Allocated memory was 65.0 MB in the beginning and 90.2 MB in the end (delta: 25.2 MB). Free memory was 31.7 MB in the beginning and 71.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2239.91 ms. Allocated memory is still 90.2 MB. Free memory was 71.4 MB in the beginning and 65.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5192.25 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 65.3 MB in the beginning and 53.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. * Witness Printer took 125.29 ms. Allocated memory is still 109.1 MB. Free memory was 53.1 MB in the beginning and 88.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 652]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L121] int pumpRunning = 0; [L122] int systemActive = 1; [L413] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L692] int cleanupTimeShifts = 4; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L765] int retValue_acc ; [L766] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L639] int retValue_acc ; [L642] retValue_acc = 1 [L643] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L59] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] tmp = __VERIFIER_nondet_int() [L67] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L806] COND TRUE waterLevel < 2 [L807] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L129] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L659] int tmp ; [L660] int tmp___0 ; [L661] int tmp___1 ; [L827] int retValue_acc ; [L830] retValue_acc = methaneLevelCritical [L831] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L665] tmp = isMethaneLevelCritical() [L667] COND FALSE !(\read(tmp)) [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L671] tmp___0 = getWaterLevel() [L673] COND TRUE tmp___0 == 2 [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L675] tmp___1 = isPumpRunning() [L677] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L652] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 219 SDslu, 197 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 4871 SizeOfPredicates, 4 NumberOfNonLiveVariables, 789 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...